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A cause for controversial concern is aimed at individual vocals. Some a product of myth or bias, the Vocaloid can be misjudged by large audiences if misconception or opinion is taken too heavily as fact.

QualityEdit

The quality of a Vocaloid is complex to determine and is affected by a number of factors, both which can be regarded and disregarded at a user's pleasure.

What is a "High Quality" result?Edit

It is important to remember that VOCALOID itself was designed to be used by professionals; as a result, even the lowest quality vocal is considered by synthesizer standards to be a HQ product. The engine itself, however, can have impact on the vocal, and not all vocalists are suitable for the engine, as Gackt was warned when he made his first recordings.[1]

The following are a few (but not all) examples of possible contributors to quality:

  • Style: For example Prima was built for opera, and when used to sing in that genre will excel over a Vocaloid not built with this style in mind. This means Prima produces, for her purpose, a high quality result. Using her for soul, rock and a number of other genres of music far from the opera style would produce a much lower quality vocal as she does not have the capabilities required for that genre. Niche vocals commonly have this same problem but they are often regarded as some of the highest quality vocals and will out class most other Vocaloids attempting the same vocal style, but they have a limited effectiveness outside of that genre. Other examples of such a vocal is Sachiko who is best suited for Enka or Yuzuki Yukari who is better for slow singing styles and has issues with faster ones.
  • Vocalist: professional vocalists often produce higher quality results than voice actors (with exceptions). For example, Gackt would be able to give samples with more confidence than an amateur singer such as Haruna Ikezawa. This is due to issues such as their training or experience singing, which affect their capability to match pitch, tone or sound.
  • Version: The original VOCALOID engine is more limited than later versions of the software. Its vocal range capabilities were smaller and it had a larger amount of digital noise. the original KAITO vocal results of lower technical quality than the KAITO V3 package. The same is true of Megpoid and V3 Megpoid - Native, wherein the "Native" V3 update is much higher quality than the original Megpoid vocal. Updates to the engine add new functions, as well as often improving existing ones. Older vocals may not have access to them, even if they are imported into the newer engine. This is not to say that a vocal does not experience any difference once imported into a newer engine; VOCALOID2 vocals imported into VOCALOID3 displayed a large quality jump, though some experienced errors they did not possess before, such as Sonika.
  • Script: prior to VOCALOID4, problems with English vocals were reported. This is owed to the fact the standard English script produced in the pre-VOCALOID, contained errors. This was the script sold with every Vocaloid Dev Kit up until VOCALOID3, therefore every English vocal produced using this script was sold with certain errors built in. Both Ruby and Cyber Diva were created using different scripts, both intended to improve on the standard English script offered by Yamaha with the Dev Kit.
  • Pitch: pitch layering also adds to the quality of the product by giving a strong voice to build the vocal upon. The layers of pitching are divided into at least two known types: stationary and articulation. The number of pitches per vocal varies; Maika has six pitch layers in total, whereas other Vocaloids have only two. The way the pitches affect the performance and quality of a voicebank is related to the synthesis engine itself, and the mathematical interpolation and extrapolation processes used to reconstitute the full range of the voice. In theory, with more pitch layers, the voicebank should behave more closely to its voice provider, although doing this also increases the filesize and computational resources needed for the voicebank. Studios may not do this as well as it can extend development time and at times cost more to produce due to the vocalist having to be in the studio longer to record and due to the extra work load. Most English Vocaloids pre-VOCALOID4 were confirmed to have only two layers of articulation, the total layers of pitching for Yohioloid was confirmed to be 3.5. In addition to the number of layers, it is important to note that a Vocaloid will end up sounding off pitch if just one of these layers is incorrect, in the same way an incorrect data input of just one variable can deviante the whole result of a regression model. A known example is Lily's VOCALOID2 vocal, which had one of her pitch layers too high. As a result, Lily's VOCALOID2 voice was entirely off pitch. This was later corrected with V3 Lily.[2]
  • Phonetic data: in addition to what sounds are recorded via the script, which phonetics are constructed for the voicebank are also a factor. Phonetic data is recorded when the vocalist reads their respective language's script, but some advanced samples may have to be constructed by merging two or more samples together. Compared to pitch, these do not have an impact on the entirety of the voice, but do have an impact on constructed words. The construct samples are normally the "diaphonetic" and "triphonetic" samples. Prior to VOCALOID3, only diaphonetic data was included in vocals and the engine did not factor in triphonetic sounds. These were introduced in VOCALOID3 and resulted in a higher quality voicebank, because they smoothed out the vocal results. This became a major factor in why there was a quality leap in VOCALOID3 vocals over VOCALOID2 ones. As noted by Internet co., Ltd, however, an increased amount of them does not necessarily result in a higher quality vocal. Triphonetic data does not always require new recordings and it is possible to construct them with previous recordings.

Not a Quality issue?Edit

It is important to note that certain aspects are not a result of the vocaloid's quality. Unfortunately, quality myths among the fans or users and have been known to cost a vocaloid sales. These include:

  • No matter how good the Vocaloid is, if the user doesn't know how to use the vocal well, the results will be low quality. Likewise, an extremely skilled user can make a Vocaloid sound higher quality than it is. Therefore it is not always easy to judge a Vocaloid only by being based on songs that producers have produced in the past. This has been a common mistake made by fans listening to VOCALOID music. This is especially vital for vocals mentioned in style as these most commonly produce low quality results when they are used incorrectly.
  • If the user tries to make the Vocaloid do something it wasn't built for, this reduces the quality of the vocal track. This is mentioned in Style, but also applies to things that are outside VOCALOID's domain, such as basic speech or forcing a Vocaloid to sing in a language it wasn't built for (particularly if there is a large phonetic difference between the two).
    • In addition, despite things such as optimum Tempo or range, this doesn't also stop a producer venturing out of these ranges. For example Utatane Piko is not a lower pitched male vocal, his lower ranges are considered more lower quality. Yet, there are some who like this lower result despite quality loss, even with other vocaloids like VY2 who could do the same song better. This is attempted by producers of any skill levels.
  • In addition, even though the user may enjoy the way a Vocaloid sounds, this does not always mean the Vocaloid is high in quality. Appeal falls purely down to an individual's opinion/taste, and many enjoy the robotic sound of low technical quality. The Kagamine Vocaloids are a notable example VOCALOID2 vocals with quality issues. These vary between the poor "Act1" package to the high quality "Append". Despite these problems, they remain very popular, with many fans that enjoy their quirks.
  • See also "Languages".

How important is it?Edit

Regardless of all these factors, lack of technical "quality" does not always mean a Vocaloid is more useful or reliable than it's more technically advanced competitors. For example, out of Hatsune Miku and Gumi's Megpoid vocal, Gumi is actually the higher quality singer and outclasses Miku. However, Miku gained a reputation for her ease of use despite being one of the lowest quality VOCALOID2 vocals and had the ability to morph her vocal into a variety or ways to sound differently and was the most adaptable vocal prior to SF-A2 miki was released. Gumi, however, had a reputation for resisting change and was a hard vocal to get to break into other tones, with her quality being impacted when you did managed to successfully do that. To add to this she was harder to use.

In addition, compatibility with the engine version can also render a vocal able to excel in unexpected ways. Despite its lower quality, the original Kaito product was very flexible within the VOCALOID1 engine, allowing it to excel despite being lower quality than KAITO V3.[3]

Quality, either way is just one of many factors to take into account and may not be the most important of all. While not Vocaloid, a classic example of lower quality vocals versus higher is exampled by software Chipspeech. Chipspeech is considered as a HQ product but its vocals are based on dated pre-2000s technology which produces a vintage sound result, imitating low quality sound, compared to many of the modern vocal synthesizers. These vocals are often still sought after despite being LQ because of their robotic slurs, crunchy sounds and broken phonematic constructions give unique results that producers of music can use to recreate effects, atmosphere and other needed sounds, thus booming sounds and static pronunciations are easy to produce. If one compared Otto Mozer to a Vocaloid vocal like Kaito then they may feel uncomfortable lisening to Otto Mozer in contrast to Kaito simply based on his deep, booming and otherwise inhuman vocal. But this may be just the sound someone wants for a menacing or unsettling song, as Otto Mozer can do this particular sound without work. However, Kaito may need serious manipulation to do the same effect. The vocals are provided as a tool, as means to an end; but not every tool can fit within the end criteria.

LanguagesEdit

One of the oldest controversies in Vocaloid stems from the language the Vocaloid sings. Some fans report adoring or disliking Vocaloids based on how this fact alone. This can be because they feel certain languages have more appeal, or because they are native speakers. The result is that entire sections of the Vocaloid library of voicebanks have been ignored due to their language. Some of it is linked to issues expressed in VOCALOID and politics while others are independently forms reasons.

As mentioned previously in "Quality", this has spawned many myths. The story of why these myths exist is not short. The scale has been quite wide and has been witnessed by editors at the Vocaloid wiki since 2009, as well as reported by fans outside of the wiki who have also witnessed it. So some of the following comes from first hand experience of fans and editors from sites such as Vocaloid Otaku forums, YouTube, etc.

English VocaloidEdit

The issue with languages began in VOCALOID2. During the VOCALOID2 era, the franchise became popular due to Hatsune Miku's fame. Vocaloid became associated with Japanese culture, and due to the overwhelming popularity of Miku, the focus shifted away from the previously English Vocaloids who had seen an overall successful run with their only failures being their impact in America. Despite having more vocals released for the English version at the time of her release, and having done well for themselves, Miku was a record breaking vocal selling an unprecedented amount of units. This was never beaten by future Vocaloids from Japan, but the next few releases benefited from her popularity. Her success also resulted in the VOCALOID vocals Meiko and Kaito being "forgotten".

By the time fans became aware of there being other Vocaloids beside Miku, Rin and Len, their popularity already dominated the community. Though Meiko and Kaito were able to find their place with the growing Japanese fanbase during 2008[4], it was also discovered there was an entire category of Vocaloids most Japanese fans didn't know existed, namely the English vocaloids, which they dubbed "the Engloids". However, there was only a few able to use the English vocals due to the language barrier, preventing high level usage in Japan and "Engloids" became a selective interest among its fans. Even in the West, most English speaking fans were not aware that English speaking Vocaloids existed, due to Miku's overwhelming presence until roughly a year later in 2009 when Megurine Luka became the first Japanese vocal with an English voicebank. This brought English vocaloid to attention both in Japan and overseas.

When finally the English vocals began to receive interest again in 2009, there was a mixed reaction. Since Western fans had never been able to "hear" what Vocaloid's pronunciation sounded like due to the language barrier, their was some shock at English Vocaloid's unnatural nuances. Often they were branded as "low quality" when compared to the Japanese vocaloids, despite most fans not being bilingual or able to compare the two languages and therefore lacking the knowledge to know if this was true or not. The majority of the VOCALOID and VOCALOID2 English vocals were of standard or better with only two voicebanks at the time of 2009 being in a position to be called "Low Quality"; SONiKA and Megurine Luka English. For example, Sweet Ann and Prima produced high quality singing results, and were voiced by professional singers in the music industry, compared to Hatsune Miku or Kagamine Rin and Len who were voiced by voice actresses and therefore being amateur singers at best. The early Japanese VOCALOID2 vocals were often lower quality then the later VOCALOID2 that came post 2009 and vocals such as Gackpoid or Megpoid were noted for their background nuances.[5]

Some myths about English Vocaloids, actually were true, as it was known that the English Vocaloid script did contain errors[6] that the Japanese Vocaloid script did not, the Japanese script had also been corrected several times as far back as Hatsune Miku's development.[7] However, English vocals were developed with an incorrect script sold by Yamaha with the English language Dev Kit that was not corrected until 2010 and was not instantly made available upon doing so in addition. English is also a far more complex language to synthesise, making it much more difficult for programmers to produce natural sounding results and the sheer size of the voicebank (being 5x the size of a Japanese one) means quality checks are often harder to make and take longer since every combination possible has to be examined.

Japanese fans of English Vocaloids expressed different opinions. For example, Tonio was praised for having a "beautiful" voice by Japanese speaking fans[8], whereas some Westerners felt his voice was "ugly" due to its deepness. Japanese producers did not hear the same clarity issues with voices such as Big Al or Sweet Ann and felt both were fairly clear. At the same time, some Western fans felt that all English Vocaloids were unclear. Equally, the prevalence of subtitles in Japanese Vocaloid songs was a result of Japanese speakers having trouble understanding the Vocaloids in their native language and is still cited as the reason many Music videos have subtitles with the lyrics of the song repeated on them. Years later when Kizuna Akari was released it was confirmed that VOCALOID produced weak consonants in general[9], consonants often are a large contributor to the clarity of synthesizing vocals.

In the case of Megurine Luka's VOCALOID2 voice, owed to Luka English going on sale with sounds missing and had limited words she could form[10], there was an issues in the English voice and it was low quality even compared to some other English vocals. Some fans felt that the Japanese Luka vocal was better at producing English results than Luka English, although this was phonetically untrue. The lack of these sounds mostly impacted the precision of the language and did not limit her ability to sing in English. A lot of this had to do with the slightly sharper sounding results of the sounds of the Japanese vocals. Since Japanese has far less need for blending, it made her appear clear against her smoother, softer English vocal with its missing sounds, even though it encountered problems with using the Japanese voicebank for English and the sounds produced by the Japanese vocals were neither as smoother nor as precise as many considered them to be.

This is not isolated to just English Vocaloids and has since been expanded upon to the other non-Japanese vocaloids. However, the English version was most criticized amongst English fans. The English language itself also has a reputation for being one of the most difficult to recreate in synthesizers due to its lack of distinction per sound, resulting in a great deal of variation and complexity.[11] For instance, it is possible to find a voice unintelligible for its accent alone if the listener is not used to it.

The Addition of new languages in VOCALOID3Edit

As other Vocaloid languages entered the market with VOCALOID3, users began to be able to hear some of the problems repeated in other languages that plagued Japanese and English, as simple factors such as the VOCALOID engine noise were heard across all versions. The attitude improved to non-Japanese vocaloids thanks to the introduction of 3 new languages. The new languages in turn contributed in addition to the attitude to English vocals, Vocaloids like Oliver and Avanna gained popularity and many Japanese vocals like Gumi and Miku were given English voicebanks. By VOCALOID4, the overall approach many fans had toward non-Japanese Vocaloids which much more positive overall. However, there is still a great reluctance towards Vocaloids in non-Japanese languages.

A large majority of Western fans who are interested in vocaloid are also fans of manga and anime, so the Japanese vocaloids often appeal more to them. As a result, any Vocaloid not from Japan risks gets being subjected to bias regardless of what language they sing by the fans who came into Vocaloid from anime and manga. Other languages have been forced to adopt more anime-esque designs to appeal to the fans, such as Zero-G and PowerFX vocaloids, or even Bruno and Clara due to their initial reactions. However, this can be counterproductive as the most common consumers of Vocaloid sales are producers such as EDM musicians, to which such designs aren't necessarily appealing.

Bias towards languages is also brought up in regards to Spanish vocals. Since you can get a "decent" level of Spanish from Japanese vocals in contrast to making them sing English, some Spanish fans did not see the point of Spanish vocals being produced. In contrast to the structural gap between English and Japanese, using Japanese vocals for Spanish is much easier, due to similarities in basic word construction. However, using a Spanish voicebank for Spanish produces better results than using a Japanese one.

The reactions are not always straight forward and can be political based (see again VOCALOID and politics). Of the bias towards Luo Tianyi is that because she uses Japanese technology instead of Chinese, some reported feel she is not supportive of China, so despite being Chinese she received criticism because of it.[12] SeeU was also a victim partly of politics being Korea and Japan. Despite this, it was later reported in December 2018 by VOCALOID LINK that the Chinese vocaloids were as popular overall as the Japanese ones, though not all had seen instant success.[13]

One of the issues with languages is that there can a tendency to treat or think of Vocaloid language development as though they are a separate engine to each other. At times you will see references to the to the "Spanish Vocaloid version" of the engine for example. This gives the impression at times that each language has its own separate engine. In reality, they all used a shared engine, both voicebanks and interface are separate aspects of Vocaloid. The engine looks up each individual Vocaloid with their own details and then pulls data from their plug-in details.

There is also the note that there is no real unified version of each language and while all Vocaloids are created from a Yamaha Dev Kit, studios tweak things to their own needs. Even within VOCALOID2, there was know to be several versions of the Japanese script; the original script, Hatsune Miku's, Internet co's and the VY series. So in this case there was at least 4 versions of "Japanese" in VOCALOID2. The Kagamine Rin/Len act2 and VY1 vocals also saw their "Vocaloid library database plug-in" (shortened to "voicebank") overhauled for improvements adding further to this. Each change made impacts the Vocaloid and its ability to recreate its intended language in a different way and some are better or worst changes for different reasons. These changes are not always shared among Vocaloid studios and each studio has its own workings that it uses for creating a language. For this reasons at times voicebanks in reality are not a unified development entirely and only major overall developments such as the addition of triphones in VOCALOID3 see any universal change within a language. So there can be dozens of variants on a language for this reason, yet habit leads all to be grouped together regardless of their differences even though within each language things such as clarity or realism can be very different between two voicebanks of a similar nature.

The engine can be changed for this reason and impact all vocaloid. To create a different engine for each language would not be cost effective and Vocaloid is designed so its various elements can be replaced, such as the user interface, without this having greater implication on the overall engine.

RealismEdit

There is an ongoing debate regarding the realism of VOCALOID vocals. As mentioned previously in Singing vocal clones, one of the earliest controversies associated with VOCALOID was their potential to replace voice providers. Companies such as Crypton Future Media have deliberately avoided realistic recreations of their voice providers for this reason. "Realism" has become a subject of discussion among producers and fans alike.

The main points of contention with "realism" result from subjectivity - each listener judges realism with different criteria in mind, leading to differences in opinion.

Recreating the Human VoiceEdit

As mentioned in Languages, it has often been incorrectly quoted by fans that there is an "English VOCALOID engine", or a "Japanese VOCALOID engine", etc. The idea that certain languages are less realistic is quite controversial among fans, as it has been used to dismiss large areas of VOCALOID as "less realistic"; the reasons behind this are highlighted in Languages. In reality, all languages are built upon a shared engine and given the right circumstances, it is just as capable of producing the same amount of realism in all languages it can recreate. Deficiencies in realism are typically caused by the assets used with the engine and the resources they used.

One simple example of this is seen in voicebanks based on languages with a larger array of samples to draw from, such as Spanish and English languages. Claims by western fans from 2010 stated that these larger languages can be less realistic than smaller ones such as Japanese. However, in reality they can actually end up being more realistic than the smaller ones. This is simply because of how much variation across the samples can occur, for example in English the diaphonetic sound of "ma" varies according to what came before or after it, or if it was the beginning of a word or its end. An example of this is "Mathematics" (written in IPS symbols as "maθ(ə)ˈmatɪks") demonstrating that as it contains two examples of "ma" in use; one at the beginning and one in the middle. For VOCALOID, recreating this word needs both variations or it cannot correctly sound out "Mathematics". In Japanese, "Ma" can remain unaffected and the same throughout a song, so "ma" often will remain identical at times even if it is the start, middle or end of a word, what came before it or what came after it. So there simply is no need for that many sample variations of "ma" to be recorded, the by-product is less variation and in turn less realism. In real life, it is almost impossible for a speaker to say "ma" the exact sample way every time, so the amount of sound variation in samples help VOCALOIDs mimic a real vocalist much closer, drawing close to "the uncanny valley" effect.

The smaller language based VOCALOIDs can easily get around the issue with variation per voicebank by simply adding more voicebanks to a release. A change of expression can lead to a more realistic result, mimicking a human changing expression in a song.

A by-product of less precise languages such as English, as they require the blending of sounds, leads to a clarity loss. In the case of English, it is almost impossible to get precise sounds as English offers much less of them. Clarity of sound can often be considered a subject of how realistic a vocal is, though this is more subjective as real singers also have variation on clarity depending on a number of factors, such as singing style. The inability to actually hear a VOCALOID can contribute to the inability to tell how realistic they are, the lack of precision of sounds can also be seen as a lack of ability to recreate language to a degree enough for actual speaker to understand. In turn impact the idea of how realistic that VOCALOID is compared to a real singer who can speak more clearly and precise. This is harder on languages like English as their large amount of samples make it harder to check every combination, thus they are more prone to suffer from this especially.[14][15] This contributes to why there is some controversy in regards to realism and languages among producers and fans. Some of the lost realism via clarity is instead regained by expression due to increased softness and softer vocals, as seen with Yuzuki Yukari can have more expression, though success of this will depend on the smoothness of sample transition. "Queen of the Night" from Mozart's opera The Magic Flute had been made in 1984 by Yves Potard and Xavier Rodet using the CHANT synthesizer. This contained no tangible words at all, yet was considered at the time the most realistic portrayal of the human voice.[7] This is largely to the expression the synthetic vocal displayed within the song being close to the expression of the human vocal.

A change of how a database is set up can also improve languages as was demonstrated by VY1 and later repeated with Cyber Diva. So an entire language's ability to sound realistic can jump with a single development going forward and realism can be lost or gained in any direction depending on what type of new development has occurred. For example, until VOCALOID4, it was favoured that Japanese VOCALOIDs be recorded for ease of use for music; from VOCALOID4 onwards it was traits of the singer. This impacted the VOCALOID's chance from this point onwards to more closely mimic their providers, however the cost was making the Vocaloids harder to use.[16]

Voice acting/Character PortrayalsEdit

The merits of voice acting versus recording the provider's natural singing is also a common subject of debate on realism. There are already a few examples of VOCALOIDs that use both approaches; IA (natural tone) and IA ROCKS (voice acted), Tone Rion V4 (voice acted) and Yumemi Nemu (natural tone), Galaco "Red" (natural tone) and "blue" (voice acted), Fukase "Normal" (natural tone) and "Soft" (voice acted), Yuzuki Yukari V4's "Jun" (natural tone) and her two extra vocals "Onn" and "Lin" (both are examples of voice acting). Therefore, without each version of VOCALOID lies a variable amount of realism across all voicebanks naturally even within the languages and among each voicebank itself.

The subject of debate also extends to the portrayal of VOCALOIDs as characters and how they match their voice providers voice. For example, Kagamine Len is male, but was voiced by a female voice actress. For this reason one of the notable traits of both Act1 and Kagamine Rin/Len V4 English voicebanks for his character is that at times they produce results that are notable to sound "feminine" instead of "masculine". It was also noted that only true male vocals were referenced when producing VY2, as both Len and Ryuto were voiced by females, they could not produce satisifactory masculine results at all and were not taken into account for VY2's production. Another similar idea, Otomachi Una could be said to perhaps not be a good portrayal of her characters, since she was voiced by an adult and her character is 11 years old. In comparison to Oliver or Kaai Yuki, both child vocals, Una can sometimes fail to match the softness that comes with a child vocalist. The clause for concern in such cases is simply that when pitched a better representation of each case, the more realistic portrayals, they don't fairly match.

"Realism" shares similar problems to the term quality, as mentioned in pitch, if a layer is off it impacts the quality and realism of the vocal, making a VOCALOID intention to sound like the provider fail to do so. Poor quality often leads to a dip in realism in addition. Tonio is capable of sounding distinctly like his provider, leading to a notably realistic result. For comparison, the sample package "Classic vocal", also released by Zero-G, offers a chance to hear the provider in his raw singing state. However, at the same time, while the traits of the provider are clearly heard within the software, there are many technical issues with the voicebank library which can degrade the quality and impact the realism of the result. This leads to Tonio being comparable to one of the most realistic or one of the least realistic VOCALOID2 vocals, depending on the example of usage.

Realism as a goal?Edit

Realism is also not always the sought after result and songs like Secret, Sad Machine and Appetite of a People-Pleaser are examples of songs wherein realism isn't the goal of the vocal as the VOCALOIDs don't sound like they usually do.

Realism is also not always a favoured trait of a VOCALOID for producers, as seen with Prima. Despite being one of VOCALOID2s more realistic vocals, she can be harder to use because she is locked into an opera style. So a producer may favour using a easier English vocal over her for a song despite it possibly being less realistic. This was also seen for Hatsune Miku's VOCALOID2: it was able to compete with the more realistic vocals of late VOCALOID2 such as VY1, despite one of its hold backs being it was less realistic than VY1.

Producers of past Vocal synthesizer that existed in pre-2000 did not have access to more realistic vocals. Yet still made music with them such as the song "Stakker Humanoid" which took samples based on the TSI S14001A Vocal synthesizer chip. One of the reasons the software "Chipspeech" can find its appeal is because of producers still seeking unique sounds for music. This theory also is demonstrated with some UTAU voicebanks that record sounds such as animals over human vocals. So while VOCALOID strives to achieve realism[17], it is not always what producers want. When speaking about Chipspeech, Plogue noted a mono-layered vocal was used for flexibility and a huge vocal range in the case of several vocals.[18] Multiple layers improve realism, but limit flexibility and range. As previously, an example with "Otto Mozer versus Kaito" in Quality VOCALOID has issues with providing certain unique and completely inorganic sounds due to its attempt to mimic realism.

Sometimes VOCALOID's attempt to be realistic can be its hinderance.

Sound capabilitiesEdit

Studios are not without fault and sometimes have made claims about their products, which often are true, are not always as good as they seem.

One VOCALOID who was a subject to controversy claims was SeeU. In the early VOCALOID3 demos, SBS Artech claimed you could use SeeU's voicebank to create English, even though it was set up for Korean and had no support for using it to make English. They even went so far as to label her a "trilingual" VOCALOID, even though with only two voicebanks she was bilingual. Upon inspection of the voicebank, some producers discovered that SeeU had several English phonemes that were not needed for Korean and SBS were again heavily criticised for both the claim inclusion of phonetics SeeU didn't need. Inclusion of unneeded phonetics is nothing new as every English VOCALOID2 after Prima's release (with the exception of Luka) was given the rolling "r" phonetic data "r" because Prima couldn't do opera without it. Despite this, this led to jokes about SeeU being made for "Konglish" rather than "Korean" and as of note, criticism for the focus on her English capabilities against the Japanese capabilities she was given thanks to an additional Japanese voicebank.

Eventually SBS Artech addressed the language issue by confirming that they would make an English voicebank and stated the reason for the past claims was they wanted to release her with an English voicebank but also wanted to meet the VOCALOID3 release. In the end they did not have time to make a English voicebank and included the phonetic data to allow SeeU to create English as most sounds for English were already in the Korean language. Despite this, as many pointed out, the way the language is structured and the fact she is largely not smooth results in English that is either choppy/broken or odd sounding thanks to a Korean accent. They then confirmed an English voicebank that will allow her to fully do English.[19]

SeeU was not the only vocaloid to be criticized for this. SONiKA was also noted for having a remark about with editing how she can be made to sing other languages. This is true for any Vocaloid vocal, though she was criticized for having it on her product page when no other Vocaloid had mentioned this at all.

Due to a custom dictionary, MAIKA was released with the 16 sounds missing from Spanish that would allow her to sing in Catalan. However, these allowed her to also sing more closely to other languages such as English, Portuguese and Japanese. However, she will not sound like a native speaker.[20]

There has been some noticeable concerns with the information on Megurine Luka ad the Kagamines from the Mikunopolis website which was written based on their VOCALOID2 releases;

  • On the Mikunopolis website Luka's profile contains the statement; "In the past, creating songs with English lyrics had always been somewhat awkward, but Luka is able to sing both in Japanese, English or a mix of the two - a worldwide virtual singer". While it is true it had always been awkward to use a Japanese VOCALOID for English, there had always existed native English capable VOCALOIDs so the English language had always been easy to access.
  • As mentioned on Luka's product page, she has a number of issues with her English voicebank that leave some English speakers questioning her English capabilities overall. So ironically while she had the best English level of any Japanese based VOCALOID at the time of her release, just how much lack of awkwardness there is to her vocal results is questionable.
  • Luka was aimed at the Japanese speaking market and was originally not intended to be a world wide release (hence the lack of an English interface).[21]
  • "The Kagamine twins are well known for their very clear and precise vocals". Considering their history of lack of clarity and/or pronunciation problems, as well as Act 2 of the software missing a pronunciation entirely, this is a little bit of an exaggeration on the webhost's part. Also the statement, "Just with a few tweaks here and there they could sing almost any other genres as well," is somewhat questionable due to their reputation of requiring previous experience to use and often at times needing more than just a few tweaks to make them work.[21]

Demo songsEdit

Both GUMI and MAYU had a song where they sung in "English" using their voicebanks ("Fly Me to the Moon" and "Dreamin'", respectively). Except, both were using a Japanese voicebank to sing in English. The original "Fly Me to the Moon" demonstration was more welcomed with Megpoid than the second version done for her V3 update. Back then, many fans were interested by her more accurate English pronunciations than past Japanese VOCALOIDs, as a common western practice was to use Japanese VOCALOIDs for English because some fans preferred their vocals over what the English vocals offered. However, by the second time the demo appeared it was questioned why Internet Co. was persisting with the same demo song when it's also possible to do a version with Japanese lyrics. For MAYU's demonstration, English fans have also complained that they can barely understand MAYU's "English".

A similar prospect can also be said for English VOCALOIDs who have been used for demonstrations in other languages, such as what was seen in demos for Prima and Tonio.

Some argue that showing a demo with the VOCALOID being forced to sing in a language they were not designed for is a bad demonstration of the VOCALOIDs capabilities, since it can generate a wrong impression of the real strengths and weakness of the voicebank, either making a voicebank appear more flexible than it is in reality. It can end up showing some flaws that aren't present in its original language as the voice is pushed away from its natural "safe zone". This wrong impression can be worse if the listener isn't a native speaker, or at least someone with a deep knowledge of that language.

This is particularly notable as the producer of the song must be adapt with phoneme adaptations enough to manipulate the vocal to mimic another language. Demo makers such as Giuseppe have been known to be able to make Vocaloids sing in several languages they were not built for.

Other issues fall upon the tuning of the vocal. In regards to demos created by producers such as Cillia, the way they tune their vocals results in an unnatural portrayal of the vocal. It is not always possible to hear the VOCALOID's true traits for this reason. Other producers have a habit of using the wrong pitch as was heard in a few of Lily's V2 demos because producers are accustomed to using other vocals like Hatsune Miku.

Petitions and their impactEdit

galaco was first referred to as a VOCALOID when the VOCALOID Shop's competition for VOCALOID3 voicebanks was launched. Anyone who met the requirements to "win" her was issued an expiring code when the competition ended. The activation code for galaco originally expired on January 31, 2013. Throughout October 2013, re-issues of her codes were made, however, it was impossible for those behind her to release a non-expiring code. The vocal finally expired on October 31, 2013 and galaco NEO was released in August 2014 to replace the vocal. Throughout the ordeal, the team behind her were working to release an official version.[22]

Panicking overseas fans started a petition during the events to prevent "the deletion of Galaco". By the end of the petition's lifespan, it had gained over 9,000 signatures.[23] When galaco NEO released, some of those who took part of the petition celebrated their efforts to "save galaco" even though the petition had no impact on its development at all. Furthermore, the petition was mostly signed by overseas fans and not by the Japanese fans, who were the target market.

So far in the entire history of VOCALOID, no petition had ever successfully impacted VOCALOID development or led to one being developed as a result of a petition. In cases such as galaco, the petition gathered mostly panic-stricken fans who didn't know much about the situation and signed because they feared galaco was to be permanently deactivated and were unaware of a replacement in the works. However, petitions don't always get any attention at all. When LEON, LOLA, and MIRIAM were being retired, fans created petitions for them to be updated, however, these petitions struggled to get even 150 signatures in comparison to galaco's. The reasons for this is the result of bias in favour of Japanese VOCALOIDs over English ones as mentioned in the languages section.[24]

ReferencesEdit

  1. http://www.ssw.co.jp/products/vocal/gackpoid/infomation/episode1.html
  2. https://twitter.com/noboru1963/status/175960562545602560
  3. https://twitter.com/vocaloid_cv_cfm/status/17812817511976960
  4. http://vocaloid.blog120.fc2.com/blog-entry-15045.html
  5. Taken from notes Nico Nico Pedia
  6. "Developer's Interview" halfway down the page
  7. 7.0 7.1 http://www.redbullmusicacademy.com/magazine/vocaloid-feature
  8. link
  9. link
  10. here
  11. http://vocaloid.blog120.fc2.com/blog-entry-16739.html
  12. http://www.globaltimes.cn/content/1079180.shtml
  13. VOCALOID LINK website
  14. Comments on Megpoid English and the 5x size making production much harder
  15. Wat commenting on the difficulty with making English voicebanks
  16. link
  17. http://vocaloid-fanclub.deviantart.com/journal/AH-Software-Stream-details-VOCALOID5-Plans-516495989
  18. [1]
  19. http://sbsat.co.kr/event_2012/sub_seeu.asp?m=s&bs_code=event_03&vmode=view&page=&b_idx=238&keyword_option=&keyword=&
  20. https://pbs.twimg.com/media/BZ6E76HCIAAlplK.jpg:large
  21. 21.0 21.1 http://mikunopolis.com/post/en/28/Character+Profiles.html
  22. http://www.vocaloidism.com/yamaha-panel-at-niconico-chokaigi-2/
  23. https://www.change.org/p/don-t-kill-galaco-stop-the-galaco-s-desactivation
  24. https://www.change.org/p/zero-g-limited-bring-back-leon-and-make-a-v3

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