Vocaloid 2

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Vocaloid 2
Development status Not supported
Operating system Microsoft Windows
Available in English and Japanese
Type Vocal Synthesizer Application
License Proprietary

Vocaloid 2 is a singing voice synthesizer and successor to Vocaloid in the Vocaloid series. It gained unexpected success and cultural impact following its release.

History[edit]

Screenshot of the software interface for Vocaloid 2

Vocaloid 2 was announced in 2007. Unlike the first engine, Vocaloid 2 based its results on vocal samples, rather than analysis of the human voice.[1] Due to time constraints, unlike the previous engine version, it did not have a public beta test and instead the software was updated as users reported issues with it.[2] The synthesis engine and the user interface were completely revamped, with Japanese Vocaloids possessing a Japanese interface.[3] New features such as note auditioning, transparent control track, toggling between playback and rendering, and expression control were implemented.[4] One's breath noise and husky voice can be recorded into the library to make realistic sounds.[5] This version is not backward compatible and its editor cannot load a library built for the previous version. Aside from the PC software, NetVocaloid services are offered. Despite this, the software was not localized and Vocaloids of either English or Japanese would only possess that language version, so although Megurine Luka had an English library included, as a Japanese Vocaloid she only had access to the Japanese version of the software. In total, there were 17 packages produced for Vocaloid 2 in the Japanese version of the software and five in the English version; these packages offered 35 voicebanks between them in either English or Japanese.

Yamaha announced a version of the Vocaloid 2 software for the iPhone and iPad, which exhibited at the Y2 Autumn 2010 Digital Content Expo in Japan.[6][7] Later, this version of the software was released using the voice of Yamaha's own Vocaloid called VY1.[8][9] These products were launched as iVocaloid and i-Vocaloid, though the latter was later renamed to VocaloWitter.

The Hatsune Miku product in particular went on to win several awards including;

  • She was nominated for and won an award in the "All About" awards of 2007.[10][11]
  • Crypton Future Media picked up an BCN award in 2008 for their productions, with their sales reaching a 211% increase thanks to several products (One of which being Hatsune Miku).[12]
  • In March 2008, Hatsune Miku won the "Digital Content" AMD award.[13]
  • In June, she picked up the 2008 MM Research Institute award.[14]
  • At the DaiKon7 in August 2008, she received another award.[15]
  • She was awarded the "Good Design Award 2008".[16]
  • She won the Grand Prize at the BCN AWARD 2009.[17]

Products[edit]

Sweet Ann[edit]

Released by PowerFX, Sweet Ann was released on June 29, 2007 as the first vocal for Vocaloid 2, she was sold as "Space lounge vocal sensation".[18][19]

Sweet Ann's most notable use was in the anime Nichijou.

Hatsune Miku[edit]

Main article: Hatsune Miku

Released on August 31, 2007 as the first of the "Character Voice Series", her codename was "CV01" and she was designed to sound cute. She was the first vocal not based on a professional singer results and based on the voice of Saki Fujita.[20] She was the first vocal to be developed and distributed by Crypton Future Media and sung in Japanese. Her instant success is owed to Vocaloid being a cultural hit in Japan and she reportedly sold 40,000 units by July 2008, selling on average 300 units a week.[21] By Jan 2011, she had sold 60,000 units.[22] Due to the success of the product, a later expansion pack was released on April 30, 2010 called "Hatsune Miku append" which added 6 new voices ("dark", "soft", "solid", "light", "vivid" and "sweet") for the Miku vocal.[23]

Kagamine Rin/Len[edit]

Released on December 27, 2007, Kagamine Rin and Len were a pair of Japanese vocals based on the voice of Asami Shimoda and codenamed "CV02", being the second package for the Character Voice series.[24] They were created to be a male and female pair of vocals that could fulfill a variety of roles within music. They did not fair as well as Hatsune Miku before them, selling 20,000 units by July 2008.[21] Due to numerous complaints about the quality of their vocals in comparison to the Hatsune Miku vocal, a second package called "Act2" was released to replaced the ioriginal Kagamine Rin/Len voice on July 18, 2008.[25][26] Like the Hatsune Miku vocal, they too received an expansion pack titled "Kagamine Rin/Len Append", adding 3 voices each for Rin ("power", "warm", "sweet") and Len ("power", "cold" and "serious"), a total of 6 altogether.

Prima[edit]

Prima was a female English vocal released by Zero-G Ltd. She possessed the voice of a female Soprano opera singer and sang in English.[27][28]She was released on January 14, 2008. Prima was noted for having a customized English library with a few extra phonetic sounds more then the standard English vocal contained.[29][not in citation given]

Gackpoid[edit]

Based on the voice of Gackt, the package was released on July 31, 2008 by Internet Co., Ltd. The mascot for the package was called "Camui Gackpo" and was a male singer.[30]

Megurine Luka[edit]

The third and final member of the Character Voice series, and the first vocal capable of both English and Japanese. She was released on January 30, 2009, her codename was "CV03". Her English vocal did not have a full library and was capable of only 2,200 words, though was later updated to fix the problem.[31] It is notable that her package was originally going to be called "Hatsune Miku", designed when Vocaloid 2 was first announced to be a bilingual English and Japanese vocal, being the first planned member of the Character Voice series.[32] Her provider is Yū Asakawa.

Megpoid[edit]

Megpoid was the second Artist vocal developed by Internet Co., Ltd. Based on the voice of Megumi Nakajima she was released on June 26, 2009, she sings in Japanese. The mascot of the package is called "Gumi".[33]

Sonika[edit]

Sonika was the second voice released on July 14, 2009 by Zer0-G Ltd. She has a cute sounding English voice and was the first Zero-G vocal to be based on an amateur singer's voice rather than one of a professional.[34][35]

SF-A2 Miki[edit]

Designed to be a professional product, she was one of three products released on December 4, 2009 by AH-Software.[36] She was based on the voice of Miki Furukawa and sings in Japanese.

Kaai Yuki[edit]

The second vocal released on December 4, 2009 by AH-Software. She is designed to be a Japanese vocal with human characteristics. Her voice is based on a child's voice and she is not meant to be a professional singer.[37]

Hiyama Kiyoteru[edit]

Hiyama Kiyoteru was the third product released on December 4, 2009 by AH-Software.[38] He is a male voice with humanistic qualities to it. He was designed to be Kaai Yuki's school teacher. The voice is based upon the voice of Kiyoshi Hiyama and sings in Japanese.[39]

Big Al[edit]

Released by PowerFX as their second vocal, Big Al is a deep toned masculine vocal and the complimentary vocal to Sweet Ann, like ann he sings in English.[40][41] He was released on December 22, 2009.

Tonio[edit]

A male voice that was designed to be a complimentary voice to Prima, he is also from Zero-G Limited. Like Prima he is also a opera based vocal and covers the ranges from baritone to tenor.[42] He was released on July 14, 2010.

Lily[edit]

Lily was released by Internet Co., Ltd. as their 3rd Vocaloid product; like previous vocals she sang in Japanese. Unlike the previous two vocals, Lily's product did not have a separate name for both product and mascot.[43][44] She was a promotional product produced with Avex Management.[45][46] She is based on the voice of Yūri Masuda from Japanese band m.o.v.e. and was released on August 25, 2010.

VY1[edit]

See also: VY1v3 and VY1v4

VY1 was developed under the codename of "Mizki" as a professional Japanese female vocal with no mascot, designed to fulfill any role and head any Yamaha Vocaloid product. It was released on September 1, 2010 by Bplats and designed to act as a "Standard" vocal of noted quality for the Vocaloid software.[47][48] It was released on September 1, 2010.

Gachapoid[edit]

Gachapoid was the third and final "Poid" product released by Internet Co., Ltd. for the Vocaloid 2 engine. He sang in Japanese and was meant to be based on the character of Gachapin. The mascot of the product is "Ryūto" and is based upon the Gachapin voice of Kuniko Amemiya.[49][50] It was released on October 8, 2010.

Nekomura Iroha[edit]

Nekomura Iroha was the 4th product by AH-Software released for the Vocaloid 2 engine and was a deep but cute Japanese female voice.[51][52][53] she was released on October 22, 2010.

Utatane Piko[edit]

A high pitched male Japanese vocal. He is based on Piko and released on December 8, 2010.[54]

VY2[edit]

See also: VY2v3

VY2 was the second addition to the "VY" series, after VY1 and was design to compliment the VY1 voice, its codename is ""Yūma"". The voice of VY2 is masculine and sings in Japanese.[55][56] It was released on April 25, 2011.

Azuki Masaoka/Matcha Kobayashi[edit]

Only usable in 575 Utami, these two voices are based on Yuka Ōtsubo (Azuki Masaoka) and Ayaka Ohashi (Matcha Kobayashi). They are a pair of female vocals produced by Sega to sing within the game in Japanese.

Luka Append, Meiko V2, Kaito V2 and Miku English[edit]

Crypton Future Media had produced vocals for this version of the software Renders of the beta vocals could be heard in various mediums. Meiko was used in the song "Piano × Forte × Scandal" (ピアノ×フォルテ×スキャンダル?) on the album Oster-san no Best (OSTERさんのベスト?). Originally, the song used Meiko's original Vocaloid vocal. Luka's Append vocal was used on the album Vocaloid Minzoku Chō Kyokushū (VOCALOID民族調曲集?) for the song "Hoshizora to Yuki no Butōkai (Zeal mix)". The promotional album Vocalo Append used a beta of Luka's "Soft" Append. Miku's English vocal in particular was low quality and was not released in the engine for this reason. The vocals were announced to have been dropped in favor of Vocaloid 3 productions on December 1, 2011.[57] Songs using the beta versions also featured in Hatsune Miku and Future Stars: Project Mirai.

With the exception of the Luka Append, which is due for a Vocaloid 4 release, all vocals were later released as Vocaloid 3 products.

Megpoid Extend[edit]

Was a "Append-like" vocal package designed for Megpoid. It was later change to the V3 Megpoid package.[58]

Reception[edit]

Reception to Vocaloid 2 was generally better. When Sweet Ann was first released, John Walden of Sound on Sound had reviewed Leon, Lola and Miriam and noted that Vocaloid itself had no previous rival technology to contend with, and praised Yamaha for their efforts as Vocaloid was an ambitious project to undertake, considering the human voice was more complex to synthesize than instruments such as the violin.[59] In reviewing Vocaloid 2, he referred to the original software engine in a passing comment stating, "Undoubtedly a remarkable and innovative product and, with experience and patience, was capable of producing results that could be frighteningly realistic." While he congratulated the improvements made in Vocaloid 2, he noted the software was still far from being regarded as a top rate singer.[60] Particularly what makes Vocaloid difficult to sell as a product is the notion that the human ear can pick up faults in vocal speech.[61] When reviewing Tonio, Sound on Sound writer Tom Flint argued that in the amount of time it takes to understand and learn how to use the software, it would be easier to hire a singer for half an hour to do the recording session. He, along with fellow writer John Walden during a review on Sonika, both stated singers will not fear losing their jobs just yet.[62][63]

The Vocaloid 2 software was a instant success in Japan upon the release of the Hatsune Miku product.[1] Bil Byrant of PowerFX, in an interview after the release of Big Al, noted that when they released Sweet Ann that they expected the electronica based music producers to use Vocaloid and were surprised that they were reluctant to embrace the software. At this point, the huge Japanese producer base had become noticeable and a large number of videos were being posted on YouYube.[64] Hatsune Miku's success at selling 60,000 copies was also a note worthy remarkable number, as at the time of Miku's release selling 1,000 copes of a software synthesizer was considered "a commercial success".[22]

References[edit]

  1. ^ a b "The Making of Vocaloid". Red Bull Music Academy. Retrieved November 12, 2014. 
  2. ^ "(Vocaloid2情報)今日が最後の夜・・・" [(Vocaloid 2 News) This is the Last Night...] (in Japanese). Crypton Future Media. July 12, 2007. Retrieved May 13, 2012. 
  3. ^ "Interview of Hideki Kenmochi". DTM magazine (in Japanese) (Terajima Joho Kikaku) 15 (2 (January Special ed. The Vocaloid CV01 Hatsune Miku)): pp. 36–39. January 2008. 
  4. ^ "Key features of Vocaloid 2". Yamaha Corporation. Retrieved May 21, 2011. 
  5. ^ Inoue, Satoru (January 14, 2008). 技術フロンティア 肉声に近づいた音声合成(ヤマハ、クリプトン・フューチャー・メディア、アニモ) [Technology Frontier: Singing Synthesizer Gets Closer to a Natural Voice (Yamaha, Crypton Future Media, Animo)]. Nikkei Business (in Japanese) (Nikkei BP) (1424): pp. 78–80. ISSN 0029-0491. 
  6. ^ "デジタルコンテンツEXPO:VOCALOIDがiPad/iPhoneアプリに ヤマハが開発" [Digital Content Expo: Vocaloid Becomes iPad/iPhone Applications. Yamaha Develops Those] (in Japanese). ITmedia. October 14, 2010. Retrieved October 17, 2010. 
  7. ^ "Y2 Autumn 2010 |Digital Content Expo 2010" (in Japanese). Digital Content Expo. Retrieved October 17, 2010. 
  8. ^ "iVOCALOID-VY1" (in Japanese). Apple Inc. Retrieved December 13, 2010. 
  9. ^ "iVOCALOID-VY1t" (in Japanese). Apple Inc. Retrieved December 13, 2010. 
  10. ^ "[お知らせ] 初音ミク『話題 of the Year 2007』趣味・エンタメ部門ノミネート!" [[Notice] Hatsune Miku nominated on: All About The Topic of the Year 2007, Hobby & Entertainment division]. Sonicwire Blog. Crypton Future Media. 2007-11-26. Retrieved 5 December 2014. 
  11. ^ "[お知らせ]All About 話題 of the Year 2007 部門賞受賞" [[Notice] All About The Topic of the Year 2007 Award Winning]. Sonicwire Blog. Crypton Future Media. 25 December 2007. Retrieved 5 December 2014. 
  12. ^ "BCN AWARD 2008受賞/2007年の売上げトップ10など" [BCN AWARD 2008 Winning / Sales Top 10 in 2007, etc.]. Sonicwire Blog. Crypton Future Media. 29 January 2008. Retrieved 5 December 2014. 
  13. ^ "[お知らせ] 「初音ミク」第13回AMDアワード優秀賞受賞!" [[Notice]Hatsune Miku, 13th AMD Award excellence award winning]. Sonicwire Blog. Crypton Future Media. 5 March 2008. Retrieved 5 December 2014. 
  14. ^ "MM総研大賞2008 話題賞 『初音ミク』が受賞" [MM Research Institute Award 2008 topic Award won by "Hatsune Miku"]. Sonicwire Blog. Crypton Future Media. 17 June 2008. Retrieved 5 December 2014. 
  15. ^ "第39回星雲賞 自由部門『初音ミク』が受賞!" [39th Seiun Award free division won by Hatsune Miku]. Sonicwire Blog. Crypton Future Media. 25 August 2008. Retrieved 5 December 2014. 
  16. ^ "2008年度 グッドデザイン賞 『初音ミク』が受賞!" [Good Design Award 2008 won by Hatsune Miku]. Sonicwire Blog. Crypton Future Media. 8 October 2008. Retrieved 5 December 2014. 
  17. ^ "[お知らせ] BCN AWARD 2009 サウンド関連ソフト部門 最優秀賞受賞" [[Notice] BCN AWARD 2009 Sound-related Software division Best Award Winning]. Sonicwire Blog. Crypton Future Media. 9 January 2009. Retrieved 5 December 2014. 
  18. ^ "Vocaloid 2 - Sweet Ann". PowerFX. Retrieved July 8, 2010. 
  19. ^ "Countdown begins for the first Vocaloid 2 release: Sweet Ann!". Vocaloid-User.net. May 22, 2007. Retrieved 5 December 2014. 
  20. ^ "CV01 初音ミク" [CV01 Hatsune Miku] (in Japanese). Crypton Future Media. Retrieved July 8, 2010. 
  21. ^ a b Okada, Yuka (23 July 2008). "「初音ミク」発売からもうすぐ1年 開発者が語る、これまでとこれから" [Hatsune Miku's Release 1st Anniversary, soon. The developer (Wat) talked: Until Now, and the Future] (in Japanese). ITmedia. 
  22. ^ a b JR (01 June 2011). "Virtual star to be unleashed on US". The Independent. The Hatsune Miku software has sold a remarkable 60,000 copies to date, making it a huge hit in a market where sales of 1,000 markets of a synthesizing software is considered a success.  Check date values in: |date= (help)
  23. ^ "CV01A MIKU APPEND" (in Japanese). Crypton Future Media. Retrieved July 8, 2010. 
  24. ^ "CV02 鏡音リン・レン act2" [CV02 Kagamine Rin/Len act2] (in Japanese). Crypton Future Media. Retrieved July 8, 2010. 
  25. ^ ボーカロイド市場、「初音ミク」の対抗馬登場で激化 [Vocaloid Market "Hatsune Miku" Rivalry Intensifies]. BCN Ranking (in Japanese). BCN Inc. September 1, 2008. Retrieved July 14, 2010. 
  26. ^ "KAGAMINE RIN/LEN act2(音楽ソフトウエア)" [Kagamine Rin/Len act2 (Music Software)] (in Japanese). Crypton Future Media. Retrieved July 8, 2010. 
  27. ^ "Vocaloid Prima". Zero-G. Retrieved July 8, 2010. [dead link]
  28. ^ "Prima - virtual vocalist from Zero-G". Zero-G. Retrieved 24 December 2014. Prima from Zero-G is a virtual vocalist based on a professional soprano singer. ... Whether it’s soaring leads, harmonies or backing vocals Prima can sing any word from the English language (and other languages too with a little work). ... 
  29. ^ Wataru Sasaki [crypton_wat @vocaloid_cv_cfm] (29 August 2014). "音素がカスタマイズされているDBとしてはMAIKAが有名ですね。また、過去の製品では、Primaなど若干カスタマイズがされているものもあります。" [As for a singer DB with customized phonemes, MAIKA is famous. In addition, as the past products, like Prima, there are those which are slightly customized.]. Twitter (in Japanese). Crypton Future Media. 
  30. ^ ケータイがくっぽいど [Cellphone Gakuppoid] (in Japanese). Internet Co., Ltd. Retrieved July 8, 2010. 
  31. ^ "[VOCALOID2情報]巡音ルカに関しまして" [[VOCALOID2 Info]Concerning Megurine Luka]. Sonicwire Blog. Crypton Future Media. 3 February 2009. Retrieved 5 December 2014. 
  32. ^ Okada, Yuka (10 February 2009). 英語に苦心 大人なVOCALOID「巡音ルカ」ができるまで (1/2) [Struggling on English. Making of a mature VOCALOID, Megurine Luka (1 of 2)] (in Japanese). ITmedia. Retrieved 5 December 2014. 
  33. ^ "Megpoid" (in Japanese). Internet Co., Ltd. Retrieved July 8, 2010. 
  34. ^ "Zero-G shipping Vocaloid Sonika". Rekkerd.org. July 15, 2009. Retrieved July 23, 2009. 
  35. ^ "Sonika-Vocaloid by Zero-G". Zero-G. Retrieved July 8, 2010. 
  36. ^ "SF-A2 開発コード miki" [SF-A2 Development Code miki] (in Japanese). AH-Software. Retrieved July 1, 2010. 
  37. ^ "ボカロ小学生 歌愛ユキ" [Vocaloid Elementary School Student Kaai Yuki]. AH-Software. Retrieved July 1, 2010. 
  38. ^ "ボカロ先生 氷山キヨテル" [Vocaloid Teacher Hiyama Kiyoteru]. AH-Software. Retrieved July 1, 2010. 
  39. ^ "He is the inside person". Vocaloid Creativity Community. August 13, 2010. Retrieved October 25, 2010. [dead link]
  40. ^ "New Vocaloid libraries from PowerFX (Sweden)". Jasmine Music Technology. May 28, 2007. Retrieved June 8, 2009. 
  41. ^ "Vocaloid - Big Al". PowerFX. Retrieved July 8, 2010. 
  42. ^ "Tonio from Zero-G is a virtual vocalist based on a professional classical singer". Zero-G. Retrieved July 14, 2010. 
  43. ^ "Lily Vocaloid" (in Japanese). Internet Co,. Ltd. Retrieved July 8, 2010. 
  44. ^ "インターネット、第3弾のVOCALOID2「Lily」を8月発売-m.o.v.eのヴォーカル、yuriの声をサンプリング" [Internet Co., Ltd.'s Third Vocaloid Lily to be Sold in August - Samples m.o.v.e's Vocalist Yuri's Voice]. AV Watch (in Japanese). Impress Corporation. July 8, 2010. Retrieved July 8, 2010. 
  45. ^ Kimura, Takashi (†-kimura (@t__kimura)) (July 9, 2010). "ボーカロイドも作りました☆ Lily(リリィ) ... 確か二月頃からヤマハと開発開始しブラッシュアップを重ね8月に発売決定。遊んでやって下さいませ。さらに関連アイテムも続々登場予定☆" [We also made a Vocaloid☆, Lily. ... Development was started with Yamaha in February, revisions piled up, and is set to be sold in August. Please enjoy it. Also, related items will be released one after another☆.]. Twitter (in Japanese). Burning Publishers. Retrieved August 5, 2010. 
  46. ^ Kimura, Takashi (†-kimura (@t__kimura)) (July 9, 2010). "販売とサポートをお願いしている(株)インターネットさんが動いています。RT ... "デモが早く聴きたいで〜す♪RT ..." [Sales & support partner, the Internet Co., Ltd., is moving to realize it. RT ... I wanna listen demos, soon. RT ...]. Twitter (in Japanese). Burning Publishers. Retrieved August 5, 2010. 
  47. ^ "新型ボーカロイド「VY1」公開です!" [New Model Vocaloid "VY1" Presentation!] (in Japanese). Bplats. August 13, 2010. Retrieved August 13, 2010. 
  48. ^ "VY1" (in Japanese). Yamaha Corporation. Retrieved August 6, 2010. 
  49. ^ "Gachapin Mascot Gets Vocaloid2 Voice Synthesis Pack". Anime News Network. August 27, 2010. Retrieved August 28, 2010. 
  50. ^ 「ガチャッポイド」のサイトに「キャラクター名:リュウト」と掲載な件 ["Character Name: Ryūto" Appears on "Gachapoid" Site]. Hatsune Miku Miku (in Japanese). March 10, 2011. Retrieved April 30, 2011. 
  51. ^ Vocaloid (@vocaloid_yamaha) (August 12, 2010). "本日からビックサイトで開催されるコミケのサンリオさん企業ブースにて新しいVOCALOID(VY1ではないです)の告知があるようです。" [On the Comiket held at Big Site from today, at Sanrio's corporate booth, there seems to be announced about new Vocaloid (not VY1).]. Twitter (in Japanese). Yamaha Corporation. Retrieved August 16, 2010. 
  52. ^ Ogata, Tomohide (@tomo_ahs) (August 13, 2010). "いろいろと情報が錯綜してすいません。本日から3日間弊社とサンリオさんとで制作中のボーカロイドの一部をコミケ会場で流させていただきました。キャラクターなどその他はまだ出せる段階ではありませんので、もうしばらくお待ちいただければと思います。" [Sorry for intricacy of various information. From today during three days, a part of Vocaloid in production by AH-Software and Sanrio, have been replayed on the Comiket venue. Although Vocaloid character and others are not in the publish stage, I'm glad if you could wait for a little.]. Twitter (in Japanese). AH-Software. Retrieved August 16, 2010. 
  53. ^ "VOCALOID2 猫村いろは" [Vocaloid 2 Nekomura Iroha] (in Japanese). AH-Software. Retrieved September 16, 2010. 
  54. ^ "New Vocaloid Utatane Piko Announced!". Vocaloidism. October 29, 2010. Retrieved October 29, 2010. 
  55. ^ Okada, Yuka (August 13, 2010). "キャラクターなしのVOCALOID「VY1」 初のヤマハ製、9月発売" ["VY1", a Vocaloid With No Character, First Yamaha-Made, Sold in September] (in Japanese). ITmedia. Retrieved September 5, 2010. 
  56. ^ VYシリーズ, お知らせ [VY Series Notification]. ボーカロイドストアブログ [Vocaloid Store Blog] (in Japanese). Bplats. December 24, 2010. Archived from the original on 16 August 2011. Retrieved January 18, 2011. 
  57. ^ Wataru Sasaki [crypton_wat @vocaloid_cv_cfm] (1 December 2011). "おお、答えれていなかった質問が幾つかありました。現状、betaとして出ている音源については全てVOCALOID2を使用したものでして、原則、VOCALOID3に適合させた上で改めて音声化し、デモソング等としてリリースさせて頂きたいと思います m(_ _)m" [Oh, several questions have been left unanswered. Status quo, all sound sources released as beta are made with VOCALOID2, and in principle, these should be adopted to VOCALOID3, then rendered using it, and finally we will release these as demo songs. m(_ _)m]. Twitter (in Japanese). Crypton Future Media. [not in citation given]
  58. ^ "「メグッポイドextend」の収録が行われたらしい件" [The recording of "Megpoid Extend" seems to had been done.]. Hatsune Miku Miku (in Japanese). 20 January 2011. [not in citation given]
  59. ^ Walden, John. "Vocaloid Leon & Lola". Sound on Sound (March 2004). Retrieved March 26, 2011. 
  60. ^ Walden, John. "PowerFX Vocaloid 2 Sweet Ann". Sound on Sound (January 2008). Retrieved March 26, 2011. 
  61. ^ Wilkinson, Scott (August 1, 2003). "Humanoid or Vocaloid?". Electronic Musician (Primedia Business Magazines and Media). Archived from the original on 10 July 2004. Retrieved December 24, 2011. 
  62. ^ Flint, Tom. "Zero-G | Tonio: Male Classical Vocal". Sound on Sound (December 2010). Retrieved January 31, 2012. 
  63. ^ Walden, John. "Sonika". Sound on Sound (March 2010). Retrieved January 31, 2012. 
  64. ^ "Interview: Bil Bryant (Production and CEO of PowerFX)". Engloids (powered by Wordpress). January 4, 2010. Retrieved December 5, 2014.