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Speech recognition software is available for many computing platforms, operating systems, use models, and software licenses. Here is a listing of such, grouped in various useful ways.

Acoustic models and speech corpus (compilation)[edit]

LumenVox ASR; Tellme Networks; acquired by Microsoft; Unix-like x86 and x86-64 speech transcription software. Janus Recognition Toolkit (JRTk) Discontinued software. IBM VoiceType (formerly IBM Personal Dictation System) IBM ViaVoice – Embedded version still maintained by IBM. No longer supported for versions above Windows Vista. Ciding whether to deploy a new ASR instead of the production ASR, recognition hypotheses from both systems can be used. During the first transcription stage, one judge at a time listens to the audio and provides lexical transcription for it (2). Judges are allowed (though not encouraged) to mark utterances as too difficult to transcribe.

The following list presents notable speech recognition software engines with a brief synopsis of characteristics.

Application nameDescriptionOpen-sourceLicenseOperating systemProgramming languageSupported language, noteOffline or online
CMU SphinxHMMYesBSD styleCross-platformJavaEnglish, German, French, Mandarin, RussianOffline
HTKNoHTK specificCross-platformCEnglish; version 3.5 released December 2015
JuliusHMM trigramsYesBSD style, non-commercialCross-platformCJapanese, English; [2]Offline
KaldiNeural netYesApacheCross-platformC++English
RWTH ASRRWTH Aachen UniversityNoRWTH ASR, non-commercial use onlyLinux, macOSC++English

Macintosh[edit]

Application nameDescriptionOpen-sourceLicensePriceNote
Voice Control (Apple)macOSNoProprietary
Dragon for Mac (discontinued 2018)macOS; by NuanceNoProprietary
Dragon Dictate (discontinued)macOS; by NuanceNoProprietary
MacSpeech Scribe (discontinued)Transcription from recorded text; acquired by Nuance
iListen (discontinued)PowerPC Macintosh; discontinued by MacSpeech; acquired by Nuance
Speakable itemsIncluded with macOS
ViaVoice (discontinued)IBM Product; acquired by Nuance
Voice NavigatorOriginal GUI voice control; 1989

Cross-platform web apps based on Chrome[edit]

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The following list presents notable speech recognition software that operate in a Chrome browser as web apps. They make use of HTML5 Web-Speech-API.[1]

Application nameDescriptionOpen-sourceLicensePriceNote
Speechmatics[2]Cloud based and on-premise automatic speech recognitionNoProprietaryFrom £0.06 per minute of audio

Mobile devices and smartphones[edit]

Many mobile phone handsets, including feature phones and smartphones such as iPhones and BlackBerrys, have basic dial-by-voice features built in. Many third-party apps have implemented natural-language speech recognition support, including:

Application nameDescriptionOpen-sourceLicensePriceNote
Assistant.aiAssistant for Android, iOS and Windows PhoneNoProprietary, freewareFreeDiscontinued
Dragon DictationNoProprietary, freewareFree
Google NowAndroid voice searchNoProprietary, freewareFree
Google Voice SearchNoProprietary, freewareFree
Microsoft CortanaMicrosoft voice searchNoProprietary, freewareFree
Siri Personal AssistantApple's virtual personal assistantNoProprietary, freewareFree
Alexa – Amazon EchoAmazon's personal assistantNoProprietary
SILVIAAndroid and iOSNo
Vlingo

Windows[edit]

Windows built-in speech recognition[edit]

The Windows Speech Recognition version 8.0 by Microsoft comes built into Windows Vista, Windows 7, Windows 8 and Windows 10.Speech Recognition is available only in English, French, Spanish, German, Japanese, Simplified Chinese, and Traditional Chinese and only in the corresponding version of Windows; meaning you cannot use the speech recognition engine in one language if you use a version of Windows in another language. Windows 7 Ultimate and Windows 8 Pro allow you to change the system language, and therefore change which speech engine is available. Windows Speech Recognition evolved into Cortana (software), a personal assistant included in Windows 10.

Add-ons for Windows 7 speech recognition[edit]

  • Voice Finger – software for Windows Vista and Windows 7 that improves the Windows speech recognition system by adding several extensions to accelerate and improve the mouse and keyboard control.

Windows 7, 8, 10 third-party speech recognition[edit]

  • Braina – Dictate into third party software and websites,[3] fill web forms and execute vocal commands.[4]
  • Dragon NaturallySpeaking from Nuance Communications – Successor to the older DragonDictate product. Focus on dictation. 64-bit Windows support since version 10.1.
  • SpeechMagic – Nuance Communications acquired Philips owned. Medical industry focus according to Frost & Sullivan. Standalone or embedded.[5]
  • Tazti – Create speech command profiles to play PC games and control applications – programs. Create speech commands to open files, folders, webpages, applications. Windows 7, Windows 8 and Windows 8.1 versions.[6]

Windows XP or 2000 only[edit]

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  • Microsoft Speech API – Speech recognition functionality included as part of Microsoft Office and on Tablet PCs running Microsoft Windows XP Tablet PC Edition. It can also be downloaded as part of the Speech SDK 5.1 for Windows applications, but since that is aimed at developers building speech applications, the pure SDK form lacks any user interface, and thus is unsuitable for end users.

Built-in software[edit]

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  • Microsoft Kinect includes built-in software which allows speech recognition of commands.
  • Older generations of Nokia phones like Nokia N Series (before using Windows 7 mobile technology) used speech-recognition with family names from contact list and a few commands.
  • Siri, originally implemented in the iPhone 4S, Apple's personal assistant for iOS, which uses technology from Nuance Communications.
  • Cortana (software), Microsoft's personal assistant built into Windows Phone and Windows 10.

Interactive voice response[edit]

The following are interactive voice response (IVR) systems:

  • Genesys[7]
  • HTK – copyrighted by Microsoft, but allows altering software for licensee's internal use
  • LumenVox ASR
  • Tellme Networks; acquired by Microsoft

Unix-like x86 and x86-64 speech transcription software[edit]

  • Janus Recognition Toolkit (JRTk)[8][9]

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Discontinued software[edit]

  • IBM VoiceType (formerly IBM Personal Dictation System)
  • IBM ViaVoice – Embedded version still maintained by IBM.[10] No longer supported for versions above Windows Vista.[11] Untested above macOS 10.4 or on Macintoshes with an Intel chipset.[12]
  • Quack.com; acquired by AOL; the name has now been reused for an iPad search app.
  • SpeechWorks from Nuance Communications.
  • Yap Speech Cloud – Speech-to-text platform acquired by Amazon.com.

See also[edit]

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References[edit]

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  1. ^'Web Speech API Specification'. dvcs.w3.org. Archived from the original on 2016-06-21.
  2. ^Orlowski, Andrew. 'Total recog: British AI makes universal speech breakthrough'. The Register. Situation Publishing. Retrieved 17 May 2018.
  3. ^'Speech Recognition Software for Windows PC – Braina'. www.brainasoft.com. Archived from the original on 2015-04-07.
  4. ^'Dynamic Faceting-List of Most 57 Speech Recognition SWs and Web Services'. Archived from the original on February 13, 2019. Retrieved February 23, 2019.
  5. ^'Philips SpeechMagic named European Technology Leader by Frost & Sullivan'. www.frost.com. Archived from the original on 2008-04-15.
  6. ^O'Neill, Mark (2013-11-06). 'Control your PC with these 5 speech recognition programs'. PC World. Archived from the original on 2014-01-01. Retrieved 2013-12-30.
  7. ^'Interactive Voice Response'. Genesys. Archived from the original on 2016-10-14.
  8. ^[1][dead link]
  9. ^Lavie, A.; Waibel, A.; Levin, L.; Finke, M.; Gates, D.; Gavalda, M.; Zeppenfeld, T.; Zhan, Puming (1 April 1997). 'Janus-III: speech-to-speech translation in multiple languages'. 1997 IEEE International Conference on Acoustics, Speech, and Signal Processing. IEEE Xplore. 1. pp. 99–102. CiteSeerX10.1.1.36.6967. doi:10.1109/ICASSP.1997.599557. ISBN978-0-8186-7919-3.
  10. ^'Archived copy'. Archived from the original on 2010-08-08. Retrieved 2010-06-29.CS1 maint: archived copy as title (link)
  11. ^'Nuance product support for Microsoft Windows 7'. Nuance Communications, Customer Help. Retrieved 2019-03-16.
  12. ^'ViaVoice for Mac OS X on Intel Chipset'. Nuance Communications, Customer Help. Retrieved 2019-03-16.

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