The MBROLA software is not a complete speech synthesis system for all those languages; the text must first be transformed into phoneme and prosodic information in MBROLA's format, and separate software (e.g. eSpeakNG) is necessary.
MBROLA project started in 1995 at the TCTS Lab of the Faculté polytechnique de Mons (Belgium) as a scientific project to obtain a set of speech synthesizers for as many languages as possible. The first release of MBROLA software was in 1996 and was provided as freeware for non-commercial, non-military application. Licenses for created voice databases differ, but are also mostly for non-commercial and non-military use.
Due to its free usage only for non-commercial applications, MBROLA was as alternative choice for private/home users for de facto speech synthesis engine eSpeakNG in Linux workstations, but mostly was not used for commercial solutions (e.g. for speaking time clocks, boarding notifications for ports and terminals etc.) After initial development of voice databases updates and support of MBROLA software ceased and gradually closed-source binaries fell behind development of recent hardware and operating systems.[2] To deal with this MBROLA development team decided to release MBROLA as open source software, and on October 24, 2018, source code was released on GitHub with GNU Affero General Public License. On January 23, 2019, tool called MBROLATOR was released to provide creation of MBROLA database from WAV files with the same license.
Used technologyEdit
MBROLA software uses MBROLA (Multi-Band Resynthesis OverLap Add)[3]algorithm for speech generation. Although it is diphone-based, the quality of MBROLA's synthesis is considered to be higher than that of most diphone synthesisers as it preprocesses the diphones imposing constant pitch and harmonic phases that enhances their concatenation while only slightly degrading their segmental quality.
MBROLA is a time-domain algorithm similar to PSOLA, which implies very low computational load at synthesis time. Unlike PSOLA, however, MBROLA does not require a preliminary marking of pitch periods. This feature has made it possible to develop the MBROLA project around the MBROLA algorithm, through which many speech research labs, companies, or individuals around the world have provided diphone databases for many languages and voices.
^Dutoit, T; Leich, H (Dec 1993). "MBR-PSOLA: Text-To-Speech synthesis based on an MBE re-synthesis of the segments database". Speech Communication. 13 (3–4): 435–440. doi:10.1016/0167-6393(93)90042-J.
MBROLA source code repository
Using Festival with MBROLA
External linksEdit
MBROLA voices (database for MBROLA speech synthesizer)
MBROLATOR (database creation tool for MBROLA speech synthesizer)
August 25, 2023
mbrola, speech, synthesis, software, worldwide, collaborative, project, project, page, provides, diphone, databases, many, spoken, languages, original, author, thierry, dutoitdeveloper, vincent, pagelinitial, release1995, years, 1995, stable, release3, decembe. MBROLA is speech synthesis software as a worldwide collaborative project The MBROLA project web page provides diphone databases for many 1 spoken languages MBROLAOriginal author s Thierry DutoitDeveloper s Vincent PagelInitial release1995 28 years ago 1995 Stable release3 3 17 December 2019 3 years ago 2019 12 17 Repositorygithub wbr com wbr numediart wbr MBROLAWritten inCOperating systemLinuxWindowsFreeBSDTypeSpeech synthesizerLicenseGNU Affero General Public LicenseWebsitegithub wbr com wbr numediart wbr MBROLAThe MBROLA software is not a complete speech synthesis system for all those languages the text must first be transformed into phoneme and prosodic information in MBROLA s format and separate software e g eSpeakNG is necessary Contents 1 History 2 Used technology 3 References 4 External linksHistory EditMBROLA project started in 1995 at the TCTS Lab of the Faculte polytechnique de Mons Belgium as a scientific project to obtain a set of speech synthesizers for as many languages as possible The first release of MBROLA software was in 1996 and was provided as freeware for non commercial non military application Licenses for created voice databases differ but are also mostly for non commercial and non military use Due to its free usage only for non commercial applications MBROLA was as alternative choice for private home users for de facto speech synthesis engine eSpeakNG in Linux workstations but mostly was not used for commercial solutions e g for speaking time clocks boarding notifications for ports and terminals etc After initial development of voice databases updates and support of MBROLA software ceased and gradually closed source binaries fell behind development of recent hardware and operating systems 2 To deal with this MBROLA development team decided to release MBROLA as open source software and on October 24 2018 source code was released on GitHub with GNU Affero General Public License On January 23 2019 tool called MBROLATOR was released to provide creation of MBROLA database from WAV files with the same license Used technology EditMBROLA software uses MBROLA Multi Band Resynthesis OverLap Add 3 algorithm for speech generation Although it is diphone based the quality of MBROLA s synthesis is considered to be higher than that of most diphone synthesisers as it preprocesses the diphones imposing constant pitch and harmonic phases that enhances their concatenation while only slightly degrading their segmental quality source source source MBROLA voice sample of Leonhard Euler quoteMBROLA is a time domain algorithm similar to PSOLA which implies very low computational load at synthesis time Unlike PSOLA however MBROLA does not require a preliminary marking of pitch periods This feature has made it possible to develop the MBROLA project around the MBROLA algorithm through which many speech research labs companies or individuals around the world have provided diphone databases for many languages and voices References Edit List of MBROLA voices Mbrola 64 crashes immediately with a SEGFAULT Dutoit T Leich H Dec 1993 MBR PSOLA Text To Speech synthesis based on an MBE re synthesis of the segments database Speech Communication 13 3 4 435 440 doi 10 1016 0167 6393 93 90042 J MBROLA source code repository Using Festival with MBROLAExternal links EditMBROLA voices database for MBROLA speech synthesizer MBROLATOR database creation tool for MBROLA speech synthesizer Retrieved from https en wikipedia org w index php title MBROLA amp oldid 1163996468, wikipedia, wiki, book, books, library,
