EP1184838A2 - Phonetische Übersetzung für die Sprachsynthese - Google Patents
Phonetische Übersetzung für die Sprachsynthese Download PDFInfo
- Publication number
- EP1184838A2 EP1184838A2 EP01113053A EP01113053A EP1184838A2 EP 1184838 A2 EP1184838 A2 EP 1184838A2 EP 01113053 A EP01113053 A EP 01113053A EP 01113053 A EP01113053 A EP 01113053A EP 1184838 A2 EP1184838 A2 EP 1184838A2
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- EP
- European Patent Office
- Prior art keywords
- word
- found
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- database
- phonetic transcription
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000013518 transcription Methods 0.000 title claims abstract description 64
- 230000035897 transcription Effects 0.000 title claims abstract description 64
- 230000015572 biosynthetic process Effects 0.000 title claims abstract description 22
- 238000003786 synthesis reaction Methods 0.000 title claims abstract description 22
- 238000011282 treatment Methods 0.000 claims abstract description 38
- 238000000034 method Methods 0.000 claims abstract description 24
- 238000006243 chemical reaction Methods 0.000 claims abstract description 5
- 238000004590 computer program Methods 0.000 claims abstract description 5
- 238000013528 artificial neural network Methods 0.000 claims description 6
- 150000001875 compounds Chemical class 0.000 claims description 4
- 239000000945 filler Substances 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 3
- 239000000470 constituent Substances 0.000 claims description 2
- 238000012549 training Methods 0.000 description 18
- 238000004458 analytical method Methods 0.000 description 1
- 238000013459 approach Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000003672 processing method Methods 0.000 description 1
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Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
- G10L13/00—Speech synthesis; Text to speech systems
- G10L13/08—Text analysis or generation of parameters for speech synthesis out of text, e.g. grapheme to phoneme translation, prosody generation or stress or intonation determination
Definitions
- the invention relates to a method, an arrangement and a Computer program product for speech synthesis using grapheme-phoneme conversion.
- Language processing methods are, for example, from US 6 029 135, US 5 732 388, DE 19636739 C1 and DE 19719381 C1 known.
- Text saved in non-spoken form pretend to be speech through a speech synthesis. To do this usually the individual words of the text in a database searched that the phonetic transcriptions numerous Contains words. The phonetic transcriptions of the Words found in the database are put together and can be output as language.
- OOV treatment Out-of-vocabulary treatment
- the object of the invention is to improve speech synthesis in that larger Extent of phonetic values given in a database Transcriptions of words can be used and OOV treatments are only used to a lesser extent have to.
- This task is accomplished through a process, an arrangement and a computer program product with the features of independent Claims resolved.
- the arrangement or the computer program product it is possible even for a given word access the phonetic transcriptions of its partial words, if the given word is not completely in can put together subwords contained in the database.
- the main idea is that for the first time a hybrid Approach is used in the given for the same Word both the phonetic transcription more complete Partial words, as well as an OOV treatment is used.
- the OOV treatment takes place for the phonetic transcription of the further component in Dependence of the phonetic transcription of the found Partword. This allows the quality of the speech synthesis for the further component versus a corresponding one pure OOV treatment of the entire word clearly increase. On the one hand, this is because the phonetic Transcription of the partial word found is much safer is as a phonetic transcription of this subword would be through an OOV treatment. This can help with OOV treatment further part of a safe phonetic Context is what the OOV treatment much more likely to get the right result lets come. The other is the phonetic Transcription of the subword found much longer than the phonemes commonly used in OOV treatment.
- the method is particularly advantageous if it does not follow is aborted when a first partial word is found, but if additional subwords in the given word are searched become. In this way, the largest possible section of the given Word composed of partial words for those in the database reliable information is available, and only the remaining, mostly small further part of the word must undergo OOV treatment.
- the search for partial words in the database can be started optimize various measures. For example, only partial words are searched which have a predetermined minimum length exhibit.
- the minimum length has been in practice highlighted a length of 5 letters, with others Framework conditions, for example for a different language, too Minimum lengths of 3, 4 or 6 letters can be useful.
- the search result is improved when the search for a part of a given word not immediately after Finding the first matching partial word is canceled, but is still looking for other possible partial words. This can be done, for example, by adding the word part by more Letters is added. This usually results in this Do the best result if found by several Subwords that the longest is selected is. However, a shorter subword can also be selected if this shorter subword in conjunction with one found in the database and contained in the given word longer subword a larger part of the given Represents the longer partial word found for itself alone if this does not match the second subword found can be combined.
- the OOV treatment for phonetic transcription further Part of it can be done using a neural network.
- the OOV treatment can also be carried out using a second one Database that contain the phonetic transcription of filler particles commonly used in compound words contains. In German, these are especially dative and Genitive endings that appear in compound words on the word in front are appended.
- step S3 the "Training" subword is found selected phonetic transcription recorded in the database.
- step S4 it is determined that the given one Word "training camp” next to the found subword “training” has another component "slager” that is not is recorded in the database.
- This further component "slager” is then in step S5 transcribed phonetically using OOV treatment.
- This OOV treatment is preferably based on an implementation of the individual graphemes of the further component "slager” in phonemes by means of a neural network.
- the phonemes will be selected and composed by the neural network so that in itself for the further component one results in the best possible speech synthesis.
- the speech synthesis result can be further improved if not just partial words starting from the beginning of the given word be searched, but also the search of other areas from the given word.
- the beginning of the further search begins with the i + first letter.
- the further one becomes for i 5 Search started with the letter "ingsl”, which in turn again has the given minimum length. This Letters would not be found in the database. The the same applies to the letters "ingsla" searched for, "ingslag” etc.
- OOV treatment can be described also by searching another database take place in which the phonetic transcriptions of compound Words commonly used filler particles are included.
- the genitive-s of the present example is such a commonly used filler. It would therefore be found in the second database and the associated one phonetic transcription can be chosen.
- rule-based treatment can also be used for OOV treatment Use procedures and DTW procedures.
- OOV treatment for phonetic transcription of the further component the phonetic Transcription of several or all of the partial words found is taken into account.
- this is special the case when the further component in the word between two found subwords is arranged.
- the phonetic is finally Transcription of the found subword "Training”, the phonetic transcription of the further partial word found "Lager” and the phonetic transcription of the other component "s" composed for speech synthesis.
- the arrangement according to the invention can be in the form of a computer system realize that is programmed, a corresponding Execute procedure.
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- Engineering & Computer Science (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Machine Translation (AREA)
Abstract
Description
- Figur 1
- eine schematische Darstellung des Ablaufs des Verfahrens und
- Figur 2
- eine schematische Darstellung eines zwischen zwei Teilwörtern stehenden weiteren Bestandteils eines gegebenen Wortes.
Claims (11)
- Verfahren zur Sprachsynthese mittels einer Graphem-Phonem-Umsetzung, bei demfür ein gegebenes Wort in einer Datenbank, die phonetische Transkriptionen von Wörtern enthält, nach Teilwörtern des gegebenen Wortes gesucht wird,mindestens ein Teilwort des gegebenen Wortes in der Datenbank gefunden wird,für das gefundene Teilwort eine in der Datenbank verzeichnete phonetische Transkription gewählt wird,das gegebene Wort neben dem gefundenen Teilwort mindestens einen weiteren Bestandteil aufweist, der nicht in der Datenbank verzeichnet ist,dieser weitere Bestandteil mittels einer OOV-Behandlung phonetisch transkribiert wird unddie phonetische Transkription des gefundenen Teilwortes und die phonetische Transkription des weiteren Bestandteils zusammengesetzt wird.
- Verfahren zur Sprachsynthese nach Anspruch 1, bei demdie OOV-Behandlung zur phonetischen Transkription des weiteren Bestandteils in Abhängigkeit der phonetischen Transkription des gefundenen Teilwortes erfolgt.
- Verfahren zur Sprachsynthese nach Anspruch 1 oder 2, bei demfür das gefundene Wort in der Datenbank nach weiteren Teilwörtern des Wortes gesucht wird,mindestens ein weiteres Teilwort des gegebenen Wortes in der Datenbank gefunden wird,für dieses gefundene weitere Teilwort eine in der Datenbank verzeichnete phonetische Transkription gewählt wird unddie phonetische Transkription des gefundenen Teilworts, die phonetische Transkription des weiteren gefundenen Teilworts und die phonetische Transkription des weiteren Bestandteils zusammengesetzt wird.
- Verfahren zur Sprachsynthese nach Anspruch 3, bei demder weitere Bestandteil im gegebenen Wort zwischen dem gefundenen Teilwort und dem gefundenen weiteren Teilwort angeordnet ist unddie OOV-Behandlung zur phonetischen Transkription des weiteren Bestandteils in Abhängigkeit der phonetischen Transkription des gefundenen Teilwortes und der phonetischen Transkription des gefundenen weiteren Teilworts erfolgt.
- Verfahren zur Sprachsynthese nach zumindest einem der vorstehenden Ansprüchen, bei demnur nach Teilwörtern gesucht wird, die mindestens eine vorgegebene Mindestlänge aufweisen.
- Verfahren zur Sprachsynthese nach zumindest einem der vorstehenden Ansprüche, bei demwenn für denselben Wortteil des gegebenen Wortteiles mehrere Teilwörter gefunden werden, von diesem das längste Teilwort ausgewählt wird.
- Verfahren zur Sprachsynthese nach zumindest einem der vorstehenden Ansprüche, bei demdie OOV-Behandlung zur phonetischen Transkription des weiteren Bestandteils mittels eines neuronalen Netzes erfolgt.
- Verfahren zur Sprachsynthese nach zumindest einem der vorstehenden Ansprüche, bei demdie OOV-Behandlung zur phonetischen Transkription des weiteren Bestandteils mittels eines regelbasierten Verfahrens erfolgt.
- Verfahren zur Sprachsynthese nach zumindest einem der vorstehenden Ansprüche, bei demdie OOV-Behandlung zur phonetischen Transkription des weiteren Bestandteils mittels einer zweiten Datenbank erfolgt, die die phonetischen Transkription von bei zusammengesetzten Wörtern üblicherweise verwendeten Füllpartikeln enthält.
- Anordnung zur Sprachsynthese mittels einer Graphem-Phonem-Umsetzung, die so ausgebildet ist,dass für ein gegebenes Wort in einer Datenbank, die phonetische Transkriptionen von Wörtern enthält, Teilwörter des gegebenen Wortes suchbar sind,mindestens ein Teilwort des gegebenen Wortes in der Datenbank auffindbar ist,dass für das gefundene Teilwort eine in der Datenbank verzeichnete phonetische Transkription auswählbar ist,wobei das gegebene Wort neben dem gefundenen Teilwort mindestens einen weiteren Bestandteil aufweist, der nicht in der Datenbank verzeichnet ist,dass dieser weitere Bestandteil mittels einer OOV-Behandlung phonetisch transkribierbar ist unddie phonetische Transkription des gefundenen Teilwortes und die phonetische Transkription des weiteren Bestandteils zusammensetzbar ist.
- Computerprogrammprodukt zur Sprachsynthese mittels einer Graphem-Phonem-Umsetzung, bei dem beim Ablauf auf zumindest einer Prozessoreinheitfür ein gegebenes Wort in einer Datenbank, die phonetische Transkriptionen von Wörtern enthält, nach Teilwörtern des gegebenen Wortes gesucht wird,mindestens ein Teilwort des gegebenen Wortes in der Datenbank gefunden wird,für das gefundene Teilwort eine in der Datenbank verzeichnete phonetische Transkription gewählt wird,das gegebene Wort neben dem gefundenen Teilwort mindestens einen weiteren Bestandteil aufweist, der nicht in der Datenbank verzeichnet ist,dieser weitere Bestandteil mittels einer OOV-Behandlung phonetisch transkribiert wird unddie phonetische Transkription des gefundenen Teilwortes und die phonetische Transkription des weiteren Bestandteils zusammengesetzt wird.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10042942 | 2000-08-31 | ||
DE10042942A DE10042942C2 (de) | 2000-08-31 | 2000-08-31 | Verfahren zur Sprachsynthese |
Publications (3)
Publication Number | Publication Date |
---|---|
EP1184838A2 true EP1184838A2 (de) | 2002-03-06 |
EP1184838A3 EP1184838A3 (de) | 2003-02-05 |
EP1184838B1 EP1184838B1 (de) | 2005-08-31 |
Family
ID=7654521
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP01113053A Expired - Lifetime EP1184838B1 (de) | 2000-08-31 | 2001-05-28 | Phonetische Übersetzung für die Sprachsynthese |
Country Status (4)
Country | Link |
---|---|
US (1) | US7333932B2 (de) |
EP (1) | EP1184838B1 (de) |
DE (2) | DE10042942C2 (de) |
ES (1) | ES2244523T3 (de) |
Families Citing this family (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4072718B2 (ja) * | 2002-11-21 | 2008-04-09 | ソニー株式会社 | 音声処理装置および方法、記録媒体並びにプログラム |
TWI233589B (en) * | 2004-03-05 | 2005-06-01 | Ind Tech Res Inst | Method for text-to-pronunciation conversion capable of increasing the accuracy by re-scoring graphemes likely to be tagged erroneously |
US7869999B2 (en) * | 2004-08-11 | 2011-01-11 | Nuance Communications, Inc. | Systems and methods for selecting from multiple phonectic transcriptions for text-to-speech synthesis |
TWI340330B (en) * | 2005-11-14 | 2011-04-11 | Ind Tech Res Inst | Method for text-to-pronunciation conversion |
DE102011118059A1 (de) | 2011-11-09 | 2013-05-16 | Elektrobit Automotive Gmbh | Technik zur Ausgabe eines akustischen Signals mittels eines Navigationssystems |
CN105206259A (zh) * | 2015-11-03 | 2015-12-30 | 常州工学院 | 一种语音转换方法 |
CN110619866A (zh) * | 2018-06-19 | 2019-12-27 | 普天信息技术有限公司 | 语音合成方法及装置 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5283833A (en) * | 1991-09-19 | 1994-02-01 | At&T Bell Laboratories | Method and apparatus for speech processing using morphology and rhyming |
US6094633A (en) * | 1993-03-26 | 2000-07-25 | British Telecommunications Public Limited Company | Grapheme to phoneme module for synthesizing speech alternately using pairs of four related data bases |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
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US5651095A (en) * | 1993-10-04 | 1997-07-22 | British Telecommunications Public Limited Company | Speech synthesis using word parser with knowledge base having dictionary of morphemes with binding properties and combining rules to identify input word class |
DE4440598C1 (de) * | 1994-11-14 | 1996-05-23 | Siemens Ag | Durch gesprochene Worte steuerbares Hypertext-Navigationssystem, Hypertext-Dokument für dieses Navigationssystem und Verfahren zur Erzeugung eines derartigen Dokuments |
DE19500494C2 (de) * | 1995-01-10 | 1997-01-23 | Siemens Ag | Merkmalsextraktionsverfahren für ein Sprachsignal |
DE19636739C1 (de) * | 1996-09-10 | 1997-07-03 | Siemens Ag | Verfahren zur Mehrsprachenverwendung eines hidden Markov Lautmodelles in einem Spracherkennungssystem |
DE19719381C1 (de) * | 1997-05-07 | 1998-01-22 | Siemens Ag | Verfahren zur Spracherkennung durch einen Rechner |
US5913194A (en) * | 1997-07-14 | 1999-06-15 | Motorola, Inc. | Method, device and system for using statistical information to reduce computation and memory requirements of a neural network based speech synthesis system |
US6108627A (en) * | 1997-10-31 | 2000-08-22 | Nortel Networks Corporation | Automatic transcription tool |
US6076060A (en) * | 1998-05-01 | 2000-06-13 | Compaq Computer Corporation | Computer method and apparatus for translating text to sound |
US6188984B1 (en) * | 1998-11-17 | 2001-02-13 | Fonix Corporation | Method and system for syllable parsing |
US6208968B1 (en) * | 1998-12-16 | 2001-03-27 | Compaq Computer Corporation | Computer method and apparatus for text-to-speech synthesizer dictionary reduction |
DE10042944C2 (de) * | 2000-08-31 | 2003-03-13 | Siemens Ag | Graphem-Phonem-Konvertierung |
-
2000
- 2000-08-31 DE DE10042942A patent/DE10042942C2/de not_active Expired - Fee Related
-
2001
- 2001-05-28 ES ES01113053T patent/ES2244523T3/es not_active Expired - Lifetime
- 2001-05-28 DE DE50107259T patent/DE50107259D1/de not_active Expired - Lifetime
- 2001-05-28 EP EP01113053A patent/EP1184838B1/de not_active Expired - Lifetime
- 2001-08-31 US US09/942,736 patent/US7333932B2/en not_active Expired - Fee Related
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
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US5283833A (en) * | 1991-09-19 | 1994-02-01 | At&T Bell Laboratories | Method and apparatus for speech processing using morphology and rhyming |
US6094633A (en) * | 1993-03-26 | 2000-07-25 | British Telecommunications Public Limited Company | Grapheme to phoneme module for synthesizing speech alternately using pairs of four related data bases |
Non-Patent Citations (5)
Title |
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BAGSHAW P C: "PHONEMIC TRANSCRIPTION BY ANALOGY IN TEXT-TO-SPEECH SYNTHESIS: NOVEL WORD PRONUNCIATION AND LEXICON COMPRESSION" COMPUTER SPEECH AND LANGUAGE, ACADEMIC PRESS, LONDON, GB, Bd. 12, Nr. 2, 1. April 1998 (1998-04-01), Seiten 119-142, XP000766377 ISSN: 0885-2308 * |
DAELEMANS W.: 'GRAFON: A Grapheme-to-Phoneme Conversion System for Dutch' PROC. 12TH INT. CONF. ON COMPUTATIONAL LINGUISTICS COLING-88 1988, BUDAPEST, HUNGARY, Seiten 133 - 138 * |
DUTOIT T: "Introduction To Text-To-Speech Synthesis ntroduction To Text-To-Speech Synthesis" , AN INTRODUCTION TO TEXT-TO-SPEECH SYNTHESIS, TEXT, SPEECH AND LANGUAGE TECHNOLOGY VOL. 3, DORDRECHT: KLUWER ACADEMIC PUBL, NL, PAGE(S) 115-125 XP002157980 ISBN: 0-7923-4498-7 * Seite 115 - Seite 125 * * |
HAIN H: "Automation of the Training Procedures for Neural Networks Performing Multi-Lingual Grapheme to Phoneme Conversion" PROC. OF EUROSPEECH '99, INTERNATIONAL SPEECH COMMUNICATION ASSOCIATION, Bd. 5, 6. - 9. September 1999, Seiten 2087-2090, XP002223264 Budapest, Ungarn * |
HAIN H: "Ein hybrider Ansatz zur Graphem-Phonem-Konvertierung unter Verwendung eines Lexikons und eines neuronalen Netzes" ELEKTRONISCHE SPRACHSIGNALVERARBEITUNG, ELFTE KONFERENZ, TAGUNGSBAND, W.E.B. UNIVERSIT[TSVERLAG, 4. - 6. September 2000, Seiten 160-167, XP002223265 Cottbus, Deutschland * |
Also Published As
Publication number | Publication date |
---|---|
US7333932B2 (en) | 2008-02-19 |
DE10042942A1 (de) | 2002-03-28 |
EP1184838B1 (de) | 2005-08-31 |
ES2244523T3 (es) | 2005-12-16 |
DE50107259D1 (de) | 2005-10-06 |
DE10042942C2 (de) | 2003-05-08 |
US20020026313A1 (en) | 2002-02-28 |
EP1184838A3 (de) | 2003-02-05 |
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