DE602004021438D1 - Sprachdekodierung - Google Patents
SprachdekodierungInfo
- Publication number
- DE602004021438D1 DE602004021438D1 DE602004021438T DE602004021438T DE602004021438D1 DE 602004021438 D1 DE602004021438 D1 DE 602004021438D1 DE 602004021438 T DE602004021438 T DE 602004021438T DE 602004021438 T DE602004021438 T DE 602004021438T DE 602004021438 D1 DE602004021438 D1 DE 602004021438D1
- Authority
- DE
- Germany
- Prior art keywords
- bits
- bit stream
- voicing
- pitch
- information
- 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.)
- Expired - Lifetime
Links
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
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/005—Correction of errors induced by the transmission channel, if related to the coding algorithm
-
- 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
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/16—Vocoder architecture
- G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
-
- 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
- G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
- G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
- G10L19/08—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters
- G10L19/087—Determination or coding of the excitation function; Determination or coding of the long-term prediction parameters using mixed excitation models, e.g. MELP, MBE, split band LPC or HVXC
Landscapes
- Engineering & Computer Science (AREA)
- Computational Linguistics (AREA)
- Signal Processing (AREA)
- Health & Medical Sciences (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Human Computer Interaction (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Error Detection And Correction (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Container Filling Or Packaging Operations (AREA)
- Led Device Packages (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/402,938 US8359197B2 (en) | 2003-04-01 | 2003-04-01 | Half-rate vocoder |
Publications (1)
Publication Number | Publication Date |
---|---|
DE602004021438D1 true DE602004021438D1 (de) | 2009-07-16 |
Family
ID=32850558
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE602004021438T Expired - Lifetime DE602004021438D1 (de) | 2003-04-01 | 2004-03-26 | Sprachdekodierung |
DE602004003610T Expired - Lifetime DE602004003610T2 (de) | 2003-04-01 | 2004-03-26 | Halbrätiger Vocoder |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE602004003610T Expired - Lifetime DE602004003610T2 (de) | 2003-04-01 | 2004-03-26 | Halbrätiger Vocoder |
Country Status (6)
Country | Link |
---|---|
US (2) | US8359197B2 (de) |
EP (2) | EP1465158B1 (de) |
JP (1) | JP2004310088A (de) |
AT (2) | ATE348387T1 (de) |
CA (1) | CA2461704C (de) |
DE (2) | DE602004021438D1 (de) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US7970606B2 (en) | 2002-11-13 | 2011-06-28 | Digital Voice Systems, Inc. | Interoperable vocoder |
US7634399B2 (en) * | 2003-01-30 | 2009-12-15 | Digital Voice Systems, Inc. | Voice transcoder |
US8359197B2 (en) * | 2003-04-01 | 2013-01-22 | Digital Voice Systems, Inc. | Half-rate vocoder |
US8135362B2 (en) * | 2005-03-07 | 2012-03-13 | Symstream Technology Holdings Pty Ltd | Symbol stream virtual radio organism method and apparatus |
FR2891100B1 (fr) * | 2005-09-22 | 2008-10-10 | Georges Samake | Codec audio utilisant la transformation de fourier rapide, le recouvrement partiel et une decomposition en deux plans basee sur l'energie. |
CN1964244B (zh) * | 2005-11-08 | 2010-04-07 | 厦门致晟科技有限公司 | 一种用声码器收发数字信号的方法 |
US20080243518A1 (en) * | 2006-11-16 | 2008-10-02 | Alexey Oraevsky | System And Method For Compressing And Reconstructing Audio Files |
US8036886B2 (en) * | 2006-12-22 | 2011-10-11 | Digital Voice Systems, Inc. | Estimation of pulsed speech model parameters |
US7979095B2 (en) * | 2007-10-20 | 2011-07-12 | Airbiquity, Inc. | Wireless in-band signaling with in-vehicle systems |
AU2009220341B2 (en) * | 2008-03-04 | 2011-09-22 | Lg Electronics Inc. | Method and apparatus for processing an audio signal |
US8594138B2 (en) | 2008-09-15 | 2013-11-26 | Airbiquity Inc. | Methods for in-band signaling through enhanced variable-rate codecs |
US8265020B2 (en) * | 2008-11-12 | 2012-09-11 | Microsoft Corporation | Cognitive error control coding for channels with memory |
GB2466673B (en) | 2009-01-06 | 2012-11-07 | Skype | Quantization |
GB2466674B (en) | 2009-01-06 | 2013-11-13 | Skype | Speech coding |
GB2466675B (en) * | 2009-01-06 | 2013-03-06 | Skype | Speech coding |
GB2466670B (en) * | 2009-01-06 | 2012-11-14 | Skype | Speech encoding |
GB2466671B (en) * | 2009-01-06 | 2013-03-27 | Skype | Speech encoding |
GB2466669B (en) * | 2009-01-06 | 2013-03-06 | Skype | Speech coding |
GB2466672B (en) * | 2009-01-06 | 2013-03-13 | Skype | Speech coding |
US8036600B2 (en) | 2009-04-27 | 2011-10-11 | Airbiquity, Inc. | Using a bluetooth capable mobile phone to access a remote network |
US8418039B2 (en) | 2009-08-03 | 2013-04-09 | Airbiquity Inc. | Efficient error correction scheme for data transmission in a wireless in-band signaling system |
US8452606B2 (en) * | 2009-09-29 | 2013-05-28 | Skype | Speech encoding using multiple bit rates |
US8249865B2 (en) * | 2009-11-23 | 2012-08-21 | Airbiquity Inc. | Adaptive data transmission for a digital in-band modem operating over a voice channel |
EP2375409A1 (de) | 2010-04-09 | 2011-10-12 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audiocodierer, Audiodecodierer und zugehörige Verfahren zur Verarbeitung von Mehrkanal-Audiosignalen mithilfe einer komplexen Vorhersage |
KR101247652B1 (ko) * | 2011-08-30 | 2013-04-01 | 광주과학기술원 | 잡음 제거 장치 및 방법 |
US8848825B2 (en) | 2011-09-22 | 2014-09-30 | Airbiquity Inc. | Echo cancellation in wireless inband signaling modem |
US9275644B2 (en) * | 2012-01-20 | 2016-03-01 | Qualcomm Incorporated | Devices for redundant frame coding and decoding |
IL294836A (en) * | 2013-04-05 | 2022-09-01 | Dolby Int Ab | Audio encoder and decoder |
US9418671B2 (en) * | 2013-08-15 | 2016-08-16 | Huawei Technologies Co., Ltd. | Adaptive high-pass post-filter |
US11270714B2 (en) | 2020-01-08 | 2022-03-08 | Digital Voice Systems, Inc. | Speech coding using time-varying interpolation |
US20230005498A1 (en) * | 2021-07-02 | 2023-01-05 | Digital Voice Systems, Inc. | Detecting and Compensating for the Presence of a Speaker Mask in a Speech Signal |
US11990144B2 (en) | 2021-07-28 | 2024-05-21 | Digital Voice Systems, Inc. | Reducing perceived effects of non-voice data in digital speech |
US20230326473A1 (en) * | 2022-04-08 | 2023-10-12 | Digital Voice Systems, Inc. | Tone Frame Detector for Digital Speech |
Family Cites Families (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR1602217A (de) * | 1968-12-16 | 1970-10-26 | ||
US3903366A (en) * | 1974-04-23 | 1975-09-02 | Us Navy | Application of simultaneous voice/unvoice excitation in a channel vocoder |
US5086475A (en) * | 1988-11-19 | 1992-02-04 | Sony Corporation | Apparatus for generating, recording or reproducing sound source data |
JPH0351900A (ja) | 1989-07-20 | 1991-03-06 | Fujitsu Ltd | エラー処理方式 |
US5081681B1 (en) * | 1989-11-30 | 1995-08-15 | Digital Voice Systems Inc | Method and apparatus for phase synthesis for speech processing |
US5216747A (en) * | 1990-09-20 | 1993-06-01 | Digital Voice Systems, Inc. | Voiced/unvoiced estimation of an acoustic signal |
US5226108A (en) * | 1990-09-20 | 1993-07-06 | Digital Voice Systems, Inc. | Processing a speech signal with estimated pitch |
US5664051A (en) * | 1990-09-24 | 1997-09-02 | Digital Voice Systems, Inc. | Method and apparatus for phase synthesis for speech processing |
US5247579A (en) * | 1990-12-05 | 1993-09-21 | Digital Voice Systems, Inc. | Methods for speech transmission |
US5226084A (en) * | 1990-12-05 | 1993-07-06 | Digital Voice Systems, Inc. | Methods for speech quantization and error correction |
US5630011A (en) * | 1990-12-05 | 1997-05-13 | Digital Voice Systems, Inc. | Quantization of harmonic amplitudes representing speech |
JP3277398B2 (ja) * | 1992-04-15 | 2002-04-22 | ソニー株式会社 | 有声音判別方法 |
JP3343965B2 (ja) | 1992-10-31 | 2002-11-11 | ソニー株式会社 | 音声符号化方法及び復号化方法 |
US5517511A (en) * | 1992-11-30 | 1996-05-14 | Digital Voice Systems, Inc. | Digital transmission of acoustic signals over a noisy communication channel |
US5649050A (en) * | 1993-03-15 | 1997-07-15 | Digital Voice Systems, Inc. | Apparatus and method for maintaining data rate integrity of a signal despite mismatch of readiness between sequential transmission line components |
CA2179194A1 (en) * | 1993-12-16 | 1995-06-29 | Andrew Wilson Howitt | System and method for performing voice compression |
US5715365A (en) * | 1994-04-04 | 1998-02-03 | Digital Voice Systems, Inc. | Estimation of excitation parameters |
AU696092B2 (en) * | 1995-01-12 | 1998-09-03 | Digital Voice Systems, Inc. | Estimation of excitation parameters |
US5701390A (en) * | 1995-02-22 | 1997-12-23 | Digital Voice Systems, Inc. | Synthesis of MBE-based coded speech using regenerated phase information |
US5754974A (en) * | 1995-02-22 | 1998-05-19 | Digital Voice Systems, Inc | Spectral magnitude representation for multi-band excitation speech coders |
WO1997027578A1 (en) * | 1996-01-26 | 1997-07-31 | Motorola Inc. | Very low bit rate time domain speech analyzer for voice messaging |
EP0913034A2 (de) | 1996-07-17 | 1999-05-06 | Université de Sherbrooke | Verbesserte dtmf- und signalisierungstönenkodierung |
US5968199A (en) | 1996-12-18 | 1999-10-19 | Ericsson Inc. | High performance error control decoder |
US6161089A (en) * | 1997-03-14 | 2000-12-12 | Digital Voice Systems, Inc. | Multi-subframe quantization of spectral parameters |
US6131084A (en) | 1997-03-14 | 2000-10-10 | Digital Voice Systems, Inc. | Dual subframe quantization of spectral magnitudes |
JPH11122120A (ja) * | 1997-10-17 | 1999-04-30 | Sony Corp | 符号化方法及び装置、並びに復号化方法及び装置 |
DE19747132C2 (de) * | 1997-10-24 | 2002-11-28 | Fraunhofer Ges Forschung | Verfahren und Vorrichtungen zum Codieren von Audiosignalen sowie Verfahren und Vorrichtungen zum Decodieren eines Bitstroms |
US6199037B1 (en) * | 1997-12-04 | 2001-03-06 | Digital Voice Systems, Inc. | Joint quantization of speech subframe voicing metrics and fundamental frequencies |
US6064955A (en) * | 1998-04-13 | 2000-05-16 | Motorola | Low complexity MBE synthesizer for very low bit rate voice messaging |
AU6533799A (en) | 1999-01-11 | 2000-07-13 | Lucent Technologies Inc. | Method for transmitting data in wireless speech channels |
JP2000308167A (ja) * | 1999-04-20 | 2000-11-02 | Mitsubishi Electric Corp | 音声符号化装置 |
JP4218134B2 (ja) * | 1999-06-17 | 2009-02-04 | ソニー株式会社 | 復号装置及び方法、並びにプログラム提供媒体 |
US6496798B1 (en) * | 1999-09-30 | 2002-12-17 | Motorola, Inc. | Method and apparatus for encoding and decoding frames of voice model parameters into a low bit rate digital voice message |
US6963833B1 (en) * | 1999-10-26 | 2005-11-08 | Sasken Communication Technologies Limited | Modifications in the multi-band excitation (MBE) model for generating high quality speech at low bit rates |
US6377916B1 (en) * | 1999-11-29 | 2002-04-23 | Digital Voice Systems, Inc. | Multiband harmonic transform coder |
US6675148B2 (en) * | 2001-01-05 | 2004-01-06 | Digital Voice Systems, Inc. | Lossless audio coder |
US6912495B2 (en) * | 2001-11-20 | 2005-06-28 | Digital Voice Systems, Inc. | Speech model and analysis, synthesis, and quantization methods |
US20030135374A1 (en) * | 2002-01-16 | 2003-07-17 | Hardwick John C. | Speech synthesizer |
US7970606B2 (en) * | 2002-11-13 | 2011-06-28 | Digital Voice Systems, Inc. | Interoperable vocoder |
US7634399B2 (en) * | 2003-01-30 | 2009-12-15 | Digital Voice Systems, Inc. | Voice transcoder |
US8359197B2 (en) * | 2003-04-01 | 2013-01-22 | Digital Voice Systems, Inc. | Half-rate vocoder |
-
2003
- 2003-04-01 US US10/402,938 patent/US8359197B2/en active Active
-
2004
- 2004-03-22 CA CA2461704A patent/CA2461704C/en not_active Expired - Lifetime
- 2004-03-26 AT AT04251796T patent/ATE348387T1/de not_active IP Right Cessation
- 2004-03-26 DE DE602004021438T patent/DE602004021438D1/de not_active Expired - Lifetime
- 2004-03-26 EP EP04251796A patent/EP1465158B1/de not_active Expired - Lifetime
- 2004-03-26 DE DE602004003610T patent/DE602004003610T2/de not_active Expired - Lifetime
- 2004-03-26 AT AT06076855T patent/ATE433183T1/de not_active IP Right Cessation
- 2004-03-26 EP EP06076855A patent/EP1748425B1/de not_active Expired - Lifetime
- 2004-03-31 JP JP2004101889A patent/JP2004310088A/ja active Pending
-
2013
- 2013-01-18 US US13/744,569 patent/US8595002B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
US20050278169A1 (en) | 2005-12-15 |
EP1465158B1 (de) | 2006-12-13 |
DE602004003610T2 (de) | 2007-04-05 |
CA2461704C (en) | 2010-12-21 |
DE602004003610D1 (de) | 2007-01-25 |
EP1465158A2 (de) | 2004-10-06 |
EP1748425A3 (de) | 2007-05-09 |
ATE433183T1 (de) | 2009-06-15 |
EP1748425B1 (de) | 2009-06-03 |
JP2004310088A (ja) | 2004-11-04 |
EP1748425A2 (de) | 2007-01-31 |
EP1465158A3 (de) | 2005-09-21 |
US8595002B2 (en) | 2013-11-26 |
US8359197B2 (en) | 2013-01-22 |
ATE348387T1 (de) | 2007-01-15 |
US20130144613A1 (en) | 2013-06-06 |
CA2461704A1 (en) | 2004-10-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE602004021438D1 (de) | Sprachdekodierung | |
ATE373857T1 (de) | Interoperable sprachkodierung | |
TW200711323A (en) | Soft decoding method and apparatus, error correction method and apparatus, and soft output method and apparatus | |
ATE270795T1 (de) | Turbo produktkode decodierer | |
JP2004310088A5 (de) | ||
BRPI0610909A2 (pt) | codificador/decodificador de voz em sub-bandas com dicionÁrios de càdigos multiestÁgios e codificaÇço redundante | |
IL169442A0 (en) | Conversion of spectral components for encoding and low-complexity transcoding | |
ATE433182T1 (de) | Audiokodierung und audiodekodierung | |
JP2008546021A5 (de) | ||
ZA200302556B (en) | Method and system for speech frame error concealment in speech decoding. | |
ATE391988T1 (de) | Verfahren zum codieren eines digitalen signals in einen skalierbaren bitstrom, verfahren zum decodieren eines skalierbaren bitstroms | |
ATE459868T1 (de) | Verfahren und vorrichtung zur verlustlosen codierung eines quellensignals unter verwendung eines verlustbehaftet codierten datenstroms und eines verlustlosen erweiterungsdatenstroms | |
ATE422115T1 (de) | Verlustlose codierung von informationen mit garantierter maximaler bitrate | |
FR2849727B1 (fr) | Procede de codage et de decodage audio a debit variable | |
TW200606662A (en) | Method to encode a XML-document, method to decode, method to encode and decode, encoding device, decoding device and device to encode and decode | |
DE602005008574D1 (de) | Hierarchische kodierungsanordnung und hierarchisches kodierungsverfahren | |
TW200641907A (en) | Digital decoder and applications thereof | |
EP4336503A3 (de) | Audiocodierer, audiodecodierer, verfahren und computerprogramme zur anpassung einer codierung und decodierung von am wenigsten signifikanten bits | |
UA71024C2 (uk) | Спосіб перетворення потоку бітів двійкового інформаційного сигналу у потік бітів двійкового канального сигналу, що підпорядковується певним обмеженням, пристрій для кодування, сигнал, який включає в себе потік бітів двійкового канального сигналу, що підпорядковується певним обмеженням, носій запису, спосіб декодування, пристрій для декодування | |
RU97117474A (ru) | Устройство для измерения коэффициента ошибок в битах с помощью декодера витерби | |
TW200631428A (en) | Method of converting a user bitstream into coded bitstream, method for detecting a synchronization pattern in a signal, a record carrier, a signal, a recording device and a playback device all using a freely insertable synchronization pattern | |
JP2010034976A5 (de) | ||
ATE219306T1 (de) | Turbo-code dekodierer | |
Wang | Speech coding | |
EP4336502A3 (de) | Audiocodierer, audiodecodierer, verfahren und computerprogramme zur anpassung einer codierung und decodierung von am wenigsten signifikanten bits |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition |