JP2004310088A5 - - Google Patents

Download PDF

Info

Publication number
JP2004310088A5
JP2004310088A5 JP2004101889A JP2004101889A JP2004310088A5 JP 2004310088 A5 JP2004310088 A5 JP 2004310088A5 JP 2004101889 A JP2004101889 A JP 2004101889A JP 2004101889 A JP2004101889 A JP 2004101889A JP 2004310088 A5 JP2004310088 A5 JP 2004310088A5
Authority
JP
Japan
Prior art keywords
bits
frame
bit
utterance
codeword
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.)
Pending
Application number
JP2004101889A
Other languages
English (en)
Japanese (ja)
Other versions
JP2004310088A (ja
Filing date
Publication date
Priority claimed from US10/402,938 external-priority patent/US8359197B2/en
Application filed filed Critical
Publication of JP2004310088A publication Critical patent/JP2004310088A/ja
Publication of JP2004310088A5 publication Critical patent/JP2004310088A5/ja
Pending legal-status Critical Current

Links

JP2004101889A 2003-04-01 2004-03-31 半レート・ボコーダ Pending JP2004310088A (ja)

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 (2)

Publication Number Publication Date
JP2004310088A JP2004310088A (ja) 2004-11-04
JP2004310088A5 true JP2004310088A5 (https=) 2007-05-24

Family

ID=32850558

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2004101889A Pending JP2004310088A (ja) 2003-04-01 2004-03-31 半レート・ボコーダ

Country Status (6)

Country Link
US (2) US8359197B2 (https=)
EP (2) EP1465158B1 (https=)
JP (1) JP2004310088A (https=)
AT (2) ATE433183T1 (https=)
CA (1) CA2461704C (https=)
DE (2) DE602004003610T2 (https=)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
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
MX2010003700A (es) * 2007-10-20 2010-04-21 Airbiquity Inc Se?alizacion en banda inalambrica con sistemas instalados en un vehiculo.
RU2452042C1 (ru) * 2008-03-04 2012-05-27 ЭлДжи ЭЛЕКТРОНИКС ИНК. Способ и устройство для обработки аудиосигнала
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
GB2466672B (en) * 2009-01-06 2013-03-13 Skype Speech coding
GB2466669B (en) * 2009-01-06 2013-03-06 Skype Speech coding
GB2466670B (en) * 2009-01-06 2012-11-14 Skype Speech encoding
GB2466675B (en) 2009-01-06 2013-03-06 Skype Speech coding
GB2466674B (en) 2009-01-06 2013-11-13 Skype Speech coding
GB2466671B (en) * 2009-01-06 2013-03-27 Skype Speech encoding
GB2466673B (en) * 2009-01-06 2012-11-07 Skype Quantization
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 (en) 2010-04-09 2011-10-12 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder, audio decoder and related methods for processing multi-channel audio signals using complex prediction
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
CA2908625C (en) 2013-04-05 2017-10-03 Dolby International 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
US12254895B2 (en) * 2021-07-02 2025-03-18 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
US12451151B2 (en) * 2022-04-08 2025-10-21 Digital Voice Systems, Inc. Tone frame detector for digital speech
US12462814B2 (en) 2023-10-06 2025-11-04 Digital Voice Systems, Inc. Bit error correction in digital speech

Family Cites Families (41)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR1602217A (https=) * 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
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
US5247579A (en) * 1990-12-05 1993-09-21 Digital Voice Systems, Inc. Methods for speech transmission
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
DE69430872T2 (de) * 1993-12-16 2003-02-20 Voice Compression Technologies Inc., Boston System und verfahren zur sprachkompression
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
US5754974A (en) * 1995-02-22 1998-05-19 Digital Voice Systems, Inc Spectral magnitude representation for multi-band excitation speech coders
US5701390A (en) * 1995-02-22 1997-12-23 Digital Voice Systems, Inc. Synthesis of MBE-based coded speech using regenerated phase information
WO1997027578A1 (en) * 1996-01-26 1997-07-31 Motorola Inc. Very low bit rate time domain speech analyzer for voice messaging
EP0913034A2 (en) 1996-07-17 1999-05-06 Université de Sherbrooke Enhanced encoding of dtmf and other signalling tones
US5968199A (en) 1996-12-18 1999-10-19 Ericsson Inc. High performance error control decoder
US6131084A (en) 1997-03-14 2000-10-10 Digital Voice Systems, Inc. Dual subframe quantization of spectral magnitudes
US6161089A (en) * 1997-03-14 2000-12-12 Digital Voice Systems, Inc. Multi-subframe quantization of spectral parameters
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

Similar Documents

Publication Publication Date Title
JP2004310088A5 (https=)
CA2461704A1 (en) Method of encoding and decoding speech using pitch, voicing and/or gain bits
CA2447735A1 (en) Interoperable vocoder
JP4916521B2 (ja) 音声復号化方法及び音声符号化方法及び音声復号化装置及び音声符号化装置
RU2020125468A (ru) Способ и система для кодирования стереофонического звукового сигнала с использованием параметров кодирования первичного канала для кодирования вторичного канала
CN1121683C (zh) 语音编码
CY1114289T1 (el) Διακωδικοποιηση ηχου χαμηλης περιπλοκοτητας
MY141174A (en) Method and device for robust predictiving vector quantization of linear prediction parameters in variable bit rate speech coding
RU2013102794A (ru) Избирательный басовый постфильтр
JP4445328B2 (ja) 音声・楽音復号化装置および音声・楽音復号化方法
CN1144177C (zh) 产生语音编码器用八分之一速率随机数的方法和装置
CN1826634A (zh) 低比特率音频编码
CN1193159A (zh) 语音编码译码方法和装置、电话装置、音调变换方法和介质
CN104584123B (zh) 解码方法、以及解码装置
CA2305972A1 (en) Shaped fixed codebook search for celp speech coding
Nordin et al. A speech spectrum distortion measure with interframe memory
CN101145343B (zh) 一种用于音频处理框架中的编码和解码方法
JP2004094132A (ja) データレート変換方法及びデータレート変換装置
CN1841499A (zh) 代码转换装置和方法
da Silva et al. Differential coding of speech LSF parameters using hybrid vector quantization and bidirectional prediction
Deepak et al. Trajectory and surface modeling of LSF for low rate speech coding
Chétry et al. Embedding side information into a speech codec residual
JP4170288B2 (ja) 音声符号化方法及び音声符号化装置
JPH09120300A (ja) ベクトル量子化装置
Gao et al. A speech coding error control transmission scheme based on UEP for bandwidth-limited channels