ATE433183T1 - Sprachdekodierung - Google Patents

Sprachdekodierung

Info

Publication number
ATE433183T1
ATE433183T1 AT06076855T AT06076855T ATE433183T1 AT E433183 T1 ATE433183 T1 AT E433183T1 AT 06076855 T AT06076855 T AT 06076855T AT 06076855 T AT06076855 T AT 06076855T AT E433183 T1 ATE433183 T1 AT E433183T1
Authority
AT
Austria
Prior art keywords
bits
bit stream
voicing
pitch
information
Prior art date
Application number
AT06076855T
Other languages
English (en)
Inventor
John C Hardwick
Original Assignee
Digital Voice Systems Inc
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Digital Voice Systems Inc filed Critical Digital Voice Systems Inc
Application granted granted Critical
Publication of ATE433183T1 publication Critical patent/ATE433183T1/de

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)
  • Container Filling Or Packaging Operations (AREA)
  • Led Device Packages (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
AT06076855T 2003-04-01 2004-03-26 Sprachdekodierung ATE433183T1 (de)

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
ATE433183T1 true ATE433183T1 (de) 2009-06-15

Family

ID=32850558

Family Applications (2)

Application Number Title Priority Date Filing Date
AT06076855T ATE433183T1 (de) 2003-04-01 2004-03-26 Sprachdekodierung
AT04251796T ATE348387T1 (de) 2003-04-01 2004-03-26 Halbrätiger vocoder

Family Applications After (1)

Application Number Title Priority Date Filing Date
AT04251796T ATE348387T1 (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) ATE433183T1 (de)
CA (1) CA2461704C (de)
DE (2) DE602004003610T2 (de)

Families Citing this family (35)

* 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
JP5185390B2 (ja) * 2007-10-20 2013-04-17 エアビクティ インコーポレイテッド 車載システムによる無線帯域内シグナリング方法及びシステム
ES2464722T3 (es) * 2008-03-04 2014-06-03 Lg Electronics Inc. Método y aparato para procesar una señal de audio
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
GB2466669B (en) * 2009-01-06 2013-03-06 Skype Speech coding
GB2466673B (en) * 2009-01-06 2012-11-07 Skype Quantization
GB2466674B (en) 2009-01-06 2013-11-13 Skype Speech coding
GB2466671B (en) * 2009-01-06 2013-03-27 Skype Speech encoding
GB2466670B (en) * 2009-01-06 2012-11-14 Skype Speech encoding
GB2466672B (en) * 2009-01-06 2013-03-13 Skype Speech coding
GB2466675B (en) 2009-01-06 2013-03-06 Skype Speech coding
US8073440B2 (en) 2009-04-27 2011-12-06 Airbiquity, Inc. Automatic gain control in a personal navigation device
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
KR102383819B1 (ko) 2013-04-05 2022-04-08 돌비 인터네셔널 에이비 오디오 인코더 및 디코더
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
US12694884B2 (en) 2024-04-24 2026-07-28 Digital Voice Systems, Inc. Voicing smoother

Family Cites Families (41)

* Cited by examiner, † Cited by third party
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
US5226108A (en) * 1990-09-20 1993-07-06 Digital Voice Systems, Inc. Processing a speech signal with estimated pitch
US5216747A (en) * 1990-09-20 1993-06-01 Digital Voice Systems, Inc. Voiced/unvoiced estimation of an acoustic signal
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
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
CA2258183A1 (en) 1996-07-17 1998-01-29 Universite 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
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

Also Published As

Publication number Publication date
EP1465158A2 (de) 2004-10-06
CA2461704A1 (en) 2004-10-01
ATE348387T1 (de) 2007-01-15
CA2461704C (en) 2010-12-21
DE602004003610T2 (de) 2007-04-05
JP2004310088A (ja) 2004-11-04
DE602004003610D1 (de) 2007-01-25
EP1748425A2 (de) 2007-01-31
US8359197B2 (en) 2013-01-22
US20130144613A1 (en) 2013-06-06
DE602004021438D1 (de) 2009-07-16
US8595002B2 (en) 2013-11-26
US20050278169A1 (en) 2005-12-15
EP1465158A3 (de) 2005-09-21
EP1748425B1 (de) 2009-06-03
EP1748425A3 (de) 2007-05-09
EP1465158B1 (de) 2006-12-13

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
JP2004310088A5 (de)
ATE270795T1 (de) Turbo produktkode decodierer
DE602004010885D1 (de) Audio-transkodierung
EP1886306A4 (de) Subband-sprach-codec mit mehrstufigen codebüchern und redundanter codierung
JP2008546021A5 (de)
DK1879179T3 (da) Fremgangsmåde og anordning til kodning af audiodata baseret på vektorkvantisering
DE602004024591D1 (de) Unter verwendung spektraler ähnlichkeit
EP2154681A3 (de) Verfahren und Vorrichtung zur Sprachdekodierung
CA2273169A1 (en) Variable length decoder and decoding method
DE602007005119D1 (de) Verfahren und vorrichtung zur verlustlosen codierung eines quellensignals unter verwendung eines verlustbehaftet codierten datenstroms und eines verlustlosen erweiterungsdatenstroms
BRPI0409970A (pt) método e codificador para codificar um sinal de som amostrado, método e decodificador para decodificar um fluxo de bit representativo de um sinal de som amostrado, fluxo de bit representativo de um sinal de som amostrado, telefone celular, sistema de comunicação de fala, e, programa de computador
US20080154588A1 (en) Speech Coding System to Improve Packet Loss Concealment
NO20075772L (no) Tapsfri koding av informasjon med garantert maksimal bit-hastighet
ATE400927T1 (de) Optimierte codeverschachtelung digitaler signale
DE602005008574D1 (de) Hierarchische kodierungsanordnung und hierarchisches kodierungsverfahren
WO2006109251A3 (en) Voice conversion
CA2239294A1 (en) Methods and apparatus for efficient quantization of gain parameters in glpas speech coders
TW200705825A (en) System and method for blind transport format detection with cyclic redundancy check
CA2521445A1 (en) Code conversion method and apparatus
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
Wang Source Coding Basics and Speech Coding
FR2869151B1 (fr) Procede de quantification d'un codeur de parole a tres bas debit

Legal Events

Date Code Title Description
RER Ceased as to paragraph 5 lit. 3 law introducing patent treaties