DE60038279D1 - Beitband Sprachkodierung mit parametrischer Kodierung des Hochfrequenzanteils - Google Patents

Beitband Sprachkodierung mit parametrischer Kodierung des Hochfrequenzanteils

Info

Publication number
DE60038279D1
DE60038279D1 DE60038279T DE60038279T DE60038279D1 DE 60038279 D1 DE60038279 D1 DE 60038279D1 DE 60038279 T DE60038279 T DE 60038279T DE 60038279 T DE60038279 T DE 60038279T DE 60038279 D1 DE60038279 D1 DE 60038279D1
Authority
DE
Germany
Prior art keywords
coding
subband
beitband
high frequency
frequency component
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
Application number
DE60038279T
Other languages
English (en)
Other versions
DE60038279T2 (de
Inventor
Erdal Parsoy
V Alan Mccree
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Texas Instruments Inc
Original Assignee
Texas Instruments 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 Texas Instruments Inc filed Critical Texas Instruments Inc
Publication of DE60038279D1 publication Critical patent/DE60038279D1/de
Application granted granted Critical
Publication of DE60038279T2 publication Critical patent/DE60038279T2/de
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G10L19/0204—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 spectral analysis, e.g. transform vocoders or subband vocoders using subband decomposition
    • G10L19/0208—Subband vocoders
    • 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
    • G10L21/00—Speech or voice signal processing techniques to produce another audible or non-audible signal, e.g. visual or tactile, in order to modify its quality or its intelligibility
    • G10L21/02—Speech enhancement, e.g. noise reduction or echo cancellation
    • G10L21/038—Speech enhancement, e.g. noise reduction or echo cancellation using band spreading techniques

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Quality & Reliability (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Magnetic Treatment Devices (AREA)
DE60038279T 1999-12-21 2000-12-13 Beitband Sprachkodierung mit parametrischer Kodierung des Hochfrequenzanteils Expired - Lifetime DE60038279T2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US17139399P 1999-12-21 1999-12-21
US171393P 1999-12-21

Publications (2)

Publication Number Publication Date
DE60038279D1 true DE60038279D1 (de) 2008-04-24
DE60038279T2 DE60038279T2 (de) 2009-03-12

Family

ID=22623577

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60038279T Expired - Lifetime DE60038279T2 (de) 1999-12-21 2000-12-13 Beitband Sprachkodierung mit parametrischer Kodierung des Hochfrequenzanteils

Country Status (5)

Country Link
US (1) US7260523B2 (de)
EP (1) EP1111589B1 (de)
JP (1) JP2001215999A (de)
AT (1) ATE389227T1 (de)
DE (1) DE60038279T2 (de)

Families Citing this family (24)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7136810B2 (en) * 2000-05-22 2006-11-14 Texas Instruments Incorporated Wideband speech coding system and method
US8463334B2 (en) * 2002-03-13 2013-06-11 Qualcomm Incorporated Apparatus and system for providing wideband voice quality in a wireless telephone
US7987095B2 (en) * 2002-09-27 2011-07-26 Broadcom Corporation Method and system for dual mode subband acoustic echo canceller with integrated noise suppression
US8879432B2 (en) 2002-09-27 2014-11-04 Broadcom Corporation Splitter and combiner for multiple data rate communication system
EP1408615B1 (de) * 2002-09-27 2011-02-09 Broadcom Corporation Splitter und Kombinierer in einem Kommunikationssystem mit mehrfachen Datenraten
US7406096B2 (en) * 2002-12-06 2008-07-29 Qualcomm Incorporated Tandem-free intersystem voice communication
WO2004090870A1 (ja) 2003-04-04 2004-10-21 Kabushiki Kaisha Toshiba 広帯域音声を符号化または復号化するための方法及び装置
US7443978B2 (en) * 2003-09-04 2008-10-28 Kabushiki Kaisha Toshiba Method and apparatus for audio coding with noise suppression
CN1303584C (zh) * 2003-09-29 2007-03-07 摩托罗拉公司 联接式语音合成的声音目录编码方法和装置
EP1683133B1 (de) * 2003-10-30 2007-02-14 Koninklijke Philips Electronics N.V. Audiosignalcodierung oder -decodierung
CN1887025A (zh) * 2003-12-01 2006-12-27 皇家飞利浦电子股份有限公司 选择性音频信号增强
US20080243496A1 (en) * 2005-01-21 2008-10-02 Matsushita Electric Industrial Co., Ltd. Band Division Noise Suppressor and Band Division Noise Suppressing Method
JP2006201622A (ja) * 2005-01-21 2006-08-03 Matsushita Electric Ind Co Ltd 帯域分割型雑音抑圧装置及び帯域分割型雑音抑圧方法
JP5129115B2 (ja) 2005-04-01 2013-01-23 クゥアルコム・インコーポレイテッド 高帯域バーストの抑制のためのシステム、方法、および装置
TWI324336B (en) * 2005-04-22 2010-05-01 Qualcomm Inc Method of signal processing and apparatus for gain factor smoothing
US9454974B2 (en) * 2006-07-31 2016-09-27 Qualcomm Incorporated Systems, methods, and apparatus for gain factor limiting
KR101411780B1 (ko) 2009-10-20 2014-06-24 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 이전의 디코딩된 스펙트럼 값들의 그룹의 검출을 이용하는 오디오 인코더, 오디오 디코더, 오디오 정보를 인코딩하기 위한 방법, 오디오 정보를 디코딩하기 위한 방법 및 컴퓨터 프로그램
JP5773502B2 (ja) 2010-01-12 2015-09-02 フラウンホーファーゲゼルシャフトツール フォルデルング デル アンゲヴァンテン フォルシユング エー．フアー． オーディオ符号化器、オーディオ復号器、オーディオ情報を符号化するための方法、オーディオ情報を復号するための方法、および上位状態値と間隔境界との両方を示すハッシュテーブルを用いたコンピュータプログラム
CA2984936C (en) * 2011-02-18 2019-10-29 Ntt Docomo, Inc. Speech decoder, speech encoder, speech decoding method, speech encoding method, speech decoding program, and speech encoding program
WO2013136109A1 (en) * 2012-03-15 2013-09-19 Telefonaktiebolaget Lm Ericsson (Publ) Method of transmitting data samples with reduced bandwidth
CN105976830B (zh) 2013-01-11 2019-09-20 华为技术有限公司 音频信号编码和解码方法、音频信号编码和解码装置
WO2014138539A1 (en) * 2013-03-08 2014-09-12 Motorola Mobility Llc Conversion of linear predictive coefficients using auto-regressive extension of correlation coefficients in sub-band audio codecs
US10847170B2 (en) 2015-06-18 2020-11-24 Qualcomm Incorporated Device and method for generating a high-band signal from non-linearly processed sub-ranges
US9837089B2 (en) * 2015-06-18 2017-12-05 Qualcomm Incorporated High-band signal generation

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0351479B1 (de) * 1988-07-18 1994-10-19 International Business Machines Corporation Verfahren und Einrichtung zur Sprachkodierung mit niedriger Bitrate
IT1257065B (it) * 1992-07-31 1996-01-05 Sip Codificatore a basso ritardo per segnali audio, utilizzante tecniche di analisi per sintesi.
JPH06180948A (ja) * 1992-12-11 1994-06-28 Sony Corp ディジタル信号処理装置又は方法、及び記録媒体
JP3123286B2 (ja) * 1993-02-18 2001-01-09 ソニー株式会社 ディジタル信号処理装置又は方法、及び記録媒体
JPH06284392A (ja) * 1993-03-30 1994-10-07 Toshiba Corp 映像信号送受信装置
BE1007617A3 (nl) * 1993-10-11 1995-08-22 Philips Electronics Nv Transmissiesysteem met gebruik van verschillende codeerprincipes.
WO1995034883A1 (fr) * 1994-06-15 1995-12-21 Sony Corporation Processeur de signaux et dispositif de reproduction sonore
US5926791A (en) * 1995-10-26 1999-07-20 Sony Corporation Recursively splitting the low-frequency band with successively fewer filter taps in methods and apparatuses for sub-band encoding, decoding, and encoding and decoding
JP3325772B2 (ja) * 1996-05-15 2002-09-17 パイオニア株式会社 帯域分割信号処理システム
US6904404B1 (en) * 1996-07-01 2005-06-07 Matsushita Electric Industrial Co., Ltd. Multistage inverse quantization having the plurality of frequency bands
JP3622365B2 (ja) * 1996-09-26 2005-02-23 ヤマハ株式会社 音声符号化伝送方式
US6167375A (en) * 1997-03-17 2000-12-26 Kabushiki Kaisha Toshiba Method for encoding and decoding a speech signal including background noise
DE69924922T2 (de) * 1998-06-15 2006-12-21 Matsushita Electric Industrial Co., Ltd., Kadoma Audiokodierungsmethode und Audiokodierungsvorrichtung
US6182031B1 (en) * 1998-09-15 2001-01-30 Intel Corp. Scalable audio coding system
US6691084B2 (en) * 1998-12-21 2004-02-10 Qualcomm Incorporated Multiple mode variable rate speech coding
US6324505B1 (en) * 1999-07-19 2001-11-27 Qualcomm Incorporated Amplitude quantization scheme for low-bit-rate speech coders

Also Published As

Publication number Publication date
US20020072899A1 (en) 2002-06-13
EP1111589B1 (de) 2008-03-12
ATE389227T1 (de) 2008-03-15
US7260523B2 (en) 2007-08-21
JP2001215999A (ja) 2001-08-10
DE60038279T2 (de) 2009-03-12
EP1111589A1 (de) 2001-06-27

Similar Documents

Publication Publication Date Title
DE60038279D1 (de) Beitband Sprachkodierung mit parametrischer Kodierung des Hochfrequenzanteils
DE60322003D1 (de) Einheitliche verlustbehaftete und verlustfreie Komprimierung von Audiosignalen
DE69926821D1 (de) Verfahren zur signalgesteuerten Schaltung zwischen verschiedenen Audiokodierungssystemen
CN102411935B (zh) 用于带宽延伸语音预测激励信号的抗稀疏滤波的方法和设备
JP2002041097A5 (de)
WO2006026161A3 (en) Temporal envelope shaping for spatial audio coding using frequency domain wiener filtering
PT1328928E (pt) Dispositivo para expansao da banda de um sinal de voz
ATE354160T1 (de) Audiosignalcodierung oder -decodierung
EP2391146A3 (de) Vorrichtungen und Verfahren zur verlustfreien Kodierung und Dekodierung von Mehrkanaligen Signalen
AU2002215282A1 (en) Enhancing the performance of coding systems that use high frequency reconstruction methods
KR950704864A (ko) 차분 코팅 원리를 구현하는 전송 시스템(Transmission system impiementing dif-ferent coding principles)
MY142188A (en) Reduced resolution update mode for advanced video coding
DK0514949T3 (da) Adaptiv bitallokering for audiokoder og -dekoder
ATE511690T1 (de) Akustisches kommunikationssystem
AU7035298A (en) Method for signalling a noise substitution during audio signal coding
AU1366799A (en) Perceptual subband audio coding using adaptive multitype sparse vector quantization, and signal saturation scaler
CA2234078A1 (en) Method of and apparatus for coding audio signals
EP2270777A3 (de) Innovationen in reiner verlustfreier Audiokomprimierung
EE200200642A (et) Meetod videosignaali kodeerimiseks/dekodeerimiseks, sellele vastav videokooder/videodekooder ning nende kasutamine raadiosideseadmes
CN101185127A (zh) 用于编码和解码语音信号的高频带部分的方法和设备
ES2119932T3 (es) Formateo de señal codificada para codificador y descodificador de sistema de audio de alta calidad.
CA2137926A1 (en) Transmission system comprising at least a coder
RU95112470A (ru) Передающая система на принципах различного кодирования
AU7486200A (en) Multimode speech encoder
EP0732686A3 (de) CELP-Kodierung niedriger Verzögerung und 32 kbit/s für ein Breitband-Sprachsignal

Legal Events

Date Code Title Description
8364 No opposition during term of opposition