HK1055833A1 - Closed-loop multimode mixed-domain linear prediction speech coder and method of processing frames - Google Patents

Closed-loop multimode mixed-domain linear prediction speech coder and method of processing frames

Info

Publication number
HK1055833A1
HK1055833A1 HK03108074A HK03108074A HK1055833A1 HK 1055833 A1 HK1055833 A1 HK 1055833A1 HK 03108074 A HK03108074 A HK 03108074A HK 03108074 A HK03108074 A HK 03108074A HK 1055833 A1 HK1055833 A1 HK 1055833A1
Authority
HK
Hong Kong
Prior art keywords
coding mode
encoded
speech
domain coding
speech frame
Prior art date
Application number
HK03108074A
Other languages
English (en)
Inventor
Amitava Das
Original Assignee
Qualcomm 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 Qualcomm Inc filed Critical Qualcomm Inc
Publication of HK1055833A1 publication Critical patent/HK1055833A1/xx

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
    • G10L19/04—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
    • G10L19/18—Vocoders using multiple modes
    • 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

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)
  • Physical Or Chemical Processes And Apparatus (AREA)
HK03108074A 2000-02-29 2003-11-07 Closed-loop multimode mixed-domain linear prediction speech coder and method of processing frames HK1055833A1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/US2000/005140 WO2001065544A1 (en) 2000-02-29 2000-02-29 Closed-loop multimode mixed-domain linear prediction speech coder

Publications (1)

Publication Number Publication Date
HK1055833A1 true HK1055833A1 (en) 2004-01-21

Family

ID=21741098

Family Applications (1)

Application Number Title Priority Date Filing Date
HK03108074A HK1055833A1 (en) 2000-02-29 2003-11-07 Closed-loop multimode mixed-domain linear prediction speech coder and method of processing frames

Country Status (10)

Country Link
EP (1) EP1259957B1 (es)
JP (1) JP4907826B2 (es)
KR (1) KR100711047B1 (es)
CN (1) CN1266674C (es)
AT (1) ATE341074T1 (es)
AU (1) AU2000233851A1 (es)
DE (1) DE60031002T2 (es)
ES (1) ES2269112T3 (es)
HK (1) HK1055833A1 (es)
WO (1) WO2001065544A1 (es)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6438518B1 (en) * 1999-10-28 2002-08-20 Qualcomm Incorporated Method and apparatus for using coding scheme selection patterns in a predictive speech coder to reduce sensitivity to frame error conditions
CA2392640A1 (en) * 2002-07-05 2004-01-05 Voiceage Corporation A method and device for efficient in-based dim-and-burst signaling and half-rate max operation in variable bit-rate wideband speech coding for cdma wireless systems
US8442262B2 (en) * 2003-12-19 2013-05-14 Creative Technology Ltd. Method and system to process a digital image
US7739120B2 (en) 2004-05-17 2010-06-15 Nokia Corporation Selection of coding models for encoding an audio signal
ES2478004T3 (es) * 2005-10-05 2014-07-18 Lg Electronics Inc. Método y aparato para decodificar una señal de audio
CN101283406B (zh) * 2005-10-05 2013-06-19 Lg电子株式会社 信号处理的方法和装置以及编码和解码方法及其装置
KR100647336B1 (ko) * 2005-11-08 2006-11-23 삼성전자주식회사 적응적 시간/주파수 기반 오디오 부호화/복호화 장치 및방법
US9159333B2 (en) 2006-06-21 2015-10-13 Samsung Electronics Co., Ltd. Method and apparatus for adaptively encoding and decoding high frequency band
KR101390188B1 (ko) * 2006-06-21 2014-04-30 삼성전자주식회사 적응적 고주파수영역 부호화 및 복호화 방법 및 장치
US8010352B2 (en) 2006-06-21 2011-08-30 Samsung Electronics Co., Ltd. Method and apparatus for adaptively encoding and decoding high frequency band
CN101145345B (zh) * 2006-09-13 2011-02-09 华为技术有限公司 音频分类方法
KR101131880B1 (ko) * 2007-03-23 2012-04-03 삼성전자주식회사 오디오 신호의 인코딩 방법 및 장치, 그리고 오디오 신호의디코딩 방법 및 장치
WO2008131703A1 (de) * 2007-04-26 2008-11-06 Siemens Aktiengesellschaft Baugruppe mit automatischer erweiterung eines überwachungskreises
KR101756834B1 (ko) 2008-07-14 2017-07-12 삼성전자주식회사 오디오/스피치 신호의 부호화 및 복호화 방법 및 장치
US8990094B2 (en) 2010-09-13 2015-03-24 Qualcomm Incorporated Coding and decoding a transient frame
CN103477387B (zh) 2011-02-14 2015-11-25 弗兰霍菲尔运输应用研究公司 使用频谱域噪声整形的基于线性预测的编码方案
MY166394A (en) 2011-02-14 2018-06-25 Fraunhofer Ges Forschung Information signal representation using lapped transform
KR101525185B1 (ko) 2011-02-14 2015-06-02 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 트랜지언트 검출 및 품질 결과를 사용하여 일부분의 오디오 신호를 코딩하기 위한 장치 및 방법
ES2639646T3 (es) 2011-02-14 2017-10-27 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Codificación y decodificación de posiciones de impulso de pistas de una señal de audio
KR101551046B1 (ko) 2011-02-14 2015-09-07 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. 저-지연 통합 스피치 및 오디오 코딩에서 에러 은닉을 위한 장치 및 방법
BR112013020482B1 (pt) 2011-02-14 2021-02-23 Fraunhofer Ges Forschung aparelho e método para processar um sinal de áudio decodificado em um domínio espectral
PL2676265T3 (pl) 2011-02-14 2019-09-30 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Urządzenie i sposób do kodowania sygnału audio z stosowaniem zrównanej części antycypacji
TWI488176B (zh) * 2011-02-14 2015-06-11 Fraunhofer Ges Forschung 音訊信號音軌脈衝位置之編碼與解碼技術
PL2676264T3 (pl) 2011-02-14 2015-06-30 Fraunhofer Ges Forschung Koder audio estymujący szum tła podczas faz aktywnych
EP2757558A1 (en) * 2013-01-18 2014-07-23 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Time domain level adjustment for audio signal decoding or encoding
US9685166B2 (en) 2014-07-26 2017-06-20 Huawei Technologies Co., Ltd. Classification between time-domain coding and frequency domain coding
EP3067886A1 (en) * 2015-03-09 2016-09-14 Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. Audio encoder for encoding a multichannel signal and audio decoder for decoding an encoded audio signal
US10957331B2 (en) * 2018-12-17 2021-03-23 Microsoft Technology Licensing, Llc Phase reconstruction in a speech decoder
CN115343007A (zh) * 2022-07-20 2022-11-15 上海卫星工程研究所 卫星运输冲击过程的等效正弦模拟方法和系统

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2759646B2 (ja) * 1985-03-18 1998-05-28 マサチユ−セツツ インステイテユ−ト オブ テクノロジ− 音響波形の処理
US5023910A (en) * 1988-04-08 1991-06-11 At&T Bell Laboratories Vector quantization in a harmonic speech coding arrangement
JPH02288739A (ja) * 1989-04-28 1990-11-28 Fujitsu Ltd 音声符号復号化伝送方式
JP3680374B2 (ja) * 1995-09-28 2005-08-10 ソニー株式会社 音声合成方法
JPH10214100A (ja) * 1997-01-31 1998-08-11 Sony Corp 音声合成方法
WO1999010719A1 (en) * 1997-08-29 1999-03-04 The Regents Of The University Of California Method and apparatus for hybrid coding of speech at 4kbps
ATE302991T1 (de) * 1998-01-22 2005-09-15 Deutsche Telekom Ag Verfahren zur signalgesteuerten schaltung zwischen verschiedenen audiokodierungssystemen
JPH11224099A (ja) * 1998-02-06 1999-08-17 Sony Corp 位相量子化装置及び方法

Also Published As

Publication number Publication date
AU2000233851A1 (en) 2001-09-12
DE60031002D1 (de) 2006-11-09
DE60031002T2 (de) 2007-05-10
CN1266674C (zh) 2006-07-26
WO2001065544A1 (en) 2001-09-07
JP4907826B2 (ja) 2012-04-04
KR20020081374A (ko) 2002-10-26
KR100711047B1 (ko) 2007-04-24
CN1437747A (zh) 2003-08-20
ATE341074T1 (de) 2006-10-15
ES2269112T3 (es) 2007-04-01
EP1259957B1 (en) 2006-09-27
EP1259957A1 (en) 2002-11-27
JP2003525473A (ja) 2003-08-26

Similar Documents

Publication Publication Date Title
HK1055833A1 (en) Closed-loop multimode mixed-domain linear prediction speech coder and method of processing frames
US20230402045A1 (en) Low bitrate audio encoding/decoding scheme having cascaded switches
KR101853352B1 (ko) 정렬된 예견 부를 사용하여 오디오 신호를 인코딩하고 디코딩하기 위한 장치 및 방법
EP1747554B1 (en) Audio encoding with different coding frame lengths
MX2012010439A (es) Decodificador de señales de audio, codificador de señales de audio, metodo para decodificar una señal de audio, metodo para codificar una señal de audio y programa de computacion que utilizan una adaptacion dependiente de la frecuencia de un contexto de codificacion.
EP3005364B1 (en) Unvoiced/voiced decision for speech processing
EP0770990A3 (en) Speech encoding method and apparatus and speech decoding method and apparatus
EP2676270B1 (en) Coding a portion of an audio signal using a transient detection and a quality result
CN101286319B (zh) 改进语音丢包修补质量的语音编码方法
KR20160128871A (ko) 파라미터 변경에 의해 음색을 변환하는 사용자 맞춤형 음성 보정 방법 및 이를 구현하는 음성 보정 장치
CN106575505A (zh) Fd/lpd转换环境中的帧丢失管理
US9418671B2 (en) Adaptive high-pass post-filter
US20080154586A1 (en) Dual-Pulse Excited Linear Prediction For Speech Coding
Stachurski et al. A 4 kb/s hybrid MELP/CELP coder with alignment phase encoding and zero-phase equalization
US20080154587A1 (en) Gain Quantization System for Speech Coding to Improve Packet Loss Concealment
Yu et al. Harmonic+ noise coding using improved V/UV mixing and efficient spectral quantization
Wang Variable rate multi-mode excitation coding of speech at 2.4 kbps
Bäckström et al. Relaxed Code-Excited Linear Prediction (RCELP)
Tang et al. Fixed bit-rate PWI speech coding with variable frame length
Kim et al. Spectral envelope quantization with noise robustness
Ku et al. DEPENDENT SPECTRAL QUANTIZATION
JPH07135490A (ja) 音声検出器及び音声検出器を有する音声符号化器
Balint Efficient vector quantization of speech spectral parameters [articol]

Legal Events

Date Code Title Description
PE Patent expired

Effective date: 20200228