JP2003504655A5 - - Google Patents

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Publication number
JP2003504655A5
JP2003504655A5 JP2001508443A JP2001508443A JP2003504655A5 JP 2003504655 A5 JP2003504655 A5 JP 2003504655A5 JP 2001508443 A JP2001508443 A JP 2001508443A JP 2001508443 A JP2001508443 A JP 2001508443A JP 2003504655 A5 JP2003504655 A5 JP 2003504655A5
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JP
Japan
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.)
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Application number
JP2001508443A
Other versions
JP2003504655A (ja
JP4629937B2 (ja
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Publication date
Priority claimed from US09/365,444 external-priority patent/US6704701B1/en
Application filed filed Critical
Publication of JP2003504655A publication Critical patent/JP2003504655A/ja
Publication of JP2003504655A5 publication Critical patent/JP2003504655A5/ja
Application granted granted Critical
Publication of JP4629937B2 publication Critical patent/JP4629937B2/ja
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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JP2001508443A 1999-07-02 2000-06-30 音声コーディングシステムにおける双方向ピッチエンハンスメント Expired - Lifetime JP4629937B2 (ja)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US14209299P 1999-07-02 1999-07-02
US60/142,092 1999-07-02
US60/365,444 1999-08-02
US09/365,444 US6704701B1 (en) 1999-07-02 1999-08-02 Bi-directional pitch enhancement in speech coding systems
PCT/US2000/018232 WO2001003125A1 (en) 1999-07-02 2000-06-30 Bi-directional pitch enhancement in speech coding systems

Related Child Applications (1)

Application Number Title Priority Date Filing Date
JP2010230113A Division JP2011048387A (ja) 1999-07-02 2010-10-12 音声コーディングシステムにおける双方向ピッチエンハンスメント

Publications (3)

Publication Number Publication Date
JP2003504655A JP2003504655A (ja) 2003-02-04
JP2003504655A5 true JP2003504655A5 (ja) 2007-06-21
JP4629937B2 JP4629937B2 (ja) 2011-02-09

Family

ID=26839756

Family Applications (2)

Application Number Title Priority Date Filing Date
JP2001508443A Expired - Lifetime JP4629937B2 (ja) 1999-07-02 2000-06-30 音声コーディングシステムにおける双方向ピッチエンハンスメント
JP2010230113A Withdrawn JP2011048387A (ja) 1999-07-02 2010-10-12 音声コーディングシステムにおける双方向ピッチエンハンスメント

Family Applications After (1)

Application Number Title Priority Date Filing Date
JP2010230113A Withdrawn JP2011048387A (ja) 1999-07-02 2010-10-12 音声コーディングシステムにおける双方向ピッチエンハンスメント

Country Status (7)

Country Link
US (1) US6704701B1 (ja)
EP (1) EP1194925B1 (ja)
JP (2) JP4629937B2 (ja)
CN (1) CN1186766C (ja)
DE (1) DE60014904T2 (ja)
TW (1) TW473703B (ja)
WO (1) WO2001003125A1 (ja)

Families Citing this family (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100841096B1 (ko) * 2002-10-14 2008-06-25 리얼네트웍스아시아퍼시픽 주식회사 음성 코덱에 대한 디지털 오디오 신호의 전처리 방법
KR100754439B1 (ko) * 2003-01-09 2007-08-31 와이더댄 주식회사 이동 전화상의 체감 음질을 향상시키기 위한 디지털오디오 신호의 전처리 방법
DE602006010687D1 (de) * 2005-05-13 2010-01-07 Panasonic Corp Audiocodierungsvorrichtung und spektrum-modifikationsverfahren
CN101266797B (zh) * 2007-03-16 2011-06-01 展讯通信（上海）有限公司 语音信号后处理滤波方法
WO2011089450A2 (en) 2010-01-25 2011-07-28 Andrew Peter Nelson Jerram Apparatuses, methods and systems for a digital conversation management platform
US9728200B2 (en) 2013-01-29 2017-08-08 Qualcomm Incorporated Systems, methods, apparatus, and computer-readable media for adaptive formant sharpening in linear prediction coding
US9418671B2 (en) * 2013-08-15 2016-08-16 Huawei Technologies Co., Ltd. Adaptive high-pass post-filter
US9620134B2 (en) 2013-10-10 2017-04-11 Qualcomm Incorporated Gain shape estimation for improved tracking of high-band temporal characteristics
US10083708B2 (en) 2013-10-11 2018-09-25 Qualcomm Incorporated Estimation of mixing factors to generate high-band excitation signal
US10614816B2 (en) 2013-10-11 2020-04-07 Qualcomm Incorporated Systems and methods of communicating redundant frame information
US9384746B2 (en) 2013-10-14 2016-07-05 Qualcomm Incorporated Systems and methods of energy-scaled signal processing
US10163447B2 (en) 2013-12-16 2018-12-25 Qualcomm Incorporated High-band signal modeling
CN109767781A (zh) * 2019-03-06 2019-05-17 哈尔滨工业大学（深圳） 基于超高斯先验语音模型与深度学习的语音分离方法、系统及存储介质

Family Cites Families (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0291699A (ja) * 1988-09-28 1990-03-30 Nec Corp 音声符号化復号化方式
US5495555A (en) * 1992-06-01 1996-02-27 Hughes Aircraft Company High quality low bit rate celp-based speech codec
CA2108623A1 (en) * 1992-11-02 1994-05-03 Yi-Sheng Wang Adaptive pitch pulse enhancer and method for use in a codebook excited linear prediction (celp) search loop
CA2124713C (en) * 1993-06-18 1998-09-22 Willem Bastiaan Kleijn Long term predictor
US5774837A (en) * 1995-09-13 1998-06-30 Voxware, Inc. Speech coding system and method using voicing probability determination
WO1997027578A1 (en) * 1996-01-26 1997-07-31 Motorola Inc. Very low bit rate time domain speech analyzer for voice messaging
JP2940464B2 (ja) * 1996-03-27 1999-08-25 日本電気株式会社 音声復号化装置
US6161086A (en) * 1997-07-29 2000-12-12 Texas Instruments Incorporated Low-complexity speech coding with backward and inverse filtered target matching and a tree structured mutitap adaptive codebook search
JPH11184500A (ja) * 1997-12-24 1999-07-09 Fujitsu Ltd 音声符号化方式及び音声復号化方式
US6385576B2 (en) * 1997-12-24 2002-05-07 Kabushiki Kaisha Toshiba Speech encoding/decoding method using reduced subframe pulse positions having density related to pitch
US6240386B1 (en) * 1998-08-24 2001-05-29 Conexant Systems, Inc. Speech codec employing noise classification for noise compensation
US6556966B1 (en) * 1998-08-24 2003-04-29 Conexant Systems, Inc. Codebook structure for changeable pulse multimode speech coding
CA2252170A1 (en) * 1998-10-27 2000-04-27 Bruno Bessette A method and device for high quality coding of wideband speech and audio signals
US6574593B1 (en) * 1999-09-22 2003-06-03 Conexant Systems, Inc. Codebook tables for encoding and decoding
US6604070B1 (en) * 1999-09-22 2003-08-05 Conexant Systems, Inc. System of encoding and decoding speech signals
US6581032B1 (en) * 1999-09-22 2003-06-17 Conexant Systems, Inc. Bitstream protocol for transmission of encoded voice signals

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