CN1922659B - 编码模式选择 - Google Patents
编码模式选择 Download PDFInfo
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- CN1922659B CN1922659B CN200580005610XA CN200580005610A CN1922659B CN 1922659 B CN1922659 B CN 1922659B CN 200580005610X A CN200580005610X A CN 200580005610XA CN 200580005610 A CN200580005610 A CN 200580005610A CN 1922659 B CN1922659 B CN 1922659B
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- excitation
- ltp
- signal
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
- G10L19/22—Mode decision, i.e. based on audio signal content versus external parameters
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- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; 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
Abstract
Description
Claims (43)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FI20045052 | 2004-02-23 | ||
FI20045052A FI118835B (fi) | 2004-02-23 | 2004-02-23 | Koodausmallin valinta |
PCT/FI2005/050043 WO2005081231A1 (en) | 2004-02-23 | 2005-02-22 | Coding model selection |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1922659A CN1922659A (zh) | 2007-02-28 |
CN1922659B true CN1922659B (zh) | 2010-05-26 |
Family
ID=31725818
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN200580005610XA Active CN1922659B (zh) | 2004-02-23 | 2005-02-22 | 编码模式选择 |
Country Status (15)
Country | Link |
---|---|
US (1) | US7747430B2 (zh) |
EP (1) | EP1719120B1 (zh) |
JP (1) | JP2007523388A (zh) |
KR (2) | KR20080083718A (zh) |
CN (1) | CN1922659B (zh) |
AU (1) | AU2005215745A1 (zh) |
BR (1) | BRPI0508309A (zh) |
CA (1) | CA2555768A1 (zh) |
FI (1) | FI118835B (zh) |
HK (1) | HK1099960A1 (zh) |
RU (1) | RU2006129871A (zh) |
SG (1) | SG150572A1 (zh) |
TW (1) | TW200534599A (zh) |
WO (1) | WO2005081231A1 (zh) |
ZA (1) | ZA200606714B (zh) |
Families Citing this family (35)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FI118835B (fi) | 2004-02-23 | 2008-03-31 | Nokia Corp | Koodausmallin valinta |
WO2006063618A1 (en) * | 2004-12-15 | 2006-06-22 | Telefonaktiebolaget Lm Ericsson (Publ) | Method and device for encoding mode changing of encoded data streams |
KR100647336B1 (ko) * | 2005-11-08 | 2006-11-23 | 삼성전자주식회사 | 적응적 시간/주파수 기반 오디오 부호화/복호화 장치 및방법 |
JP2009524101A (ja) * | 2006-01-18 | 2009-06-25 | エルジー エレクトロニクス インコーポレイティド | 符号化/復号化装置及び方法 |
US7877253B2 (en) | 2006-10-06 | 2011-01-25 | Qualcomm Incorporated | Systems, methods, and apparatus for frame erasure recovery |
KR101434198B1 (ko) * | 2006-11-17 | 2014-08-26 | 삼성전자주식회사 | 신호 복호화 방법 |
US7813922B2 (en) * | 2007-01-30 | 2010-10-12 | Nokia Corporation | Audio quantization |
ES2394515T3 (es) * | 2007-03-02 | 2013-02-01 | Telefonaktiebolaget Lm Ericsson (Publ) | Métodos y adaptaciones en una red de telecomunicaciones |
US20090006081A1 (en) * | 2007-06-27 | 2009-01-01 | Samsung Electronics Co., Ltd. | Method, medium and apparatus for encoding and/or decoding signal |
EP2259253B1 (en) * | 2008-03-03 | 2017-11-15 | LG Electronics Inc. | Method and apparatus for processing audio signal |
DE102008022125A1 (de) * | 2008-05-05 | 2009-11-19 | Siemens Aktiengesellschaft | Verfahren und Vorrichtung zur Klassifikation von schallerzeugenden Prozessen |
KR20100006492A (ko) | 2008-07-09 | 2010-01-19 | 삼성전자주식회사 | 부호화 방식 결정 방법 및 장치 |
EP2144230A1 (en) | 2008-07-11 | 2010-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Low bitrate audio encoding/decoding scheme having cascaded switches |
EP2301020B1 (en) * | 2008-07-11 | 2013-01-02 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for encoding/decoding an audio signal using an aliasing switch scheme |
BRPI0914056B1 (pt) * | 2008-10-08 | 2019-07-02 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Esquema de codificação/decodificação de áudio comutado multi-resolução |
CN101615395B (zh) * | 2008-12-31 | 2011-01-12 | 华为技术有限公司 | 信号编码、解码方法及装置、系统 |
CN101609677B (zh) | 2009-03-13 | 2012-01-04 | 华为技术有限公司 | 一种预处理方法、装置及编码设备 |
CN101615910B (zh) * | 2009-05-31 | 2010-12-22 | 华为技术有限公司 | 压缩编码的方法、装置和设备以及压缩解码方法 |
US9269366B2 (en) * | 2009-08-03 | 2016-02-23 | Broadcom Corporation | Hybrid instantaneous/differential pitch period coding |
PL2473995T3 (pl) * | 2009-10-20 | 2015-06-30 | Fraunhofer Ges Forschung | Koder sygnału audio, dekoder sygnału audio, sposób dostarczania zakodowanej reprezentacji treści audio, sposób dostarczania dekodowanej reprezentacji treści audio oraz program komputerowy do wykorzystania w zastosowaniach z małym opóźnieniem |
SG10201604880YA (en) | 2010-07-02 | 2016-08-30 | Dolby Int Ab | Selective bass post filter |
BR122021002104B1 (pt) * | 2010-07-08 | 2021-11-03 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E. V. | Codificador que utiliza cancelamento de serrilhado futuro |
PL3239978T3 (pl) | 2011-02-14 | 2019-07-31 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Kodowanie i dekodowanie pozycji impulsów ścieżek sygnału audio |
RU2585999C2 (ru) * | 2011-02-14 | 2016-06-10 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Генерирование шума в аудиокодеках |
BR112012029132B1 (pt) | 2011-02-14 | 2021-10-05 | Fraunhofer - Gesellschaft Zur Förderung Der Angewandten Forschung E.V | Representação de sinal de informações utilizando transformada sobreposta |
JP5849106B2 (ja) | 2011-02-14 | 2016-01-27 | フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン | 低遅延の統合されたスピーチ及びオーディオ符号化におけるエラー隠しのための装置及び方法 |
JP5625126B2 (ja) | 2011-02-14 | 2014-11-12 | フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン | スペクトル領域ノイズ整形を使用する線形予測ベースコーディングスキーム |
CN103503062B (zh) | 2011-02-14 | 2016-08-10 | 弗劳恩霍夫应用研究促进协会 | 用于使用对齐的前瞻部分将音频信号编码及解码的装置与方法 |
CA2827249C (en) | 2011-02-14 | 2016-08-23 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Apparatus and method for processing a decoded audio signal in a spectral domain |
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 |
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 |
CN103534754B (zh) | 2011-02-14 | 2015-09-30 | 弗兰霍菲尔运输应用研究公司 | 在不活动阶段期间利用噪声合成的音频编解码器 |
KR101701081B1 (ko) | 2013-01-29 | 2017-01-31 | 프라운호퍼-게젤샤프트 츄어 푀르더룽 데어 안게반텐 포르슝에.파우. | 제 1 오디오 인코딩 알고리즘 및 제 2 오디오 인코딩 알고리즘 중 하나를 선택하기 위한 장치 및 방법 |
CN107424621B (zh) | 2014-06-24 | 2021-10-26 | 华为技术有限公司 | 音频编码方法和装置 |
JP6086999B2 (ja) | 2014-07-28 | 2017-03-01 | フラウンホーファー−ゲゼルシャフト・ツール・フェルデルング・デル・アンゲヴァンテン・フォルシュング・アインゲトラーゲネル・フェライン | ハーモニクス低減を使用して第1符号化アルゴリズムと第2符号化アルゴリズムの一方を選択する装置及び方法 |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5737484A (en) * | 1993-01-22 | 1998-04-07 | Nec Corporation | Multistage low bit-rate CELP speech coder with switching code books depending on degree of pitch periodicity |
US6311154B1 (en) * | 1998-12-30 | 2001-10-30 | Nokia Mobile Phones Limited | Adaptive windows for analysis-by-synthesis CELP-type speech coding |
Family Cites Families (13)
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US5250940A (en) * | 1991-01-18 | 1993-10-05 | National Semiconductor Corporation | Multi-mode home terminal system that utilizes a single embedded general purpose/DSP processor and a single random access memory |
SE469764B (sv) * | 1992-01-27 | 1993-09-06 | Ericsson Telefon Ab L M | Saett att koda en samplad talsignalvektor |
FR2729245B1 (fr) * | 1995-01-06 | 1997-04-11 | Lamblin Claude | Procede de codage de parole a prediction lineaire et excitation par codes algebriques |
FI964975A (fi) * | 1996-12-12 | 1998-06-13 | Nokia Mobile Phones Ltd | Menetelmä ja laite puheen koodaamiseksi |
US6134518A (en) | 1997-03-04 | 2000-10-17 | International Business Machines Corporation | Digital audio signal coding using a CELP coder and a transform coder |
ATE302991T1 (de) | 1998-01-22 | 2005-09-15 | Deutsche Telekom Ag | Verfahren zur signalgesteuerten schaltung zwischen verschiedenen audiokodierungssystemen |
US6539355B1 (en) * | 1998-10-15 | 2003-03-25 | Sony Corporation | Signal band expanding method and apparatus and signal synthesis method and apparatus |
US6510407B1 (en) * | 1999-10-19 | 2003-01-21 | Atmel Corporation | Method and apparatus for variable rate coding of speech |
US6640208B1 (en) * | 2000-09-12 | 2003-10-28 | Motorola, Inc. | Voiced/unvoiced speech classifier |
US6738739B2 (en) * | 2001-02-15 | 2004-05-18 | Mindspeed Technologies, Inc. | Voiced speech preprocessing employing waveform interpolation or a harmonic model |
US6658383B2 (en) | 2001-06-26 | 2003-12-02 | Microsoft Corporation | Method for coding speech and music signals |
US6785645B2 (en) | 2001-11-29 | 2004-08-31 | Microsoft Corporation | Real-time speech and music classifier |
FI118835B (fi) | 2004-02-23 | 2008-03-31 | Nokia Corp | Koodausmallin valinta |
-
2004
- 2004-02-23 FI FI20045052A patent/FI118835B/fi active
-
2005
- 2005-02-21 TW TW094104983A patent/TW200534599A/zh unknown
- 2005-02-22 AU AU2005215745A patent/AU2005215745A1/en not_active Abandoned
- 2005-02-22 KR KR1020087020819A patent/KR20080083718A/ko not_active Application Discontinuation
- 2005-02-22 WO PCT/FI2005/050043 patent/WO2005081231A1/en active Application Filing
- 2005-02-22 EP EP05717297.5A patent/EP1719120B1/en active Active
- 2005-02-22 BR BRPI0508309-5A patent/BRPI0508309A/pt not_active Application Discontinuation
- 2005-02-22 SG SG200901538-9A patent/SG150572A1/en unknown
- 2005-02-22 RU RU2006129871/09A patent/RU2006129871A/ru not_active Application Discontinuation
- 2005-02-22 KR KR1020067019497A patent/KR100879976B1/ko not_active IP Right Cessation
- 2005-02-22 JP JP2007500239A patent/JP2007523388A/ja not_active Withdrawn
- 2005-02-22 CN CN200580005610XA patent/CN1922659B/zh active Active
- 2005-02-22 CA CA002555768A patent/CA2555768A1/en not_active Abandoned
- 2005-02-23 US US11/065,717 patent/US7747430B2/en active Active
-
2006
- 2006-08-14 ZA ZA200606714A patent/ZA200606714B/en unknown
-
2007
- 2007-07-13 HK HK07107509.2A patent/HK1099960A1/xx unknown
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5737484A (en) * | 1993-01-22 | 1998-04-07 | Nec Corporation | Multistage low bit-rate CELP speech coder with switching code books depending on degree of pitch periodicity |
US6311154B1 (en) * | 1998-12-30 | 2001-10-30 | Nokia Mobile Phones Limited | Adaptive windows for analysis-by-synthesis CELP-type speech coding |
Also Published As
Publication number | Publication date |
---|---|
BRPI0508309A (pt) | 2007-07-24 |
FI20045052A (fi) | 2005-08-24 |
JP2007523388A (ja) | 2007-08-16 |
US20050192797A1 (en) | 2005-09-01 |
ZA200606714B (en) | 2007-11-28 |
FI20045052A0 (fi) | 2004-02-23 |
EP1719120A1 (en) | 2006-11-08 |
KR100879976B1 (ko) | 2009-01-23 |
WO2005081231A1 (en) | 2005-09-01 |
HK1099960A1 (en) | 2007-08-31 |
FI118835B (fi) | 2008-03-31 |
AU2005215745A1 (en) | 2005-09-01 |
KR20080083718A (ko) | 2008-09-18 |
EP1719120B1 (en) | 2019-06-19 |
TW200534599A (en) | 2005-10-16 |
KR20070015155A (ko) | 2007-02-01 |
SG150572A1 (en) | 2009-03-30 |
CN1922659A (zh) | 2007-02-28 |
CA2555768A1 (en) | 2005-09-01 |
RU2006129871A (ru) | 2008-03-27 |
US7747430B2 (en) | 2010-06-29 |
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Effective date of registration: 20160115 Address after: Espoo, Finland Patentee after: Technology Co., Ltd. of Nokia Address before: Espoo, Finland Patentee before: Nokia Oyj |