CN1092420C - 音频数据解码装置及音频数据编码解码系统 - Google Patents
音频数据解码装置及音频数据编码解码系统 Download PDFInfo
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- CN1092420C CN1092420C CN97114604A CN97114604A CN1092420C CN 1092420 C CN1092420 C CN 1092420C CN 97114604 A CN97114604 A CN 97114604A CN 97114604 A CN97114604 A CN 97114604A CN 1092420 C CN1092420 C CN 1092420C
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Classifications
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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
- G10L21/00—Processing of the speech or voice signal 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
- G10L21/0316—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude
- G10L21/0364—Speech enhancement, e.g. noise reduction or echo cancellation by changing the amplitude for improving intelligibility
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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
- G10L21/00—Processing of the speech or voice signal 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
- G10L21/0208—Noise filtering
- G10L21/0216—Noise filtering characterised by the method used for estimating noise
- G10L21/0232—Processing in the frequency domain
Abstract
Description
Claims (15)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP198443/96 | 1996-07-09 | ||
JP19844396A JP3765622B2 (ja) | 1996-07-09 | 1996-07-09 | オーディオ符号化復号化システム |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1170203A CN1170203A (zh) | 1998-01-14 |
CN1092420C true CN1092420C (zh) | 2002-10-09 |
Family
ID=16391182
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN97114604A Expired - Lifetime CN1092420C (zh) | 1996-07-09 | 1997-07-08 | 音频数据解码装置及音频数据编码解码系统 |
Country Status (3)
Country | Link |
---|---|
US (1) | US6240388B1 (zh) |
JP (1) | JP3765622B2 (zh) |
CN (1) | CN1092420C (zh) |
Families Citing this family (24)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2000123486A (ja) * | 1998-10-21 | 2000-04-28 | Pioneer Electronic Corp | 記録装置 |
US8618085B2 (en) * | 2000-04-28 | 2013-12-31 | Koasn Biosciences Incorporated | Therapeutic formulations of desoxyepothilones |
CA2430923C (en) * | 2001-11-14 | 2012-01-03 | Matsushita Electric Industrial Co., Ltd. | Encoding device, decoding device, and system thereof |
CN1795490A (zh) * | 2003-05-28 | 2006-06-28 | 杜比实验室特许公司 | 用于计算和调节音频信号的感觉响度的方法、设备和计算机程序 |
BRPI0518278B1 (pt) | 2004-10-26 | 2018-04-24 | Dolby Laboratories Licensing Corporation | Método e aparelho para controlar uma característica de sonoridade particular de um sinal de áudio |
US8199933B2 (en) | 2004-10-26 | 2012-06-12 | Dolby Laboratories Licensing Corporation | Calculating and adjusting the perceived loudness and/or the perceived spectral balance of an audio signal |
TWI397901B (zh) * | 2004-12-21 | 2013-06-01 | Dolby Lab Licensing Corp | 控制音訊信號比響度特性之方法及其相關裝置與電腦程式 |
KR101367482B1 (ko) * | 2005-04-18 | 2014-03-14 | 바스프 에스이 | 1종 이상의 코나졸 살진균제, 추가 살진균제 및 안정화공중합체를 함유하는 제제 |
TWI517562B (zh) | 2006-04-04 | 2016-01-11 | 杜比實驗室特許公司 | 用於將多聲道音訊信號之全面感知響度縮放一期望量的方法、裝置及電腦程式 |
DE602007002291D1 (de) * | 2006-04-04 | 2009-10-15 | Dolby Lab Licensing Corp | Lautstärkemessung von tonsignalen und änderung im mdct-bereich |
WO2007127023A1 (en) | 2006-04-27 | 2007-11-08 | Dolby Laboratories Licensing Corporation | Audio gain control using specific-loudness-based auditory event detection |
WO2008051347A2 (en) | 2006-10-20 | 2008-05-02 | Dolby Laboratories Licensing Corporation | Audio dynamics processing using a reset |
US8521314B2 (en) * | 2006-11-01 | 2013-08-27 | Dolby Laboratories Licensing Corporation | Hierarchical control path with constraints for audio dynamics processing |
BRPI0813723B1 (pt) * | 2007-07-13 | 2020-02-04 | Dolby Laboratories Licensing Corp | método para controlar o nível de intensidade do som de eventos auditivos, memória legível por computador não transitória, sistema de computador e aparelho |
EP2232700B1 (en) * | 2007-12-21 | 2014-08-13 | Dts Llc | System for adjusting perceived loudness of audio signals |
CA2754671C (en) | 2009-03-17 | 2017-01-10 | Dolby International Ab | Advanced stereo coding based on a combination of adaptively selectable left/right or mid/side stereo coding and of parametric stereo coding |
TWI643187B (zh) | 2009-05-27 | 2018-12-01 | 瑞典商杜比國際公司 | 從訊號的低頻成份產生該訊號之高頻成份的系統與方法,及其機上盒、電腦程式產品、軟體程式及儲存媒體 |
US11657788B2 (en) | 2009-05-27 | 2023-05-23 | Dolby International Ab | Efficient combined harmonic transposition |
US8538042B2 (en) * | 2009-08-11 | 2013-09-17 | Dts Llc | System for increasing perceived loudness of speakers |
WO2011048010A1 (en) | 2009-10-19 | 2011-04-28 | Dolby International Ab | Metadata time marking information for indicating a section of an audio object |
US9312829B2 (en) | 2012-04-12 | 2016-04-12 | Dts Llc | System for adjusting loudness of audio signals in real time |
US10853445B2 (en) | 2016-04-19 | 2020-12-01 | Nec Corporation | Digital filter device, digital filtering method, and program recording medium |
KR20230129569A (ko) * | 2017-01-10 | 2023-09-08 | 프라운호퍼 게젤샤프트 쭈르 푀르데룽 데어 안겐반텐 포르슝 에. 베. | 오디오 디코더, 오디오 인코더, 디코딩된 오디오 신호를 제공하기 위한 방법, 인코딩된 오디오 신호를 제공하기 위한 방법, 오디오 스트림, 오디오 스트림 제공기, 및 스트림 식별자를 사용하는 컴퓨터 프로그램 |
KR102491646B1 (ko) | 2017-11-30 | 2023-01-26 | 삼성전자주식회사 | 오디오 신호의 음량에 따라 설정된 해상도에 기반하여, 오디오 신호를 처리하는 방법 및 그 전자 장치 |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1119375A (en) * | 1913-04-14 | 1914-12-01 | Eugene H Taylor | Paster for paper-box machines. |
US4739514A (en) * | 1986-12-22 | 1988-04-19 | Bose Corporation | Automatic dynamic equalizing |
US5170437A (en) * | 1990-10-17 | 1992-12-08 | Audio Teknology, Inc. | Audio signal energy level detection method and apparatus |
US5511128A (en) * | 1994-01-21 | 1996-04-23 | Lindemann; Eric | Dynamic intensity beamforming system for noise reduction in a binaural hearing aid |
Family Cites Families (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0756386B1 (en) * | 1995-07-27 | 2003-09-17 | Victor Company Of Japan, Limited | Method and apparatus for coding a digital, acoustic signal |
US5867503A (en) * | 1996-01-30 | 1999-02-02 | Mitsubishi Denki Kabushiki Kaisha | Digital sound broadcasting receiver and automatic phase controlling method therefor |
US5825826A (en) * | 1996-09-30 | 1998-10-20 | Motorola, Inc. | Method and apparatus for frequency domain ripple compensation for a communications transmitter |
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1996
- 1996-07-09 JP JP19844396A patent/JP3765622B2/ja not_active Expired - Lifetime
-
1997
- 1997-07-08 US US08/889,329 patent/US6240388B1/en not_active Expired - Lifetime
- 1997-07-08 CN CN97114604A patent/CN1092420C/zh not_active Expired - Lifetime
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US1119375A (en) * | 1913-04-14 | 1914-12-01 | Eugene H Taylor | Paster for paper-box machines. |
US4739514A (en) * | 1986-12-22 | 1988-04-19 | Bose Corporation | Automatic dynamic equalizing |
US5170437A (en) * | 1990-10-17 | 1992-12-08 | Audio Teknology, Inc. | Audio signal energy level detection method and apparatus |
US5511128A (en) * | 1994-01-21 | 1996-04-23 | Lindemann; Eric | Dynamic intensity beamforming system for noise reduction in a binaural hearing aid |
Also Published As
Publication number | Publication date |
---|---|
CN1170203A (zh) | 1998-01-14 |
JPH1028057A (ja) | 1998-01-27 |
US6240388B1 (en) | 2001-05-29 |
JP3765622B2 (ja) | 2006-04-12 |
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Application publication date: 19980114 Assignee: GUANGZHOU HUADUO NETWORK TECHNOLOGY Co.,Ltd. Assignor: Via licensing Co. Contract record no.: 2014990000616 Denomination of invention: Audio data decoding apparatus and audio data coding/decoding system Granted publication date: 20021009 License type: Common License Record date: 20140804 |
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