CN1192355C - 宽带音频传输系统 - Google Patents
宽带音频传输系统 Download PDFInfo
- Publication number
- CN1192355C CN1192355C CNB008027587A CN00802758A CN1192355C CN 1192355 C CN1192355 C CN 1192355C CN B008027587 A CNB008027587 A CN B008027587A CN 00802758 A CN00802758 A CN 00802758A CN 1192355 C CN1192355 C CN 1192355C
- Authority
- CN
- China
- Prior art keywords
- signal
- frequency range
- high frequency
- low frequency
- decoder
- 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
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/02—Transmitters
- H04B1/04—Circuits
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Signal Processing (AREA)
- Audiology, Speech & Language Pathology (AREA)
- Computational Linguistics (AREA)
- Health & Medical Sciences (AREA)
- Spectroscopy & Molecular Physics (AREA)
- Human Computer Interaction (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Computer Networks & Wireless Communication (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP99203819.0 | 1999-11-16 | ||
| EP99203819 | 1999-11-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1337043A CN1337043A (zh) | 2002-02-20 |
| CN1192355C true CN1192355C (zh) | 2005-03-09 |
Family
ID=8240869
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB008027587A Expired - Lifetime CN1192355C (zh) | 1999-11-16 | 2000-10-19 | 宽带音频传输系统 |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US6772114B1 (https=) |
| EP (1) | EP1147514B1 (https=) |
| JP (2) | JP5220254B2 (https=) |
| KR (1) | KR100675309B1 (https=) |
| CN (1) | CN1192355C (https=) |
| DE (1) | DE60019268T2 (https=) |
| WO (1) | WO2001037263A1 (https=) |
Families Citing this family (59)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100675309B1 (ko) * | 1999-11-16 | 2007-01-29 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 광대역 오디오 송신 시스템, 송신기, 수신기, 코딩 디바이스, 디코딩 디바이스와, 송신 시스템에서 사용하기 위한 코딩 방법 및 디코딩 방법 |
| SE0004163D0 (sv) * | 2000-11-14 | 2000-11-14 | Coding Technologies Sweden Ab | Enhancing perceptual performance of high frequency reconstruction coding methods by adaptive filtering |
| SE0202159D0 (sv) | 2001-07-10 | 2002-07-09 | Coding Technologies Sweden Ab | Efficientand scalable parametric stereo coding for low bitrate applications |
| US8605911B2 (en) | 2001-07-10 | 2013-12-10 | Dolby International Ab | Efficient and scalable parametric stereo coding for low bitrate audio coding applications |
| DE60202881T2 (de) * | 2001-11-29 | 2006-01-19 | Coding Technologies Ab | Wiederherstellung von hochfrequenzkomponenten |
| SE0202770D0 (sv) | 2002-09-18 | 2002-09-18 | Coding Technologies Sweden Ab | Method for reduction of aliasing introduces by spectral envelope adjustment in real-valued filterbanks |
| KR100917464B1 (ko) * | 2003-03-07 | 2009-09-14 | 삼성전자주식회사 | 대역 확장 기법을 이용한 디지털 데이터의 부호화 방법,그 장치, 복호화 방법 및 그 장치 |
| GB2403634B (en) * | 2003-06-30 | 2006-11-29 | Nokia Corp | An audio encoder |
| US10848118B2 (en) | 2004-08-10 | 2020-11-24 | Bongiovi Acoustics Llc | System and method for digital signal processing |
| US9413321B2 (en) | 2004-08-10 | 2016-08-09 | Bongiovi Acoustics Llc | System and method for digital signal processing |
| US9281794B1 (en) | 2004-08-10 | 2016-03-08 | Bongiovi Acoustics Llc. | System and method for digital signal processing |
| US11431312B2 (en) | 2004-08-10 | 2022-08-30 | Bongiovi Acoustics Llc | System and method for digital signal processing |
| US10158337B2 (en) | 2004-08-10 | 2018-12-18 | Bongiovi Acoustics Llc | System and method for digital signal processing |
| US8284955B2 (en) | 2006-02-07 | 2012-10-09 | Bongiovi Acoustics Llc | System and method for digital signal processing |
| KR100707186B1 (ko) * | 2005-03-24 | 2007-04-13 | 삼성전자주식회사 | 오디오 부호화 및 복호화 장치와 그 방법 및 기록 매체 |
| CN100471077C (zh) * | 2005-03-25 | 2009-03-18 | 嘉藤电气股份有限公司 | 选频遥控呼出机 |
| BRPI0608270A2 (pt) | 2005-04-01 | 2009-10-06 | Qualcomm Inc | sistemas, métodos e equipamento para filtragem anti-dispersão |
| UA94041C2 (ru) * | 2005-04-01 | 2011-04-11 | Квелкомм Инкорпорейтед | Способ и устройство для фильтрации, устраняющей разреженность |
| CN101199003B (zh) * | 2005-04-22 | 2012-01-11 | 高通股份有限公司 | 用于增益因数衰减的系统、方法和设备 |
| US7944995B2 (en) * | 2005-11-14 | 2011-05-17 | Telefonaktiebolaget Lm Ericsson (Publ) | Variable bandwidth receiver |
| US8417185B2 (en) | 2005-12-16 | 2013-04-09 | Vocollect, Inc. | Wireless headset and method for robust voice data communication |
| US7773767B2 (en) | 2006-02-06 | 2010-08-10 | Vocollect, Inc. | Headset terminal with rear stability strap |
| US7885419B2 (en) | 2006-02-06 | 2011-02-08 | Vocollect, Inc. | Headset terminal with speech functionality |
| US9195433B2 (en) | 2006-02-07 | 2015-11-24 | Bongiovi Acoustics Llc | In-line signal processor |
| US9348904B2 (en) | 2006-02-07 | 2016-05-24 | Bongiovi Acoustics Llc. | System and method for digital signal processing |
| US11202161B2 (en) | 2006-02-07 | 2021-12-14 | Bongiovi Acoustics Llc | System, method, and apparatus for generating and digitally processing a head related audio transfer function |
| US9615189B2 (en) | 2014-08-08 | 2017-04-04 | Bongiovi Acoustics Llc | Artificial ear apparatus and associated methods for generating a head related audio transfer function |
| US10069471B2 (en) | 2006-02-07 | 2018-09-04 | Bongiovi Acoustics Llc | System and method for digital signal processing |
| US10848867B2 (en) | 2006-02-07 | 2020-11-24 | Bongiovi Acoustics Llc | System and method for digital signal processing |
| US10701505B2 (en) | 2006-02-07 | 2020-06-30 | Bongiovi Acoustics Llc. | System, method, and apparatus for generating and digitally processing a head related audio transfer function |
| US7873511B2 (en) * | 2006-06-30 | 2011-01-18 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder, audio decoder and audio processor having a dynamically variable warping characteristic |
| KR101565919B1 (ko) * | 2006-11-17 | 2015-11-05 | 삼성전자주식회사 | 고주파수 신호 부호화 및 복호화 방법 및 장치 |
| KR101438388B1 (ko) | 2006-11-21 | 2014-09-12 | 삼성전자주식회사 | 오디오/스피치 신호의 계층적 부호화/복호화 방법 및시스템 |
| US8285555B2 (en) * | 2006-11-21 | 2012-10-09 | Samsung Electronics Co., Ltd. | Method, medium, and system scalably encoding/decoding audio/speech |
| KR101379263B1 (ko) | 2007-01-12 | 2014-03-28 | 삼성전자주식회사 | 대역폭 확장 복호화 방법 및 장치 |
| EP2144231A1 (en) * | 2008-07-11 | 2010-01-13 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Low bitrate audio encoding/decoding scheme with common preprocessing |
| 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 |
| USD605629S1 (en) | 2008-09-29 | 2009-12-08 | Vocollect, Inc. | Headset |
| PL3992966T3 (pl) | 2009-01-16 | 2023-03-20 | Dolby International Ab | Transpozycja harmonicznych rozszerzona o iloczyn wektorowy |
| US8160287B2 (en) | 2009-05-22 | 2012-04-17 | Vocollect, Inc. | Headset with adjustable headband |
| US8438659B2 (en) | 2009-11-05 | 2013-05-07 | Vocollect, Inc. | Portable computing device and headset interface |
| CN102263576B (zh) * | 2010-05-27 | 2014-06-25 | 盛乐信息技术(上海)有限公司 | 无线信息传输方法及实现设备 |
| US9344828B2 (en) | 2012-12-21 | 2016-05-17 | Bongiovi Acoustics Llc. | System and method for digital signal processing |
| US9398394B2 (en) | 2013-06-12 | 2016-07-19 | Bongiovi Acoustics Llc | System and method for stereo field enhancement in two-channel audio systems |
| US9883318B2 (en) | 2013-06-12 | 2018-01-30 | Bongiovi Acoustics Llc | System and method for stereo field enhancement in two-channel audio systems |
| US9264004B2 (en) | 2013-06-12 | 2016-02-16 | Bongiovi Acoustics Llc | System and method for narrow bandwidth digital signal processing |
| EP2830054A1 (en) | 2013-07-22 | 2015-01-28 | Fraunhofer Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder, audio decoder and related methods using two-channel processing within an intelligent gap filling framework |
| US9397629B2 (en) | 2013-10-22 | 2016-07-19 | Bongiovi Acoustics Llc | System and method for digital signal processing |
| US9906858B2 (en) | 2013-10-22 | 2018-02-27 | Bongiovi Acoustics Llc | System and method for digital signal processing |
| US10820883B2 (en) | 2014-04-16 | 2020-11-03 | Bongiovi Acoustics Llc | Noise reduction assembly for auscultation of a body |
| US10639000B2 (en) | 2014-04-16 | 2020-05-05 | Bongiovi Acoustics Llc | Device for wide-band auscultation |
| US9615813B2 (en) | 2014-04-16 | 2017-04-11 | Bongiovi Acoustics Llc. | Device for wide-band auscultation |
| US9564146B2 (en) | 2014-08-01 | 2017-02-07 | Bongiovi Acoustics Llc | System and method for digital signal processing in deep diving environment |
| US9638672B2 (en) | 2015-03-06 | 2017-05-02 | Bongiovi Acoustics Llc | System and method for acquiring acoustic information from a resonating body |
| WO2016142002A1 (en) | 2015-03-09 | 2016-09-15 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Audio encoder, audio decoder, method for encoding an audio signal and method for decoding an encoded audio signal |
| US9621994B1 (en) | 2015-11-16 | 2017-04-11 | Bongiovi Acoustics Llc | Surface acoustic transducer |
| US9906867B2 (en) | 2015-11-16 | 2018-02-27 | Bongiovi Acoustics Llc | Surface acoustic transducer |
| JP2021521700A (ja) | 2018-04-11 | 2021-08-26 | ボンジョビ アコースティックス リミテッド ライアビリティー カンパニー | オーディオ強化聴力保護システム |
| WO2020028833A1 (en) | 2018-08-02 | 2020-02-06 | Bongiovi Acoustics Llc | System, method, and apparatus for generating and digitally processing a head related audio transfer function |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4771465A (en) * | 1986-09-11 | 1988-09-13 | American Telephone And Telegraph Company, At&T Bell Laboratories | Digital speech sinusoidal vocoder with transmission of only subset of harmonics |
| JPH02272500A (ja) * | 1989-04-13 | 1990-11-07 | Fujitsu Ltd | コード駆動音声符号化方式 |
| JP2779886B2 (ja) * | 1992-10-05 | 1998-07-23 | 日本電信電話株式会社 | 広帯域音声信号復元方法 |
| BE1007616A3 (nl) * | 1993-10-11 | 1995-08-22 | Philips Electronics Nv | Transmissiesysteem met vereenvoudigde broncodering. |
| JPH08102687A (ja) * | 1994-09-29 | 1996-04-16 | Yamaha Corp | 音声送受信方式 |
| US5774837A (en) * | 1995-09-13 | 1998-06-30 | Voxware, Inc. | Speech coding system and method using voicing probability determination |
| US5710863A (en) * | 1995-09-19 | 1998-01-20 | Chen; Juin-Hwey | Speech signal quantization using human auditory models in predictive coding systems |
| JP3575967B2 (ja) * | 1996-12-02 | 2004-10-13 | 沖電気工業株式会社 | 音声通信システムおよび音声通信方法 |
| US6233550B1 (en) * | 1997-08-29 | 2001-05-15 | The Regents Of The University Of California | Method and apparatus for hybrid coding of speech at 4kbps |
| US6078880A (en) * | 1998-07-13 | 2000-06-20 | Lockheed Martin Corporation | Speech coding system and method including voicing cut off frequency analyzer |
| KR100675309B1 (ko) * | 1999-11-16 | 2007-01-29 | 코닌클리케 필립스 일렉트로닉스 엔.브이. | 광대역 오디오 송신 시스템, 송신기, 수신기, 코딩 디바이스, 디코딩 디바이스와, 송신 시스템에서 사용하기 위한 코딩 방법 및 디코딩 방법 |
-
2000
- 2000-10-19 KR KR1020017008931A patent/KR100675309B1/ko not_active Expired - Lifetime
- 2000-10-19 DE DE60019268T patent/DE60019268T2/de not_active Expired - Lifetime
- 2000-10-19 CN CNB008027587A patent/CN1192355C/zh not_active Expired - Lifetime
- 2000-10-19 EP EP00975894A patent/EP1147514B1/en not_active Expired - Lifetime
- 2000-10-19 WO PCT/EP2000/010362 patent/WO2001037263A1/en not_active Ceased
- 2000-10-19 JP JP2001537725A patent/JP5220254B2/ja not_active Expired - Lifetime
- 2000-11-13 US US09/710,916 patent/US6772114B1/en not_active Expired - Lifetime
-
2011
- 2011-10-21 JP JP2011231780A patent/JP2012027498A/ja active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| EP1147514B1 (en) | 2005-04-06 |
| JP2003514266A (ja) | 2003-04-15 |
| WO2001037263A1 (en) | 2001-05-25 |
| DE60019268D1 (de) | 2005-05-12 |
| US6772114B1 (en) | 2004-08-03 |
| JP5220254B2 (ja) | 2013-06-26 |
| KR100675309B1 (ko) | 2007-01-29 |
| CN1337043A (zh) | 2002-02-20 |
| KR20010108099A (ko) | 2001-12-07 |
| EP1147514A1 (en) | 2001-10-24 |
| DE60019268T2 (de) | 2006-02-02 |
| JP2012027498A (ja) | 2012-02-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN1192355C (zh) | 宽带音频传输系统 | |
| JP4934427B2 (ja) | 音声信号復号化装置及び音声信号符号化装置 | |
| CN1926610B (zh) | 合成单声道音频信号的方法、音频解码器和编码系统 | |
| US7529664B2 (en) | Signal decomposition of voiced speech for CELP speech coding | |
| JP4567238B2 (ja) | 符号化方法、復号化方法、符号化器、及び復号化器 | |
| EP2491555B1 (en) | Multi-mode audio codec | |
| EP2056294B1 (en) | Apparatus, Medium and Method to Encode and Decode High Frequency Signal | |
| JP3483891B2 (ja) | スピーチコーダ | |
| CN1271597C (zh) | 对声源信号进行编码/解码的方法和装置 | |
| US10255928B2 (en) | Apparatus, medium and method to encode and decode high frequency signal | |
| CN1571993A (zh) | 用于改善高频重建的方法 | |
| CN101246688B (zh) | 一种对背景噪声信号进行编解码的方法、系统和装置 | |
| JPH11510274A (ja) | 線スペクトル平方根を発生し符号化するための方法と装置 | |
| JP2000122695A (ja) | 後置フィルタ | |
| JPH11184498A (ja) | 音声符号化/復号化方法 | |
| JP3092653B2 (ja) | 広帯域音声符号化装置及び音声復号装置並びに音声符号化復号装置 | |
| JP2004302259A (ja) | 音響信号の階層符号化方法および階層復号化方法 | |
| RU2351024C2 (ru) | Способ и устройство для подавления шумов | |
| JP3230790B2 (ja) | 広帯域音声信号復元方法 | |
| JP3827720B2 (ja) | 差分コーディング原理を用いる送信システム | |
| JP3863706B2 (ja) | 音声符号化方法 | |
| US6606591B1 (en) | Speech coding employing hybrid linear prediction coding | |
| JPH0738119B2 (ja) | 音声波形符号復号化装置 | |
| JPH0426119B2 (https=) | ||
| JPH0229238B2 (https=) |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20050309 |