JP2005107255A5 - - Google Patents
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- Publication number
- JP2005107255A5 JP2005107255A5 JP2003341717A JP2003341717A JP2005107255A5 JP 2005107255 A5 JP2005107255 A5 JP 2005107255A5 JP 2003341717 A JP2003341717 A JP 2003341717A JP 2003341717 A JP2003341717 A JP 2003341717A JP 2005107255 A5 JP2005107255 A5 JP 2005107255A5
- Authority
- JP
- Japan
- Prior art keywords
- spectrum
- sampling rate
- encoding
- bandwidth
- time domain
- 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.)
- Granted
Links
- 238000001228 spectrum Methods 0.000 claims 65
- 238000005070 sampling Methods 0.000 claims 29
- 230000005236 sound signal Effects 0.000 claims 10
- 238000006243 chemical reaction Methods 0.000 claims 8
- 238000000034 method Methods 0.000 claims 3
- 230000009466 transformation Effects 0.000 claims 3
- 238000004891 communication Methods 0.000 claims 2
- 238000012217 deletion Methods 0.000 claims 1
- 230000037430 deletion Effects 0.000 claims 1
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 230000003595 spectral effect Effects 0.000 claims 1
- 230000001131 transforming effect Effects 0.000 claims 1
Priority Applications (9)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003341717A JP4679049B2 (ja) | 2003-09-30 | 2003-09-30 | スケーラブル復号化装置 |
| PCT/JP2004/014215 WO2005031705A1 (ja) | 2003-09-30 | 2004-09-29 | サンプリングレート変換装置、符号化装置、復号化装置、およびこれらの方法 |
| US10/573,812 US7756711B2 (en) | 2003-09-30 | 2004-09-29 | Sampling rate conversion apparatus, encoding apparatus decoding apparatus and methods thereof |
| CN201310064311.XA CN103177730B (zh) | 2003-09-30 | 2004-09-29 | 解码装置、通信终端装置、基站装置以及解码方法 |
| EP04788282A EP1669981A4 (en) | 2003-09-30 | 2004-09-29 | DEVICE FOR IMPLEMENTING THE ABDESTRATE, CODING DEVICE, DECODING DEVICE AND METHOD THEREFOR |
| CN2004800256756A CN1849647B (zh) | 2003-09-30 | 2004-09-29 | 采样速率转换装置、编码装置、解码装置及它们的方法 |
| EP10151098A EP2172931A1 (en) | 2003-09-30 | 2004-09-29 | Sampling rate conversion apparatus, coding apparatus, decoding apparatus and methods thereof |
| US12/708,290 US8195471B2 (en) | 2003-09-30 | 2010-02-18 | Sampling rate conversion apparatus, coding apparatus, decoding apparatus and methods thereof |
| US13/463,653 US8374884B2 (en) | 2003-09-30 | 2012-05-03 | Decoding apparatus and decoding method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2003341717A JP4679049B2 (ja) | 2003-09-30 | 2003-09-30 | スケーラブル復号化装置 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2009204962A Division JP5031006B2 (ja) | 2009-09-04 | 2009-09-04 | スケーラブル復号化装置及びスケーラブル復号化方法 |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2005107255A JP2005107255A (ja) | 2005-04-21 |
| JP2005107255A5 true JP2005107255A5 (enExample) | 2005-08-11 |
| JP4679049B2 JP4679049B2 (ja) | 2011-04-27 |
Family
ID=34386230
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2003341717A Expired - Lifetime JP4679049B2 (ja) | 2003-09-30 | 2003-09-30 | スケーラブル復号化装置 |
Country Status (5)
| Country | Link |
|---|---|
| US (3) | US7756711B2 (enExample) |
| EP (2) | EP1669981A4 (enExample) |
| JP (1) | JP4679049B2 (enExample) |
| CN (2) | CN1849647B (enExample) |
| WO (1) | WO2005031705A1 (enExample) |
Families Citing this family (28)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| RU2387024C2 (ru) | 2004-11-05 | 2010-04-20 | Панасоник Корпорэйшн | Кодер, декодер, способ кодирования и способ декодирования |
| FR2888699A1 (fr) | 2005-07-13 | 2007-01-19 | France Telecom | Dispositif de codage/decodage hierachique |
| US8295507B2 (en) * | 2006-11-09 | 2012-10-23 | Sony Corporation | Frequency band extending apparatus, frequency band extending method, player apparatus, playing method, program and recording medium |
| JPWO2008084688A1 (ja) * | 2006-12-27 | 2010-04-30 | パナソニック株式会社 | 符号化装置、復号装置及びこれらの方法 |
| JP4708446B2 (ja) * | 2007-03-02 | 2011-06-22 | パナソニック株式会社 | 符号化装置、復号装置およびそれらの方法 |
| JP5294713B2 (ja) * | 2007-03-02 | 2013-09-18 | パナソニック株式会社 | 符号化装置、復号装置およびそれらの方法 |
| US9327193B2 (en) | 2008-06-27 | 2016-05-03 | Microsoft Technology Licensing, Llc | Dynamic selection of voice quality over a wireless system |
| KR101381513B1 (ko) | 2008-07-14 | 2014-04-07 | 광운대학교 산학협력단 | 음성/음악 통합 신호의 부호화/복호화 장치 |
| JP5400880B2 (ja) * | 2009-06-23 | 2014-01-29 | 日本電信電話株式会社 | 符号化方法、復号方法、それらの方法を用いた装置、プログラム、記録媒体 |
| BE1019445A3 (fr) * | 2010-08-11 | 2012-07-03 | Reza Yves | Procede d'extraction d'information audio. |
| BR122021003887B1 (pt) * | 2010-08-12 | 2021-08-24 | Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E. V. | Reamostrar sinais de saída de codecs de áudio com base em qmf |
| CN102610231B (zh) * | 2011-01-24 | 2013-10-09 | 华为技术有限公司 | 一种带宽扩展方法及装置 |
| US9767822B2 (en) | 2011-02-07 | 2017-09-19 | Qualcomm Incorporated | Devices for encoding and decoding a watermarked signal |
| US9767823B2 (en) | 2011-02-07 | 2017-09-19 | Qualcomm Incorporated | Devices for encoding and detecting a watermarked signal |
| WO2013006322A1 (en) * | 2011-07-01 | 2013-01-10 | Dolby Laboratories Licensing Corporation | Sample rate scalable lossless audio coding |
| US8711943B2 (en) * | 2011-07-21 | 2014-04-29 | Luca Rossato | Signal processing and tiered signal encoding |
| EP2777042B1 (en) * | 2011-11-11 | 2019-08-14 | Dolby International AB | Upsampling using oversampled sbr |
| US9905236B2 (en) | 2012-03-23 | 2018-02-27 | Dolby Laboratories Licensing Corporation | Enabling sampling rate diversity in a voice communication system |
| GB201210373D0 (en) * | 2012-06-12 | 2012-07-25 | Meridian Audio Ltd | Doubly compatible lossless audio sandwidth extension |
| CN103971691B (zh) * | 2013-01-29 | 2017-09-29 | 鸿富锦精密工业(深圳)有限公司 | 语音信号处理系统及方法 |
| BR112016022466B1 (pt) | 2014-04-17 | 2020-12-08 | Voiceage Evs Llc | método para codificar um sinal sonoro, método para decodificar um sinal sonoro, dispositivo para codificar um sinal sonoro e dispositivo para decodificar um sinal sonoro |
| EP2980794A1 (en) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoder and decoder using a frequency domain processor and a time domain processor |
| EP2980795A1 (en) | 2014-07-28 | 2016-02-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Audio encoding and decoding using a frequency domain processor, a time domain processor and a cross processor for initialization of the time domain processor |
| TWI566241B (zh) * | 2015-01-23 | 2017-01-11 | 宏碁股份有限公司 | 語音信號處理裝置及語音信號處理方法 |
| US20170054510A1 (en) * | 2015-08-17 | 2017-02-23 | Multiphy Ltd. | Electro-optical finite impulse response transmit filter |
| EP3382704A1 (en) * | 2017-03-31 | 2018-10-03 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for determining a predetermined characteristic related to a spectral enhancement processing of an audio signal |
| CN107886966A (zh) * | 2017-10-30 | 2018-04-06 | 捷开通讯(深圳)有限公司 | 终端及其优化语音命令的方法、存储装置 |
| US10824917B2 (en) | 2018-12-03 | 2020-11-03 | Bank Of America Corporation | Transformation of electronic documents by low-resolution intelligent up-sampling |
Family Cites Families (27)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4343366C2 (de) * | 1993-12-18 | 1996-02-29 | Grundig Emv | Verfahren und Schaltungsanordnung zur Vergrößerung der Bandbreite von schmalbandigen Sprachsignalen |
| US5610942A (en) * | 1995-03-07 | 1997-03-11 | Chen; Keping | Digital signal transcoder and method of transcoding a digital signal |
| JP3139602B2 (ja) * | 1995-03-24 | 2001-03-05 | 日本電信電話株式会社 | 音響信号符号化方法及び復号化方法 |
| JP3283413B2 (ja) | 1995-11-30 | 2002-05-20 | 株式会社日立製作所 | 符号化復号方法、符号化装置および復号装置 |
| DE19706516C1 (de) | 1997-02-19 | 1998-01-15 | Fraunhofer Ges Forschung | Verfahren und Vorricntungen zum Codieren von diskreten Signalen bzw. zum Decodieren von codierten diskreten Signalen |
| SE512719C2 (sv) | 1997-06-10 | 2000-05-02 | Lars Gustaf Liljeryd | En metod och anordning för reduktion av dataflöde baserad på harmonisk bandbreddsexpansion |
| JP4132154B2 (ja) * | 1997-10-23 | 2008-08-13 | ソニー株式会社 | 音声合成方法及び装置、並びに帯域幅拡張方法及び装置 |
| EP0957579A1 (en) | 1998-05-15 | 1999-11-17 | Deutsche Thomson-Brandt Gmbh | Method and apparatus for sampling-rate conversion of audio signals |
| JP2000068943A (ja) | 1998-08-17 | 2000-03-03 | Hitachi Ltd | 光伝送装置 |
| KR20000047944A (ko) * | 1998-12-11 | 2000-07-25 | 이데이 노부유끼 | 수신장치 및 방법과 통신장치 및 방법 |
| US6226616B1 (en) | 1999-06-21 | 2001-05-01 | Digital Theater Systems, Inc. | Sound quality of established low bit-rate audio coding systems without loss of decoder compatibility |
| DE19947019A1 (de) * | 1999-09-30 | 2001-06-07 | Infineon Technologies Ag | Verfahren und Vorrichtung zum Erzeugen von spreizcodierten Signalen |
| JP3538122B2 (ja) * | 2000-06-14 | 2004-06-14 | 株式会社ケンウッド | 周波数補間装置、周波数補間方法及び記録媒体 |
| EP1298643B1 (en) * | 2000-06-14 | 2005-05-11 | Kabushiki Kaisha Kenwood | Frequency interpolating device and frequency interpolating method |
| US7623496B2 (en) * | 2001-04-24 | 2009-11-24 | Intel Corporation | Managing bandwidth in network supporting variable bit rate |
| US6895375B2 (en) * | 2001-10-04 | 2005-05-17 | At&T Corp. | System for bandwidth extension of Narrow-band speech |
| KR100935961B1 (ko) | 2001-11-14 | 2010-01-08 | 파나소닉 주식회사 | 부호화 장치 및 복호화 장치 |
| JP3926726B2 (ja) * | 2001-11-14 | 2007-06-06 | 松下電器産業株式会社 | 符号化装置および復号化装置 |
| US20030108108A1 (en) | 2001-11-15 | 2003-06-12 | Takashi Katayama | Decoder, decoding method, and program distribution medium therefor |
| JP2003216199A (ja) * | 2001-11-15 | 2003-07-30 | Matsushita Electric Ind Co Ltd | 復号装置、復号方法及びプログラム供給媒体 |
| JP2003241799A (ja) * | 2002-02-15 | 2003-08-29 | Nippon Telegr & Teleph Corp <Ntt> | 音響符号化方法、復号化方法、符号化装置、復号化装置及び符号化プログラム、復号化プログラム |
| FI116498B (fi) * | 2002-09-23 | 2005-11-30 | Nokia Corp | Kaistanleveyden mukauttaminen |
| KR100499047B1 (ko) * | 2002-11-25 | 2005-07-04 | 한국전자통신연구원 | 서로 다른 대역폭을 갖는 켈프 방식 코덱들 간의 상호부호화 장치 및 그 방법 |
| US20040138876A1 (en) * | 2003-01-10 | 2004-07-15 | Nokia Corporation | Method and apparatus for artificial bandwidth expansion in speech processing |
| KR100917464B1 (ko) * | 2003-03-07 | 2009-09-14 | 삼성전자주식회사 | 대역 확장 기법을 이용한 디지털 데이터의 부호화 방법,그 장치, 복호화 방법 및 그 장치 |
| US7392195B2 (en) * | 2004-03-25 | 2008-06-24 | Dts, Inc. | Lossless multi-channel audio codec |
| ES2636443T3 (es) * | 2005-04-01 | 2017-10-05 | Qualcomm Incorporated | Sistemas, procedimientos y aparatos para codificación de voz de banda ancha |
-
2003
- 2003-09-30 JP JP2003341717A patent/JP4679049B2/ja not_active Expired - Lifetime
-
2004
- 2004-09-29 WO PCT/JP2004/014215 patent/WO2005031705A1/ja not_active Ceased
- 2004-09-29 CN CN2004800256756A patent/CN1849647B/zh not_active Expired - Lifetime
- 2004-09-29 CN CN201310064311.XA patent/CN103177730B/zh not_active Expired - Lifetime
- 2004-09-29 EP EP04788282A patent/EP1669981A4/en not_active Withdrawn
- 2004-09-29 EP EP10151098A patent/EP2172931A1/en not_active Withdrawn
- 2004-09-29 US US10/573,812 patent/US7756711B2/en active Active
-
2010
- 2010-02-18 US US12/708,290 patent/US8195471B2/en active Active
-
2012
- 2012-05-03 US US13/463,653 patent/US8374884B2/en not_active Expired - Fee Related
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