JP2013543600A5 - - Google Patents
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- JP2013543600A5 JP2013543600A5 JP2013532172A JP2013532172A JP2013543600A5 JP 2013543600 A5 JP2013543600 A5 JP 2013543600A5 JP 2013532172 A JP2013532172 A JP 2013532172A JP 2013532172 A JP2013532172 A JP 2013532172A JP 2013543600 A5 JP2013543600 A5 JP 2013543600A5
- Authority
- JP
- Japan
- Prior art keywords
- audio signal
- configurable
- samples
- ratio
- filter bank
- 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
- 230000005236 sound signal Effects 0.000 claims description 93
- 230000015572 biosynthetic process Effects 0.000 claims description 19
- 238000003786 synthesis reaction Methods 0.000 claims description 19
- 230000001131 transforming effect Effects 0.000 claims description 6
- 230000003595 spectral effect Effects 0.000 claims description 3
- 238000005070 sampling Methods 0.000 claims 15
- 238000000034 method Methods 0.000 claims 7
- 238000006243 chemical reaction Methods 0.000 claims 2
- 238000004590 computer program Methods 0.000 claims 2
- 238000007781 pre-processing Methods 0.000 claims 1
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US39026710P | 2010-10-06 | 2010-10-06 | |
| US61/390,267 | 2010-10-06 | ||
| PCT/EP2011/067318 WO2012045744A1 (en) | 2010-10-06 | 2011-10-04 | Apparatus and method for processing an audio signal and for providing a higher temporal granularity for a combined unified speech and audio codec (usac) |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| JP2013543600A JP2013543600A (ja) | 2013-12-05 |
| JP2013543600A5 true JP2013543600A5 (enExample) | 2017-02-09 |
| JP6100164B2 JP6100164B2 (ja) | 2017-03-22 |
Family
ID=44759689
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2013532172A Active JP6100164B2 (ja) | 2010-10-06 | 2011-10-04 | オーディオ信号を処理し、音声音響統合符号化方式（ｕｓａｃ）のためにより高い時間粒度を供給するための装置および方法 |
Country Status (17)
| Country | Link |
|---|---|
| US (1) | US9552822B2 (enExample) |
| EP (1) | EP2625688B1 (enExample) |
| JP (1) | JP6100164B2 (enExample) |
| KR (1) | KR101407120B1 (enExample) |
| CN (1) | CN103403799B (enExample) |
| AR (2) | AR083303A1 (enExample) |
| AU (1) | AU2011311659B2 (enExample) |
| BR (1) | BR112013008463B8 (enExample) |
| CA (1) | CA2813859C (enExample) |
| ES (1) | ES2530957T3 (enExample) |
| MX (1) | MX2013003782A (enExample) |
| MY (1) | MY155997A (enExample) |
| PL (1) | PL2625688T3 (enExample) |
| RU (1) | RU2562384C2 (enExample) |
| SG (1) | SG189277A1 (enExample) |
| TW (1) | TWI486950B (enExample) |
| WO (1) | WO2012045744A1 (enExample) |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| MX2013003782A (es) * | 2010-10-06 | 2013-10-03 | Fraunhofer Ges Forschung | Aparato y metodo para procesar una señal de audio y para otorgar una mayor granularidad temporal para un codificador-decodificador combinado y unificado de voz y audio (usac). |
| EP2777042B1 (en) * | 2011-11-11 | 2019-08-14 | Dolby International AB | Upsampling using oversampled sbr |
| TWI557727B (zh) * | 2013-04-05 | 2016-11-11 | 杜比國際公司 | 音訊處理系統、多媒體處理系統、處理音訊位元流的方法以及電腦程式產品 |
| AU2014204540B1 (en) * | 2014-07-21 | 2015-08-20 | Matthew Brown | Audio Signal Processing Methods and Systems |
| 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 |
| 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 |
| EP3107096A1 (en) * | 2015-06-16 | 2016-12-21 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Downscaled decoding |
| EP3182411A1 (en) * | 2015-12-14 | 2017-06-21 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Apparatus and method for processing an encoded audio signal |
| RU2711513C1 (ru) * | 2016-01-22 | 2020-01-17 | Фраунхофер-Гезелльшафт Цур Фердерунг Дер Ангевандтен Форшунг Е.Ф. | Устройство и способ оценивания межканальной разницы во времени |
| CN109328382B (zh) * | 2016-06-22 | 2023-06-16 | 杜比国际公司 | 用于将数字音频信号从第一频域变换到第二频域的音频解码器及方法 |
| US10249307B2 (en) * | 2016-06-27 | 2019-04-02 | Qualcomm Incorporated | Audio decoding using intermediate sampling rate |
| TWI812658B (zh) | 2017-12-19 | 2023-08-21 | 瑞典商都比國際公司 | 用於統一語音及音訊之解碼及編碼去關聯濾波器之改良之方法、裝置及系統 |
| CN115668365B (zh) * | 2020-05-20 | 2025-11-18 | 杜比国际公司 | 用于统一语音和音频解码改进的方法和装置 |
Family Cites Families (36)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03286698A (ja) | 1990-04-02 | 1991-12-17 | Onkyo Corp | ソフトドーム振動板 |
| KR970011728B1 (ko) | 1994-12-21 | 1997-07-14 | 김광호 | 음향신호의 에러은닉방법 및 그 장치 |
| IT1281001B1 (it) * | 1995-10-27 | 1998-02-11 | Cselt Centro Studi Lab Telecom | Procedimento e apparecchiatura per codificare, manipolare e decodificare segnali audio. |
| US6006108A (en) * | 1996-01-31 | 1999-12-21 | Qualcomm Incorporated | Digital audio processing in a dual-mode telephone |
| DE19742655C2 (de) * | 1997-09-26 | 1999-08-05 | Fraunhofer Ges Forschung | Verfahren und Vorrichtung zum Codieren eines zeitdiskreten Stereosignals |
| US6208671B1 (en) * | 1998-01-20 | 2001-03-27 | Cirrus Logic, Inc. | Asynchronous sample rate converter |
| ES2247741T3 (es) * | 1998-01-22 | 2006-03-01 | Deutsche Telekom Ag | Metodo para conmutacion controlada por señales entre esquemas de codificacion de audio. |
| US6275836B1 (en) * | 1998-06-12 | 2001-08-14 | Oak Technology, Inc. | Interpolation filter and method for switching between integer and fractional interpolation rates |
| US6208276B1 (en) * | 1998-12-30 | 2001-03-27 | At&T Corporation | Method and apparatus for sample rate pre- and post-processing to achieve maximal coding gain for transform-based audio encoding and decoding |
| JP2000352999A (ja) * | 1999-06-11 | 2000-12-19 | Nec Corp | 音声切替装置 |
| EP1295390B1 (en) * | 2000-06-23 | 2007-02-14 | STMicroelectronics Asia Pacific Pte Ltd. | Universal sampling rate converter for digital audio frequencies |
| CA2392640A1 (en) | 2002-07-05 | 2004-01-05 | Voiceage Corporation | A method and device for efficient in-based dim-and-burst signaling and half-rate max operation in variable bit-rate wideband speech coding for cdma wireless systems |
| JP2004120182A (ja) * | 2002-09-25 | 2004-04-15 | Sanyo Electric Co Ltd | デシメーションフィルタおよびインターポレーションフィルタ |
| JP4369946B2 (ja) * | 2002-11-21 | 2009-11-25 | 日本電信電話株式会社 | ディジタル信号処理方法、そのプログラム、及びそのプログラムを格納した記録媒体 |
| US7336208B2 (en) * | 2003-03-31 | 2008-02-26 | Nxp B.V. | Up and down sample rate converter |
| EP2270774B1 (en) | 2004-03-25 | 2016-07-27 | DTS, Inc. | Lossless multi-channel audio codec |
| DE102004043521A1 (de) | 2004-09-08 | 2006-03-23 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Vorrichtung und Verfahren zum Erzeugen eines Multikanalsignals oder eines Parameterdatensatzes |
| ATE521143T1 (de) * | 2005-02-23 | 2011-09-15 | Ericsson Telefon Ab L M | Adaptive bitzuweisung für die mehrkanal- audiokodierung |
| US7830921B2 (en) | 2005-07-11 | 2010-11-09 | Lg Electronics Inc. | Apparatus and method of encoding and decoding audio signal |
| US7528745B2 (en) * | 2006-02-15 | 2009-05-05 | Qualcomm Incorporated | Digital domain sampling rate converter |
| US7610195B2 (en) * | 2006-06-01 | 2009-10-27 | Nokia Corporation | Decoding of predictively coded data using buffer adaptation |
| US9009032B2 (en) * | 2006-11-09 | 2015-04-14 | Broadcom Corporation | Method and system for performing sample rate conversion |
| US7912728B2 (en) * | 2006-11-30 | 2011-03-22 | Broadcom Corporation | Method and system for handling the processing of bluetooth data during multi-path multi-rate audio processing |
| CA2730196C (en) * | 2008-07-11 | 2014-10-21 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Method and discriminator for classifying different segments of a signal |
| 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 |
| MX2011000372A (es) | 2008-07-11 | 2011-05-19 | Fraunhofer Ges Forschung | Sintetizador de señales de audio y codificador de señales de audio. |
| US8117039B2 (en) | 2008-12-15 | 2012-02-14 | Ericsson Television, Inc. | Multi-staging recursive audio frame-based resampling and time mapping |
| CA2966469C (en) * | 2009-01-28 | 2020-05-05 | Dolby International Ab | Improved harmonic transposition |
| KR101622950B1 (ko) * | 2009-01-28 | 2016-05-23 | 삼성전자주식회사 | 오디오 신호의 부호화 및 복호화 방법 및 그 장치 |
| US20110087494A1 (en) * | 2009-10-09 | 2011-04-14 | Samsung Electronics Co., Ltd. | Apparatus and method of encoding audio signal by switching frequency domain transformation scheme and time domain transformation scheme |
| KR101137652B1 (ko) * | 2009-10-14 | 2012-04-23 | 광운대학교 산학협력단 | 천이 구간에 기초하여 윈도우의 오버랩 영역을 조절하는 통합 음성/오디오 부호화/복호화 장치 및 방법 |
| PL2491556T3 (pl) * | 2009-10-20 | 2024-08-26 | Fraunhofer-Gesellschaft zur Förderung der angewandten Forschung e.V. | Dekoder sygnału audio, odpowiadający mu sposób oraz program komputerowy |
| US8886523B2 (en) * | 2010-04-14 | 2014-11-11 | Huawei Technologies Co., Ltd. | Audio decoding based on audio class with control code for post-processing modes |
| MX2013003782A (es) * | 2010-10-06 | 2013-10-03 | Fraunhofer Ges Forschung | Aparato y metodo para procesar una señal de audio y para otorgar una mayor granularidad temporal para un codificador-decodificador combinado y unificado de voz y audio (usac). |
| MY167957A (en) * | 2011-03-18 | 2018-10-08 | Dolby Int Ab | Frame Element Length Transmission in Audio Coding |
| CN104509119A (zh) * | 2012-04-24 | 2015-04-08 | Vid拓展公司 | 用于mpeg/3gpp-dash中平滑流切换的方法和装置 |
-
2011
- 2011-10-04 MX MX2013003782A patent/MX2013003782A/es active IP Right Grant
- 2011-10-04 MY MYPI2013001206A patent/MY155997A/en unknown
- 2011-10-04 RU RU2013120320/08A patent/RU2562384C2/ru active
- 2011-10-04 PL PL11764739T patent/PL2625688T3/pl unknown
- 2011-10-04 JP JP2013532172A patent/JP6100164B2/ja active Active
- 2011-10-04 WO PCT/EP2011/067318 patent/WO2012045744A1/en not_active Ceased
- 2011-10-04 EP EP11764739.6A patent/EP2625688B1/en active Active
- 2011-10-04 ES ES11764739T patent/ES2530957T3/es active Active
- 2011-10-04 SG SG2013025382A patent/SG189277A1/en unknown
- 2011-10-04 KR KR1020137010454A patent/KR101407120B1/ko active Active
- 2011-10-04 CN CN201180058880.2A patent/CN103403799B/zh active Active
- 2011-10-04 CA CA2813859A patent/CA2813859C/en active Active
- 2011-10-04 AR ARP110103684A patent/AR083303A1/es active IP Right Grant
- 2011-10-04 AU AU2011311659A patent/AU2011311659B2/en active Active
- 2011-10-04 BR BR112013008463A patent/BR112013008463B8/pt active IP Right Grant
- 2011-10-05 TW TW100136050A patent/TWI486950B/zh active
-
2013
- 2013-04-03 US US13/855,889 patent/US9552822B2/en active Active
-
2015
- 2015-09-14 AR ARP150102919A patent/AR101853A2/es active IP Right Grant
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