NO324336B1 - Fremgangsmate og apparater for lydopptak, signalbehandling og avspilling - Google Patents
Fremgangsmate og apparater for lydopptak, signalbehandling og avspilling Download PDFInfo
- Publication number
- NO324336B1 NO324336B1 NO19992283A NO992283A NO324336B1 NO 324336 B1 NO324336 B1 NO 324336B1 NO 19992283 A NO19992283 A NO 19992283A NO 992283 A NO992283 A NO 992283A NO 324336 B1 NO324336 B1 NO 324336B1
- Authority
- NO
- Norway
- Prior art keywords
- data
- audio
- sampling frequency
- output
- audio data
- Prior art date
Links
- 238000012545 processing Methods 0.000 title claims description 42
- 238000000034 method Methods 0.000 title claims description 26
- 238000005070 sampling Methods 0.000 claims description 75
- 238000006243 chemical reaction Methods 0.000 claims description 72
- 230000005236 sound signal Effects 0.000 claims description 45
- 238000004458 analytical method Methods 0.000 claims description 25
- 238000004519 manufacturing process Methods 0.000 claims description 23
- 230000008569 process Effects 0.000 claims description 12
- 238000012544 monitoring process Methods 0.000 claims description 8
- 238000001514 detection method Methods 0.000 claims description 6
- 238000003672 processing method Methods 0.000 claims description 6
- 230000008602 contraction Effects 0.000 description 18
- 238000013480 data collection Methods 0.000 description 11
- 230000001360 synchronised effect Effects 0.000 description 7
- 238000004364 calculation method Methods 0.000 description 5
- 238000012937 correction Methods 0.000 description 5
- 238000010586 diagram Methods 0.000 description 5
- 230000008859 change Effects 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000006870 function Effects 0.000 description 3
- 210000001260 vocal cord Anatomy 0.000 description 3
- 230000017105 transposition Effects 0.000 description 2
- 238000009825 accumulation Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000009897 systematic effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B20/00—Signal processing not specific to the method of recording or reproducing; Circuits therefor
- G11B20/10—Digital recording or reproducing
- G11B20/10527—Audio or video recording; Data buffering arrangements
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B27/00—Editing; Indexing; Addressing; Timing or synchronising; Monitoring; Measuring tape travel
- G11B27/005—Reproducing at a different information rate from the information rate of recording
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/90—Tape-like record carriers
Landscapes
- Engineering & Computer Science (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
- Television Signal Processing For Recording (AREA)
- Analogue/Digital Conversion (AREA)
- Signal Processing Not Specific To The Method Of Recording And Reproducing (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP09249220A JP3073942B2 (ja) | 1997-09-12 | 1997-09-12 | 音声処理方法、音声処理装置および記録再生装置 |
| PCT/JP1998/003889 WO1999014751A1 (fr) | 1997-09-12 | 1998-09-01 | Procede de traitement de sons, processeur de sons, et dispositif d'enregistrement/de reproduction |
Publications (3)
| Publication Number | Publication Date |
|---|---|
| NO992283D0 NO992283D0 (no) | 1999-05-11 |
| NO992283L NO992283L (no) | 1999-06-14 |
| NO324336B1 true NO324336B1 (no) | 2007-09-24 |
Family
ID=17189712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| NO19992283A NO324336B1 (no) | 1997-09-12 | 1999-05-11 | Fremgangsmate og apparater for lydopptak, signalbehandling og avspilling |
Country Status (10)
| Country | Link |
|---|---|
| US (1) | US6360198B1 (fr) |
| EP (1) | EP0939401B1 (fr) |
| JP (1) | JP3073942B2 (fr) |
| KR (1) | KR100303913B1 (fr) |
| CN (1) | CN1125459C (fr) |
| CA (1) | CA2271463C (fr) |
| DE (1) | DE69836472T2 (fr) |
| DK (1) | DK0939401T3 (fr) |
| NO (1) | NO324336B1 (fr) |
| WO (1) | WO1999014751A1 (fr) |
Families Citing this family (20)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2000082260A (ja) * | 1998-09-04 | 2000-03-21 | Sony Corp | オーディオ信号再生装置及び方法 |
| JP4596197B2 (ja) * | 2000-08-02 | 2010-12-08 | ソニー株式会社 | ディジタル信号処理方法、学習方法及びそれらの装置並びにプログラム格納媒体 |
| TW525146B (en) * | 2000-09-22 | 2003-03-21 | Matsushita Electric Ind Co Ltd | Method and apparatus for shifting pitch of acoustic signals |
| US7809241B2 (en) | 2002-03-01 | 2010-10-05 | Thomson Licensing | Audio frequency scaling during video trick modes utilizing digital signal processing |
| DE04735990T1 (de) * | 2003-06-05 | 2006-10-05 | Kabushiki Kaisha Kenwood, Hachiouji | Sprachsynthesevorrichtung, sprachsyntheseverfahren und programm |
| JP2006243128A (ja) * | 2005-03-01 | 2006-09-14 | Matsushita Electric Ind Co Ltd | 再生装置及び再生方法 |
| US7664558B2 (en) * | 2005-04-01 | 2010-02-16 | Apple Inc. | Efficient techniques for modifying audio playback rates |
| EP1739676A1 (fr) * | 2005-06-29 | 2007-01-03 | Hitachi, Ltd. | Récepteur de radiodiffusion numérique et méthode de reproduction |
| JP2007114840A (ja) * | 2005-10-18 | 2007-05-10 | Nec Electronics Corp | データ同期装置及びそのデータ同期方法 |
| TWI314015B (en) * | 2005-10-28 | 2009-08-21 | Novatek Microelectronics Corp | Digital audio/video playback system capable of controlling audio and video playback speed |
| KR100735417B1 (ko) * | 2006-01-24 | 2007-07-04 | 삼성전자주식회사 | 음성 신호에서의 피크 특징 추출이 가능한 윈도우를정렬하는 방법 및 그 시스템 |
| KR100667370B1 (ko) * | 2006-02-23 | 2007-01-12 | 충남대학교산학협력단 | 핫멜트 블로운 점착방식 기능성 복합필터 제조장치 |
| US7643820B2 (en) * | 2006-04-07 | 2010-01-05 | Motorola, Inc. | Method and device for restricted access contact information datum |
| US8145490B2 (en) * | 2007-10-24 | 2012-03-27 | Nuance Communications, Inc. | Predicting a resultant attribute of a text file before it has been converted into an audio file |
| JP4924513B2 (ja) * | 2008-03-31 | 2012-04-25 | ブラザー工業株式会社 | タイムストレッチシステムおよびプログラム |
| EP2629295B1 (fr) * | 2012-02-16 | 2017-12-20 | 2236008 Ontario Inc. | Système et procédé d'estimation du bruit avec détection de musique |
| US10726851B2 (en) * | 2017-08-31 | 2020-07-28 | Sony Interactive Entertainment Inc. | Low latency audio stream acceleration by selectively dropping and blending audio blocks |
| CN109587543B (zh) * | 2018-12-27 | 2021-04-02 | 秒针信息技术有限公司 | 音频同步方法和装置及存储介质 |
| KR20220106295A (ko) | 2021-01-22 | 2022-07-29 | 엘지전자 주식회사 | 집진 필터 |
| CN113490043A (zh) * | 2021-09-08 | 2021-10-08 | 北京百瑞互联技术有限公司 | 一种蓝牙音频数据处理方法、装置、介质及设备 |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4586191A (en) * | 1981-08-19 | 1986-04-29 | Sanyo Electric Co., Ltd. | Sound signal processing apparatus |
| WO1985001377A1 (fr) * | 1983-09-09 | 1985-03-28 | Sony Corporation | Appareil reproducteur de signaux audio |
| US4734495A (en) | 1985-07-17 | 1988-03-29 | President And Fellows Of Harvard College | Process and intermediates for beta-lactam antibiotics |
| IL84902A (en) * | 1987-12-21 | 1991-12-15 | D S P Group Israel Ltd | Digital autocorrelation system for detecting speech in noisy audio signal |
| US5583652A (en) | 1994-04-28 | 1996-12-10 | International Business Machines Corporation | Synchronized, variable-speed playback of digitally recorded audio and video |
| JPH0896514A (ja) | 1994-07-28 | 1996-04-12 | Sony Corp | オーディオ信号処理装置 |
| EP0702354A1 (fr) * | 1994-09-14 | 1996-03-20 | Matsushita Electric Industrial Co., Ltd. | Appareil pour modifier l'échelle de temps pour la modification du langage |
| US5828995A (en) * | 1995-02-28 | 1998-10-27 | Motorola, Inc. | Method and apparatus for intelligible fast forward and reverse playback of time-scale compressed voice messages |
| US5842172A (en) * | 1995-04-21 | 1998-11-24 | Tensortech Corporation | Method and apparatus for modifying the play time of digital audio tracks |
| US5806023A (en) * | 1996-02-23 | 1998-09-08 | Motorola, Inc. | Method and apparatus for time-scale modification of a signal |
| US5828994A (en) * | 1996-06-05 | 1998-10-27 | Interval Research Corporation | Non-uniform time scale modification of recorded audio |
-
1997
- 1997-09-12 JP JP09249220A patent/JP3073942B2/ja not_active Expired - Lifetime
-
1998
- 1998-09-01 DK DK98940646T patent/DK0939401T3/da active
- 1998-09-01 WO PCT/JP1998/003889 patent/WO1999014751A1/fr active IP Right Grant
- 1998-09-01 US US09/297,730 patent/US6360198B1/en not_active Expired - Lifetime
- 1998-09-01 DE DE69836472T patent/DE69836472T2/de not_active Expired - Lifetime
- 1998-09-01 CN CN98801333A patent/CN1125459C/zh not_active Expired - Lifetime
- 1998-09-01 CA CA002271463A patent/CA2271463C/fr not_active Expired - Lifetime
- 1998-09-01 EP EP98940646A patent/EP0939401B1/fr not_active Expired - Lifetime
-
1999
- 1999-05-10 KR KR1019997004144A patent/KR100303913B1/ko active IP Right Grant
- 1999-05-11 NO NO19992283A patent/NO324336B1/no not_active IP Right Cessation
Also Published As
| Publication number | Publication date |
|---|---|
| DE69836472T2 (de) | 2007-03-15 |
| CN1239571A (zh) | 1999-12-22 |
| NO992283L (no) | 1999-06-14 |
| KR100303913B1 (ko) | 2001-09-29 |
| EP0939401B1 (fr) | 2006-11-22 |
| EP0939401A1 (fr) | 1999-09-01 |
| US6360198B1 (en) | 2002-03-19 |
| CA2271463A1 (fr) | 1999-03-25 |
| JP3073942B2 (ja) | 2000-08-07 |
| CN1125459C (zh) | 2003-10-22 |
| CA2271463C (fr) | 2002-01-15 |
| WO1999014751A1 (fr) | 1999-03-25 |
| DE69836472D1 (de) | 2007-01-04 |
| JPH1186448A (ja) | 1999-03-30 |
| NO992283D0 (no) | 1999-05-11 |
| EP0939401A4 (fr) | 2000-07-19 |
| KR20000068955A (ko) | 2000-11-25 |
| DK0939401T3 (da) | 2007-04-02 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| MK1K | Patent expired |