CN1130719C - 多声道音频再现设备 - Google Patents
多声道音频再现设备 Download PDFInfo
- Publication number
- CN1130719C CN1130719C CN99123593A CN99123593A CN1130719C CN 1130719 C CN1130719 C CN 1130719C CN 99123593 A CN99123593 A CN 99123593A CN 99123593 A CN99123593 A CN 99123593A CN 1130719 C CN1130719 C CN 1130719C
- Authority
- CN
- China
- Prior art keywords
- sample frequency
- sound
- channel
- frequency
- digital
- 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 - Fee Related
Links
Images
Classifications
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- 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
- G11B20/10009—Improvement or modification of read or write signals
- G11B20/10037—A/D conversion, D/A conversion, sampling, slicing and digital quantisation or adjusting parameters thereof
-
- 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
- G11B20/10009—Improvement or modification of read or write signals
- G11B20/10046—Improvement or modification of read or write signals filtering or equalising, e.g. setting the tap weights of an FIR filter
-
- 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
- G11B2020/10537—Audio or video recording
- G11B2020/10546—Audio or video recording specifically adapted for audio data
- G11B2020/10555—Audio or video recording specifically adapted for audio data wherein the frequency, the amplitude, or other characteristics of the audio signal is taken into account
- G11B2020/10564—Audio or video recording specifically adapted for audio data wherein the frequency, the amplitude, or other characteristics of the audio signal is taken into account frequency
-
- 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
- G11B2020/10537—Audio or video recording
- G11B2020/10592—Audio or video recording specifically adapted for recording or reproducing multichannel signals
-
- 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
- G11B2020/10537—Audio or video recording
- G11B2020/10592—Audio or video recording specifically adapted for recording or reproducing multichannel signals
- G11B2020/10601—Audio or video recording specifically adapted for recording or reproducing multichannel signals surround sound signal
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B2220/00—Record carriers by type
- G11B2220/20—Disc-shaped record carriers
- G11B2220/25—Disc-shaped record carriers characterised in that the disc is based on a specific recording technology
- G11B2220/2537—Optical discs
- G11B2220/2562—DVDs [digital versatile discs]; Digital video discs; MMCDs; HDCDs
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04S—STEREOPHONIC SYSTEMS
- H04S3/00—Systems employing more than two channels, e.g. quadraphonic
- H04S3/008—Systems employing more than two channels, e.g. quadraphonic in which the audio signals are in digital form, i.e. employing more than two discrete digital channels
Abstract
Description
Claims (10)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP322341/1998 | 1998-11-12 | ||
JP10322341A JP2000149439A (ja) | 1998-11-12 | 1998-11-12 | 多チャンネル音声再生装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1254161A CN1254161A (zh) | 2000-05-24 |
CN1130719C true CN1130719C (zh) | 2003-12-10 |
Family
ID=18142572
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN99123593A Expired - Fee Related CN1130719C (zh) | 1998-11-12 | 1999-11-12 | 多声道音频再现设备 |
Country Status (5)
Country | Link |
---|---|
US (1) | US6714825B1 (zh) |
EP (1) | EP1001421A3 (zh) |
JP (1) | JP2000149439A (zh) |
CN (1) | CN1130719C (zh) |
SG (1) | SG77718A1 (zh) |
Families Citing this family (15)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6201486B1 (en) * | 1999-12-01 | 2001-03-13 | Creative Technology Ltd. | Pre-processing of multiple sample rates sources to simplify and improve multi-channel DAC design |
US7312739B1 (en) | 2000-05-23 | 2007-12-25 | Marvell International Ltd. | Communication driver |
US7194037B1 (en) | 2000-05-23 | 2007-03-20 | Marvell International Ltd. | Active replica transformer hybrid |
US6775529B1 (en) | 2000-07-31 | 2004-08-10 | Marvell International Ltd. | Active resistive summer for a transformer hybrid |
USRE41831E1 (en) | 2000-05-23 | 2010-10-19 | Marvell International Ltd. | Class B driver |
US7433665B1 (en) | 2000-07-31 | 2008-10-07 | Marvell International Ltd. | Apparatus and method for converting single-ended signals to a differential signal, and transceiver employing same |
US7606547B1 (en) | 2000-07-31 | 2009-10-20 | Marvell International Ltd. | Active resistance summer for a transformer hybrid |
US6531975B1 (en) * | 2001-05-24 | 2003-03-11 | Cirrus Logic, Incorporated | Apparatus and method for multi-channel digital to analog conversion of signals with different sample rates |
US20060182007A1 (en) * | 2005-02-11 | 2006-08-17 | David Konetski | Realizing high quality LPCM audio data as two separate elementary streams |
CN100382008C (zh) * | 2005-04-30 | 2008-04-16 | 英华达股份有限公司 | 媒体整合装置 |
US7312662B1 (en) | 2005-08-09 | 2007-12-25 | Marvell International Ltd. | Cascode gain boosting system and method for a transmitter |
US7577892B1 (en) | 2005-08-25 | 2009-08-18 | Marvell International Ltd | High speed iterative decoder |
ATE510422T1 (de) * | 2007-03-21 | 2011-06-15 | Freescale Semiconductor Inc | Verfahren und vorrichtung zum umsetzen von signalen |
US9083821B2 (en) * | 2011-06-03 | 2015-07-14 | Apple Inc. | Converting audio to haptic feedback in an electronic device |
CN110085267B (zh) * | 2019-04-23 | 2022-02-08 | 晶晨半导体(上海)股份有限公司 | 一种弥补器件差异的调节电路 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4020332A (en) * | 1975-09-24 | 1977-04-26 | Bell Telephone Laboratories, Incorporated | Interpolation-decimation circuit for increasing or decreasing digital sampling frequency |
JPH02295260A (ja) * | 1989-05-10 | 1990-12-06 | Toshiba Corp | 変調器 |
US5296822A (en) * | 1992-12-31 | 1994-03-22 | Westinghouse Electric Corp. | Low pass filter circuit device and method having selectable cutoff frequency |
JPH07176987A (ja) * | 1993-12-20 | 1995-07-14 | Ricoh Co Ltd | 音声信号のディジタル処理方法 |
US5647008A (en) * | 1995-02-22 | 1997-07-08 | Aztech Systems Ltd. | Method and apparatus for digital mixing of audio signals in multimedia platforms |
JP3498888B2 (ja) * | 1996-10-11 | 2004-02-23 | 日本ビクター株式会社 | サラウンド信号処理装置と方法及び映像音声再生方法、記録媒体への記録方法及び記録装置、記録媒体、処理プログラムの伝送方法及び受信方法、並びに記録データの伝送方法及び受信方法 |
CN1165166C (zh) * | 1997-03-25 | 2004-09-01 | 三星电子株式会社 | Dvd音频盘和记录方法 |
US6160953A (en) * | 1997-04-21 | 2000-12-12 | Victor Company Of Japan, Ltd. | DVD-compatible optical recording disk conveying audio signals encoded both as PCM data and as single bit stream data generated by sigma-delta modulation, and encoder apparatus and decoder apparatus for same |
KR100568908B1 (ko) * | 1997-05-05 | 2006-07-27 | 워너 뮤직 그룹 인크. | 채널마다 해상도가 다른 멀티채널디지털오디오를 기록하고 재생하는 방법 및 장치 |
JP3415398B2 (ja) | 1997-08-07 | 2003-06-09 | パイオニア株式会社 | 音声信号処理装置 |
US5986589A (en) | 1997-10-31 | 1999-11-16 | Ati Technologies, Inc. | Multi-stream audio sampling rate conversion circuit and method |
US5963153A (en) | 1997-10-31 | 1999-10-05 | Ati Technologies, Inc. | Multi-stream audio sampling rate conversion system and method using variable converter rate control data |
-
1998
- 1998-11-12 JP JP10322341A patent/JP2000149439A/ja active Pending
-
1999
- 1999-11-04 SG SG1999005474A patent/SG77718A1/en unknown
- 1999-11-05 US US09/434,481 patent/US6714825B1/en not_active Expired - Fee Related
- 1999-11-10 EP EP99121985A patent/EP1001421A3/en not_active Withdrawn
- 1999-11-12 CN CN99123593A patent/CN1130719C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
EP1001421A2 (en) | 2000-05-17 |
JP2000149439A (ja) | 2000-05-30 |
SG77718A1 (en) | 2001-01-16 |
US6714825B1 (en) | 2004-03-30 |
EP1001421A3 (en) | 2004-09-22 |
CN1254161A (zh) | 2000-05-24 |
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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 | ||
ASS | Succession or assignment of patent right |
Owner name: INTELLECTUAL PROPERTY BRIDGE NO. 1 CO., LTD. Free format text: FORMER OWNER: MATSUSHITA ELECTRIC INDUSTRIAL CO, LTD. Effective date: 20140207 |
|
TR01 | Transfer of patent right |
Effective date of registration: 20140207 Address after: Tokyo, Japan Patentee after: GODO KAISHA IP BRIDGE 1 Address before: Osaka Japan Patentee before: Matsushita Electric Industrial Co., Ltd. |
|
TR01 | Transfer of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20031210 Termination date: 20141112 |
|
EXPY | Termination of patent right or utility model |