CN1148292A - 数字数据编码装置及其方法 - Google Patents
数字数据编码装置及其方法 Download PDFInfo
- Publication number
- CN1148292A CN1148292A CN96111248A CN96111248A CN1148292A CN 1148292 A CN1148292 A CN 1148292A CN 96111248 A CN96111248 A CN 96111248A CN 96111248 A CN96111248 A CN 96111248A CN 1148292 A CN1148292 A CN 1148292A
- Authority
- CN
- China
- Prior art keywords
- mentioned
- sound channel
- data
- coefficient data
- common
- 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
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
- H04B1/66—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 for reducing bandwidth of signals; for improving efficiency of transmission
- H04B1/667—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 for reducing bandwidth of signals; for improving efficiency of transmission using a division in frequency subbands
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Signal Processing For Digital Recording And Reproducing (AREA)
Abstract
Description
Claims (22)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7246954A JPH0969783A (ja) | 1995-08-31 | 1995-08-31 | オーディオデータ符号化装置 |
JP246954/1995 | 1995-08-31 | ||
JP246954/95 | 1995-08-31 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB021053243A Division CN1183684C (zh) | 1995-08-31 | 1996-08-30 | 数字数据编码装置及其方法 |
CNB021053251A Division CN1173478C (zh) | 1995-08-31 | 2002-02-22 | 数字数据编码装置及其方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1148292A true CN1148292A (zh) | 1997-04-23 |
CN1112769C CN1112769C (zh) | 2003-06-25 |
Family
ID=17156209
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB021053243A Expired - Lifetime CN1183684C (zh) | 1995-08-31 | 1996-08-30 | 数字数据编码装置及其方法 |
CN96111248A Expired - Lifetime CN1112769C (zh) | 1995-08-31 | 1996-08-30 | 数字数据编码装置及其方法 |
CNB021053251A Expired - Lifetime CN1173478C (zh) | 1995-08-31 | 2002-02-22 | 数字数据编码装置及其方法 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB021053243A Expired - Lifetime CN1183684C (zh) | 1995-08-31 | 1996-08-30 | 数字数据编码装置及其方法 |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB021053251A Expired - Lifetime CN1173478C (zh) | 1995-08-31 | 2002-02-22 | 数字数据编码装置及其方法 |
Country Status (4)
Country | Link |
---|---|
US (1) | US5675610A (zh) |
JP (1) | JPH0969783A (zh) |
CN (3) | CN1183684C (zh) |
TW (2) | TW315562B (zh) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE69529222T2 (de) * | 1994-05-02 | 2003-10-09 | Koninklijke Philips Electronics N.V., Eindhoven | Einrichtung und verfahren zum kodieren eines digitalen signals mit mindestens einer ersten und einer zweiten digitalen signalkomponente |
JP3388224B2 (ja) * | 2000-06-23 | 2003-03-17 | 松下電器産業株式会社 | 通信端末装置 |
US7644003B2 (en) | 2001-05-04 | 2010-01-05 | Agere Systems Inc. | Cue-based audio coding/decoding |
US7292901B2 (en) | 2002-06-24 | 2007-11-06 | Agere Systems Inc. | Hybrid multi-channel/cue coding/decoding of audio signals |
US7583805B2 (en) | 2004-02-12 | 2009-09-01 | Agere Systems Inc. | Late reverberation-based synthesis of auditory scenes |
US7460684B2 (en) | 2003-06-13 | 2008-12-02 | Nielsen Media Research, Inc. | Method and apparatus for embedding watermarks |
US7805313B2 (en) | 2004-03-04 | 2010-09-28 | Agere Systems Inc. | Frequency-based coding of channels in parametric multi-channel coding systems |
NZ552644A (en) * | 2004-07-02 | 2008-09-26 | Nielsen Media Res Inc | Methods and apparatus for mixing compressed digital bit streams |
US8204261B2 (en) | 2004-10-20 | 2012-06-19 | Fraunhofer-Gesellschaft Zur Foerderung Der Angewandten Forschung E.V. | Diffuse sound shaping for BCC schemes and the like |
US7720230B2 (en) | 2004-10-20 | 2010-05-18 | Agere Systems, Inc. | Individual channel shaping for BCC schemes and the like |
WO2006060279A1 (en) | 2004-11-30 | 2006-06-08 | Agere Systems Inc. | Parametric coding of spatial audio with object-based side information |
US7787631B2 (en) | 2004-11-30 | 2010-08-31 | Agere Systems Inc. | Parametric coding of spatial audio with cues based on transmitted channels |
US7761304B2 (en) | 2004-11-30 | 2010-07-20 | Agere Systems Inc. | Synchronizing parametric coding of spatial audio with externally provided downmix |
US7903824B2 (en) | 2005-01-10 | 2011-03-08 | Agere Systems Inc. | Compact side information for parametric coding of spatial audio |
EP2095560B1 (en) | 2006-10-11 | 2015-09-09 | The Nielsen Company (US), LLC | Methods and apparatus for embedding codes in compressed audio data streams |
US8527265B2 (en) | 2007-10-22 | 2013-09-03 | Qualcomm Incorporated | Low-complexity encoding/decoding of quantized MDCT spectrum in scalable speech and audio codecs |
US8396119B1 (en) * | 2009-09-30 | 2013-03-12 | Ambarella, Inc. | Data sample compression and decompression using randomized quantization bins |
CN108170399B (zh) * | 2017-12-26 | 2021-04-30 | 上海展扬通信技术有限公司 | 一种双声道处理方法及终端 |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA2077662C (en) * | 1991-01-08 | 2001-04-17 | Mark Franklin Davis | Encoder/decoder for multidimensional sound fields |
US5596421A (en) * | 1993-06-03 | 1997-01-21 | Matsushita Electric Industrial Co., Ltd. | Optical disk recorder for video signals and an optical disk for use therein |
-
1995
- 1995-08-31 JP JP7246954A patent/JPH0969783A/ja not_active Withdrawn
-
1996
- 1996-08-29 TW TW085110524A patent/TW315562B/zh active
- 1996-08-29 US US08/697,729 patent/US5675610A/en not_active Expired - Lifetime
- 1996-08-29 TW TW086105817A patent/TW347623B/zh not_active IP Right Cessation
- 1996-08-30 CN CNB021053243A patent/CN1183684C/zh not_active Expired - Lifetime
- 1996-08-30 CN CN96111248A patent/CN1112769C/zh not_active Expired - Lifetime
-
2002
- 2002-02-22 CN CNB021053251A patent/CN1173478C/zh not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CN1183684C (zh) | 2005-01-05 |
TW347623B (en) | 1998-12-11 |
CN1112769C (zh) | 2003-06-25 |
CN1173478C (zh) | 2004-10-27 |
TW315562B (zh) | 1997-09-11 |
CN1380752A (zh) | 2002-11-20 |
US5675610A (en) | 1997-10-07 |
JPH0969783A (ja) | 1997-03-11 |
CN1380751A (zh) | 2002-11-20 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN1112769C (zh) | 数字数据编码装置及其方法 | |
CN1099777C (zh) | 数字信号的编码装置、解码装置和编码方法 | |
CN1071914C (zh) | 信号编码方法和信号解码方法 | |
CN1154085C (zh) | 可变规模语音编码/解码的方法和装置 | |
CN1110145C (zh) | 可变规模语音编码/解码的方法和装置 | |
CN1249671C (zh) | 量化噪声整形方法及装置 | |
CN1095253C (zh) | 宽带数字信息信号的编码和解码设备和方法 | |
CN1669072A (zh) | 低比特速率音频编码 | |
CN1942928A (zh) | 音频信号编码 | |
CN1992533A (zh) | 信号编码设备和方法、信号译码设备和方法、程序及介质 | |
CN1756086A (zh) | 多通道音频数据编码/解码方法和设备 | |
CN1093843A (zh) | 高效编码和解码的方法及装置 | |
CN1065565A (zh) | 数字音频信号的编码方法 | |
CN1193427A (zh) | 编码数字信息信号的方法和装置 | |
CN1117674A (zh) | 信号编码或解码设备以及记录媒介 | |
CN101055720A (zh) | 对音频信号编码和解码的方法和设备 | |
CN1717577A (zh) | 音频信号编码 | |
CN1525436A (zh) | 可伸缩地编解码音频数据的方法和装置 | |
CN1114274C (zh) | 数字数据编码/解码方法及设备 | |
CN1524348A (zh) | 编码方法和装置以及解码方法和装置 | |
CN1193159A (zh) | 语音编码译码方法和装置、电话装置、音调变换方法和介质 | |
CN1841938A (zh) | 对音频信号进行编码的方法和设备 | |
CN1871864A (zh) | 重传语音编码数据的方法 | |
JP2004258603A (ja) | レベル・モードとラン・レングス/レベル・モードの間での符号化を適応させるエントロピー符号化 | |
CN101562015A (zh) | 音频处理方法及装置 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C06 | Publication | ||
PB01 | Publication | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
ASS | Succession or assignment of patent right |
Owner name: UNION ELEMENT CO., LTD. Free format text: FORMER OWNER: NIPPON STEEL CORP. Effective date: 20100421 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: TOKYO, JAPAN TO: CALIFORNIA, U.S.A. |
|
TR01 | Transfer of patent right |
Effective date of registration: 20100421 Address after: American California Patentee after: Joint component Limited by Share Ltd. Address before: Tokyo, Japan Patentee before: NIPPON STEEL Corp. |
|
ASS | Succession or assignment of patent right |
Owner name: DOLBY INTERNATIONAL CO., LTD. Free format text: FORMER OWNER: DOLBY LAB LICENSING CORP. Effective date: 20101130 Owner name: DOLBY LAB LICENSING CORP. Free format text: FORMER OWNER: JOINT ELECTRON DEVICE INC. Effective date: 20101130 |
|
C41 | Transfer of patent application or patent right or utility model | ||
COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: CALIFORNIA, USA TO: AMSTERDAM, NETHERLANDS |
|
TR01 | Transfer of patent right |
Effective date of registration: 20101130 Address after: Amsterdam, The Netherlands Patentee after: DOLBY INTERNATIONAL AB Address before: American California Patentee before: DOLBY LABORATORIES LICENSING Corp. Effective date of registration: 20101130 Address after: American California Patentee after: DOLBY LABORATORIES LICENSING Corp. Address before: American California Patentee before: Joint component Limited by Share Ltd. |
|
CX01 | Expiry of patent term |
Granted publication date: 20030625 |
|
EXPY | Termination of patent right or utility model |