CN1173478C - 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
- CN1173478C CN1173478C CNB021053251A CN02105325A CN1173478C CN 1173478 C CN1173478 C CN 1173478C CN B021053251 A CNB021053251 A CN B021053251A CN 02105325 A CN02105325 A CN 02105325A CN 1173478 C CN1173478 C CN 1173478C
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- CN
- China
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- coefficient data
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- 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 - Lifetime
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-
- 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
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- 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 (6)
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 |
JP246954/95 | 1995-08-31 | ||
JP246954/1995 | 1995-08-31 |
Related Parent Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN96111248A Division CN1112769C (zh) | 1995-08-31 | 1996-08-30 | 数字数据编码装置及其方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1380752A CN1380752A (zh) | 2002-11-20 |
CN1173478C true CN1173478C (zh) | 2004-10-27 |
Family
ID=17156209
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN96111248A Expired - Lifetime CN1112769C (zh) | 1995-08-31 | 1996-08-30 | 数字数据编码装置及其方法 |
CNB021053243A Expired - Lifetime CN1183684C (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 (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN96111248A Expired - Lifetime CN1112769C (zh) | 1995-08-31 | 1996-08-30 | 数字数据编码装置及其方法 |
CNB021053243A Expired - Lifetime CN1183684C (zh) | 1995-08-31 | 1996-08-30 | 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) | CN1112769C (zh) |
TW (2) | TW315562B (zh) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3327923B2 (ja) * | 1994-05-02 | 2002-09-24 | コーニンクレッカ フィリップス エレクトロニクス エヌ ヴィ | 少なくとも第1及び第2ディジタル信号成分を有するディジタル信号を符号化する符号化システム及び符号化方法 |
JP3388224B2 (ja) * | 2000-06-23 | 2003-03-17 | 松下電器産業株式会社 | 通信端末装置 |
US7583805B2 (en) | 2004-02-12 | 2009-09-01 | Agere Systems Inc. | Late reverberation-based synthesis of auditory scenes |
US7292901B2 (en) | 2002-06-24 | 2007-11-06 | Agere Systems Inc. | Hybrid multi-channel/cue coding/decoding of audio signals |
US7644003B2 (en) | 2001-05-04 | 2010-01-05 | Agere Systems Inc. | Cue-based audio coding/decoding |
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 |
MX2007000076A (es) | 2004-07-02 | 2007-03-28 | Nielsen Media Res Inc | Metodos y aparatos para mezclar corrientes comprimidas de bits digitales. |
US7720230B2 (en) | 2004-10-20 | 2010-05-18 | Agere Systems, Inc. | Individual channel shaping for BCC schemes and the like |
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 |
JP5106115B2 (ja) | 2004-11-30 | 2012-12-26 | アギア システムズ インコーポレーテッド | オブジェクト・ベースのサイド情報を用いる空間オーディオのパラメトリック・コーディング |
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 |
US8078301B2 (en) | 2006-10-11 | 2011-12-13 | 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 |
---|---|---|---|---|
DE69210689T2 (de) * | 1991-01-08 | 1996-11-21 | Dolby Lab Licensing Corp | Kodierer/dekodierer für mehrdimensionale schallfelder |
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 US US08/697,729 patent/US5675610A/en not_active Expired - Lifetime
- 1996-08-29 TW TW085110524A patent/TW315562B/zh active
- 1996-08-29 TW TW086105817A patent/TW347623B/zh not_active IP Right Cessation
- 1996-08-30 CN CN96111248A patent/CN1112769C/zh not_active Expired - Lifetime
- 1996-08-30 CN CNB021053243A patent/CN1183684C/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 |
---|---|
CN1380752A (zh) | 2002-11-20 |
JPH0969783A (ja) | 1997-03-11 |
TW315562B (zh) | 1997-09-11 |
CN1148292A (zh) | 1997-04-23 |
CN1183684C (zh) | 2005-01-05 |
CN1380751A (zh) | 2002-11-20 |
US5675610A (en) | 1997-10-07 |
TW347623B (en) | 1998-12-11 |
CN1112769C (zh) | 2003-06-25 |
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Owner name: UNION ELEMENT CO., LTD. Free format text: FORMER OWNER: NIPPON STEEL CORP. Effective date: 20100122 |
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Effective date of registration: 20100122 Address after: American California Patentee after: Joint component Limited by Share Ltd. Address before: Tokyo, Japan Patentee before: NIPPON STEEL Corp. |
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Owner name: DOLBY LAB LICENSING CORP. Free format text: FORMER OWNER: JOINT ELECTRON DEVICE INC. Effective date: 20101130 Owner name: DOLBY INTERNATIONAL CO., LTD. Free format text: FORMER OWNER: DOLBY LAB LICENSING CORP. Effective date: 20101130 |
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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: California, USA Patentee before: Joint component Limited by Share Ltd. |
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Granted publication date: 20041027 |
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