CN1112769C - 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 PDF

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Publication number
CN1112769C
CN1112769C CN96111248A CN96111248A CN1112769C CN 1112769 C CN1112769 C CN 1112769C CN 96111248 A CN96111248 A CN 96111248A CN 96111248 A CN96111248 A CN 96111248A CN 1112769 C CN1112769 C CN 1112769C
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CN
China
Prior art keywords
data
mentioned
sound channel
coefficient data
channel
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Expired - Lifetime
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CN96111248A
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English (en)
Chinese (zh)
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CN1148292A (zh
Inventor
知念彻
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Dolby International AB
Dolby Laboratories Licensing Corp
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Nippon Steel Corp
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Publication of CN1148292A publication Critical patent/CN1148292A/zh
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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)
CN96111248A 1995-08-31 1996-08-30 数字数据编码装置及其方法 Expired - Lifetime CN1112769C (zh)

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 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 CN1148292A (zh) 1997-04-23
CN1112769C true CN1112769C (zh) 2003-06-25

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 After (2)

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
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 (cg-RX-API-DMAC7.html)
JP (1) JPH0969783A (cg-RX-API-DMAC7.html)
CN (3) CN1112769C (cg-RX-API-DMAC7.html)
TW (2) TW315562B (cg-RX-API-DMAC7.html)

Families Citing this family (19)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0775389B1 (en) * 1994-05-02 2002-12-18 Koninklijke Philips Electronics N.V. Encoding system and encoding method for encoding a digital signal having at least a first and a second digital signal component
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
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
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
CN102592638A (zh) * 2004-07-02 2012-07-18 尼尔逊媒介研究股份有限公司 用于进行压缩数字位流的混合的方法及装置
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
US7787631B2 (en) 2004-11-30 2010-08-31 Agere Systems Inc. Parametric coding of spatial audio with cues based on transmitted channels
EP1817766B1 (en) 2004-11-30 2009-10-21 Agere Systems Inc. Synchronizing parametric coding of spatial audio with externally provided downmix
US8340306B2 (en) 2004-11-30 2012-12-25 Agere Systems Llc Parametric coding of spatial audio with object-based side information
US7903824B2 (en) 2005-01-10 2011-03-08 Agere Systems Inc. Compact side information for parametric coding of spatial audio
EP2958106B1 (en) 2006-10-11 2018-07-18 The Nielsen Company (US), LLC Methods and apparatus for embedding codes in compressed audio data streams
US20090099844A1 (en) 2007-10-16 2009-04-16 Qualcomm Incorporated Efficient implementation of analysis and synthesis filterbanks for mpeg aac and mpeg aac eld encoders/decoders
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)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1992012607A1 (en) * 1991-01-08 1992-07-23 Dolby Laboratories Licensing Corporation 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

Also Published As

Publication number Publication date
CN1173478C (zh) 2004-10-27
CN1380752A (zh) 2002-11-20
US5675610A (en) 1997-10-07
CN1183684C (zh) 2005-01-05
TW315562B (cg-RX-API-DMAC7.html) 1997-09-11
TW347623B (en) 1998-12-11
CN1380751A (zh) 2002-11-20
CN1148292A (zh) 1997-04-23
JPH0969783A (ja) 1997-03-11

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