JPH0969783A - オーディオデータ符号化装置 - Google Patents

オーディオデータ符号化装置

Info

Publication number
JPH0969783A
JPH0969783A JP7246954A JP24695495A JPH0969783A JP H0969783 A JPH0969783 A JP H0969783A JP 7246954 A JP7246954 A JP 7246954A JP 24695495 A JP24695495 A JP 24695495A JP H0969783 A JPH0969783 A JP H0969783A
Authority
JP
Japan
Prior art keywords
channel
circuit
data
mdct
coefficient data
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.)
Withdrawn
Application number
JP7246954A
Other languages
English (en)
Japanese (ja)
Inventor
Toru Chinen
徹 知念
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nippon Steel Corp
Original Assignee
Nippon Steel Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Priority to JP7246954A priority Critical patent/JPH0969783A/ja
Priority to TW085110524A priority patent/TW315562B/zh
Priority to TW086105817A priority patent/TW347623B/zh
Priority to US08/697,729 priority patent/US5675610A/en
Priority to CN96111248A priority patent/CN1112769C/zh
Priority to CNB021053243A priority patent/CN1183684C/zh
Publication of JPH0969783A publication Critical patent/JPH0969783A/ja
Priority to CNB021053251A priority patent/CN1173478C/zh
Withdrawn legal-status Critical Current

Links

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)
JP7246954A 1995-08-31 1995-08-31 オーディオデータ符号化装置 Withdrawn JPH0969783A (ja)

Priority Applications (7)

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
TW085110524A TW315562B (https=) 1995-08-31 1996-08-29
TW086105817A TW347623B (en) 1995-08-31 1996-08-29 Digital data encoding device and method therefor
US08/697,729 US5675610A (en) 1995-08-31 1996-08-29 Digital data encoding apparatus and method thereof
CN96111248A CN1112769C (zh) 1995-08-31 1996-08-30 数字数据编码装置及其方法
CNB021053243A CN1183684C (zh) 1995-08-31 1996-08-30 数字数据编码装置及其方法
CNB021053251A CN1173478C (zh) 1995-08-31 2002-02-22 数字数据编码装置及其方法

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
JPH0969783A true JPH0969783A (ja) 1997-03-11

Family

ID=17156209

Family Applications (1)

Application Number Title Priority Date Filing Date
JP7246954A Withdrawn JPH0969783A (ja) 1995-08-31 1995-08-31 オーディオデータ符号化装置

Country Status (4)

Country Link
US (1) US5675610A (https=)
JP (1) JPH0969783A (https=)
CN (3) CN1183684C (https=)
TW (2) TW347623B (https=)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101828220B (zh) 2007-10-16 2012-06-27 高通股份有限公司 用于mpeg aac及mpeg aac eld编码器/解码器的分析及合成滤波器组的有效实施方法

Families Citing this family (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995030286A2 (en) * 1994-05-02 1995-11-09 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
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
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
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
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
US7787631B2 (en) 2004-11-30 2010-08-31 Agere Systems Inc. Parametric coding of spatial audio with cues based on transmitted channels
JP5017121B2 (ja) 2004-11-30 2012-09-05 アギア システムズ インコーポレーテッド 外部的に供給されるダウンミックスとの空間オーディオのパラメトリック・コーディングの同期化
EP1817767B1 (en) 2004-11-30 2015-11-11 Agere Systems Inc. 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
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
EP0520068B1 (en) * 1991-01-08 1996-05-15 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

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101828220B (zh) 2007-10-16 2012-06-27 高通股份有限公司 用于mpeg aac及mpeg aac eld编码器/解码器的分析及合成滤波器组的有效实施方法

Also Published As

Publication number Publication date
CN1173478C (zh) 2004-10-27
TW315562B (https=) 1997-09-11
CN1380752A (zh) 2002-11-20
CN1112769C (zh) 2003-06-25
CN1148292A (zh) 1997-04-23
US5675610A (en) 1997-10-07
TW347623B (en) 1998-12-11
CN1183684C (zh) 2005-01-05
CN1380751A (zh) 2002-11-20

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Effective date: 20021105