CN1112047C - 数字压缩信号的译码器 - Google Patents

数字压缩信号的译码器 Download PDF

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Publication number
CN1112047C
CN1112047C CN96106224A CN96106224A CN1112047C CN 1112047 C CN1112047 C CN 1112047C CN 96106224 A CN96106224 A CN 96106224A CN 96106224 A CN96106224 A CN 96106224A CN 1112047 C CN1112047 C CN 1112047C
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CN
China
Prior art keywords
data
sample value
information data
decoder
value
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 - Lifetime
Application number
CN96106224A
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English (en)
Chinese (zh)
Other versions
CN1142729A (zh
Inventor
野中勉
直江俊之
佐藤弥章
西村聪彦
铃木尚久
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.)
Dolby International AB
Dolby Laboratories Licensing 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
Priority claimed from JP13290795A external-priority patent/JP3581431B2/ja
Priority claimed from JP14829995A external-priority patent/JPH08320699A/ja
Priority claimed from JP17034195A external-priority patent/JP3589746B2/ja
Priority claimed from JP17662995A external-priority patent/JP3342783B2/ja
Application filed by Nippon Steel Corp filed Critical Nippon Steel Corp
Publication of CN1142729A publication Critical patent/CN1142729A/zh
Application granted granted Critical
Publication of CN1112047C publication Critical patent/CN1112047C/zh
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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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
    • H04B1/665—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 psychoacoustic properties of the ear, e.g. masking effect

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
CN96106224A 1995-05-02 1996-05-02 数字压缩信号的译码器 Expired - Lifetime CN1112047C (zh)

Applications Claiming Priority (12)

Application Number Priority Date Filing Date Title
JP13290795A JP3581431B2 (ja) 1995-05-02 1995-05-02 Ｍｐｅｇオーディオデコーダ
JP132907/95 1995-05-02
JP132907/1995 1995-05-02
JP14829995A JPH08320699A (ja) 1995-05-23 1995-05-23 Ｍｐｅｇオーディオデコーダ
JP148299/1995 1995-05-23
JP148299/95 1995-05-23
JP170341/1995 1995-06-13
JP17034195A JP3589746B2 (ja) 1995-06-13 1995-06-13 Ｍｐｅｇオーディオデコーダ
JP170341/95 1995-06-13
JP17662995A JP3342783B2 (ja) 1995-06-20 1995-06-20 Ｍｐｅｇオーディオデコーダ
JP176629/95 1995-06-20
JP176629/1995 1995-06-20

Publications (2)

Publication Number Publication Date
CN1142729A CN1142729A (zh) 1997-02-12
CN1112047C true CN1112047C (zh) 2003-06-18

Family

ID=27471722

Family Applications (1)

Application Number Title Priority Date Filing Date
CN96106224A Expired - Lifetime CN1112047C (zh) 1995-05-02 1996-05-02 数字压缩信号的译码器

Country Status (3)

Country Link
US (1) US5703579A (enExample)
CN (1) CN1112047C (enExample)
TW (1) TW316302B (enExample)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100306371B1 (ko) 1997-12-30 2001-10-19 박종섭 두개의메모리제어기를가지는엠펙(mpeg)복원장치및복원방법
EP1228507B1 (en) * 1999-10-30 2003-05-28 STMicroelectronics Asia Pacific Pte Ltd. A method of reducing memory requirements in an ac-3 audio encoder
US6771196B2 (en) * 1999-12-14 2004-08-03 Broadcom Corporation Programmable variable-length decoder
US7283968B2 (en) 2003-09-29 2007-10-16 Sony Corporation Method for grouping short windows in audio encoding
US7325023B2 (en) * 2003-09-29 2008-01-29 Sony Corporation Method of making a window type decision based on MDCT data in audio encoding
US7426462B2 (en) 2003-09-29 2008-09-16 Sony Corporation Fast codebook selection method in audio encoding
US7349842B2 (en) * 2003-09-29 2008-03-25 Sony Corporation Rate-distortion control scheme in audio encoding
CN1938759A (zh) * 2004-12-22 2007-03-28 松下电器产业株式会社 Mpeg音频解码方法
US8521540B2 (en) * 2007-08-17 2013-08-27 Qualcomm Incorporated Encoding and/or decoding digital signals using a permutation value

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5301255A (en) * 1990-11-09 1994-04-05 Matsushita Electric Industrial Co., Ltd. Audio signal subband encoder

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR950008637B1 (ko) * 1993-04-08 1995-08-03 삼성전자주식회사 부밴드 코딩시스템의 신호처리장치
US5588029A (en) * 1995-01-20 1996-12-24 Lsi Logic Corporation MPEG audio synchronization system using subframe skip and repeat

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5301255A (en) * 1990-11-09 1994-04-05 Matsushita Electric Industrial Co., Ltd. Audio signal subband encoder

Also Published As

Publication number Publication date
US5703579A (en) 1997-12-30
CN1142729A (zh) 1997-02-12
TW316302B (enExample) 1997-09-21

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