DE69121044D1 - Adaptivgeschaltete Prädiktionskodierung mit Rauschformung - Google Patents
Adaptivgeschaltete Prädiktionskodierung mit RauschformungInfo
- Publication number
- DE69121044D1 DE69121044D1 DE69121044T DE69121044T DE69121044D1 DE 69121044 D1 DE69121044 D1 DE 69121044D1 DE 69121044 T DE69121044 T DE 69121044T DE 69121044 T DE69121044 T DE 69121044T DE 69121044 D1 DE69121044 D1 DE 69121044D1
- Authority
- DE
- Germany
- Prior art keywords
- prediction coding
- noise shaping
- adaptive switched
- switched prediction
- adaptive
- 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 - Fee Related
Links
- 230000003044 adaptive effect Effects 0.000 title 1
- 238000007493 shaping process Methods 0.000 title 1
Classifications
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
- H03M7/30—Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction
- H03M7/3002—Conversion to or from differential modulation
- H03M7/3044—Conversion to or from differential modulation with several bits only, i.e. the difference between successive samples being coded by more than one bit, e.g. differential pulse code modulation [DPCM]
- H03M7/3046—Conversion to or from differential modulation with several bits only, i.e. the difference between successive samples being coded by more than one bit, e.g. differential pulse code modulation [DPCM] adaptive, e.g. adaptive differential pulse code modulation [ADPCM]
-
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
- H03M7/00—Conversion of a code where information is represented by a given sequence or number of digits to a code where the same, similar or subset of information is represented by a different sequence or number of digits
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2273286A JPH04150522A (ja) | 1990-10-15 | 1990-10-15 | ディジタル信号処理装置 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69121044D1 true DE69121044D1 (de) | 1996-08-29 |
DE69121044T2 DE69121044T2 (de) | 1997-02-06 |
Family
ID=17525733
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69121044T Expired - Fee Related DE69121044T2 (de) | 1990-10-15 | 1991-10-15 | Adaptivgeschaltete Prädiktionskodierung mit Rauschformung |
Country Status (5)
Country | Link |
---|---|
US (1) | US5303374A (de) |
EP (1) | EP0481707B1 (de) |
JP (1) | JPH04150522A (de) |
KR (1) | KR920009094A (de) |
DE (1) | DE69121044T2 (de) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP1062659B1 (de) * | 1998-03-19 | 2002-01-30 | Siemens Aktiengesellschaft | Verfahren und vorrichtung zur bearbeitung eines tonsignals |
JP3723740B2 (ja) * | 1998-10-06 | 2005-12-07 | 松下電器産業株式会社 | ロスレス圧縮符号方法とその装置およびロスレス圧縮復号方法とその装置 |
JP4012506B2 (ja) * | 2001-08-24 | 2007-11-21 | 株式会社ケンウッド | 信号の周波数成分を適応的に補間するための装置および方法 |
WO2006035705A1 (ja) * | 2004-09-28 | 2006-04-06 | Matsushita Electric Industrial Co., Ltd. | スケーラブル符号化装置およびスケーラブル符号化方法 |
JP4396683B2 (ja) * | 2006-10-02 | 2010-01-13 | カシオ計算機株式会社 | 音声符号化装置、音声符号化方法、及び、プログラム |
KR101324577B1 (ko) * | 2007-07-16 | 2013-11-04 | 삼성전자주식회사 | 지연된 신호에 avc를 적용하는 신호 처리장치 및 방법 |
US20090076828A1 (en) * | 2007-08-27 | 2009-03-19 | Texas Instruments Incorporated | System and method of data encoding |
ES2464722T3 (es) * | 2008-03-04 | 2014-06-03 | Lg Electronics Inc. | Método y aparato para procesar una señal de audio |
CN104143986B (zh) * | 2013-05-07 | 2019-04-19 | 中兴通讯股份有限公司 | 一种Delta Sigma调制器及其实现调制的方法 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2605361A (en) * | 1950-06-29 | 1952-07-29 | Bell Telephone Labor Inc | Differential quantization of communication signals |
US2724740A (en) * | 1950-06-29 | 1955-11-22 | Bell Telephone Labor Inc | Quantized transmission with variable quanta |
JPS60237738A (ja) * | 1984-05-11 | 1985-11-26 | Sony Corp | デイジタル信号伝送装置 |
JPS60251733A (ja) * | 1984-05-28 | 1985-12-12 | Sony Corp | デイジタル信号伝送装置 |
US4797902A (en) * | 1984-12-29 | 1989-01-10 | Sony Corporation | Digital signal transmission device |
EP0331405B1 (de) * | 1988-02-29 | 1996-11-27 | Sony Corporation | Verfahren und Einrichtung zur Digitalsignalverarbeitung |
-
1990
- 1990-10-15 JP JP2273286A patent/JPH04150522A/ja active Pending
-
1991
- 1991-10-10 KR KR1019910017802A patent/KR920009094A/ko not_active Application Discontinuation
- 1991-10-15 DE DE69121044T patent/DE69121044T2/de not_active Expired - Fee Related
- 1991-10-15 EP EP91309444A patent/EP0481707B1/de not_active Expired - Lifetime
- 1991-10-15 US US07/776,213 patent/US5303374A/en not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR920009094A (ko) | 1992-05-28 |
EP0481707A3 (en) | 1992-08-05 |
JPH04150522A (ja) | 1992-05-25 |
DE69121044T2 (de) | 1997-02-06 |
US5303374A (en) | 1994-04-12 |
EP0481707B1 (de) | 1996-07-24 |
EP0481707A2 (de) | 1992-04-22 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |