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 |
WO2000021199A1 (fr) * | 1998-10-06 | 2000-04-13 | Matsushita Electric Industrial Co., Ltd. | Procede et dispositif de codage a compression sans perte, et procede et dispositif de decodage a compression sans perte |
WO2003019533A1 (fr) * | 2001-08-24 | 2003-03-06 | Kabushiki Kaisha Kenwood | Dispositif et procede d'interpolation adaptive de composantes de frequence d'un signal |
BRPI0516201A (pt) * | 2004-09-28 | 2008-08-26 | Matsushita Electric Ind Co Ltd | aparelho de codificação escalonável e método de codificação escalonável |
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 |
CA2717584C (en) * | 2008-03-04 | 2015-05-12 | Lg Electronics Inc. | Method and apparatus for processing an audio signal |
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 |
WO1986004198A1 (en) * | 1984-12-29 | 1986-07-17 | Sony Corporation | Digital signal transmission device |
DE68927483T2 (de) * | 1988-02-29 | 1997-04-03 | Sony Corp | 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 US US07/776,213 patent/US5303374A/en not_active Expired - Fee Related
- 1991-10-15 EP EP91309444A patent/EP0481707B1/de not_active Expired - Lifetime
- 1991-10-15 DE DE69121044T patent/DE69121044T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
DE69121044T2 (de) | 1997-02-06 |
US5303374A (en) | 1994-04-12 |
EP0481707A2 (de) | 1992-04-22 |
EP0481707B1 (de) | 1996-07-24 |
KR920009094A (ko) | 1992-05-28 |
EP0481707A3 (en) | 1992-08-05 |
JPH04150522A (ja) | 1992-05-25 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE69027820D1 (de) | Kodierer/Dekodierer mit adaptiver Quantisierung | |
DE69125582D1 (de) | HDTV-Kodierer mit adaptiver Dämpfung | |
DE69426266D1 (de) | Datengesteuerter verschlüssler für da-wandler mit multibit-rauschsignalformung | |
DE69328413D1 (de) | Adaptiver Entzerrer | |
DE69414985D1 (de) | Verzweigungsentscheidungskodierung | |
DE69410322D1 (de) | Adaptives Subbandfilter mit geringer Verzögerung | |
DE69434518D1 (de) | Adaptiver entzerrer | |
DE68924951D1 (de) | Herzschrittmacher mit adaptiver Schrittfrequenz. | |
DE69431495D1 (de) | Adaptiver, signalangepasster Filter | |
DE69220683D1 (de) | Adaptive Entzerrer | |
DE69031774D1 (de) | Adaptiver Gruppierer | |
DE69601343D1 (de) | Maximalwahrscheinlichkeitsdekodierung mit weichen Entscheidungen | |
DE69805228D1 (de) | Videosignalkodierung mit adaptiver Quantisierung | |
DE69328626D1 (de) | Fotokopierer mit kodierungsfunktion | |
DE69231678D1 (de) | Bewegungskompensierte Prädiktionseinrichtung | |
AU643827B2 (en) | Linear prediction speech coding with high-frequency preemphasis | |
DK0577809T3 (da) | Dobbelttilstands langtidsprediktion i talekodning | |
DE69518982D1 (de) | Steuerungssystem mit einem adaptiven predictor | |
BR9103822A (pt) | Transmissao | |
DE69121044D1 (de) | Adaptivgeschaltete Prädiktionskodierung mit Rauschformung | |
DE69107155D1 (de) | Rauschformerschaltung. | |
DE69221431D1 (de) | Einrichtung zur adaptiven Quantisierung | |
DE69227389D1 (de) | System zur adaptiven Zwischenbild/Zwischenraster-Vorhersagekodierung | |
DE3851277D1 (de) | Vorhersage-Kodiersystem mit Geräuschverminderung. | |
GB9124890D0 (en) | Noise absorber |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |