DK0493466T3 - System til reduktion af ordbredde ved behandling og transmission af videosignaler - Google Patents
System til reduktion af ordbredde ved behandling og transmission af videosignalerInfo
- Publication number
- DK0493466T3 DK0493466T3 DK90914245.7T DK90914245T DK0493466T3 DK 0493466 T3 DK0493466 T3 DK 0493466T3 DK 90914245 T DK90914245 T DK 90914245T DK 0493466 T3 DK0493466 T3 DK 0493466T3
- Authority
- DK
- Denmark
- Prior art keywords
- pct
- words
- series
- bit
- input signal
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F7/00—Methods or arrangements for processing data by operating upon the order or content of the data handled
- G06F7/76—Arrangements for rearranging, permuting or selecting data according to predetermined rules, independently of the content of the data
- G06F7/78—Arrangements for rearranging, permuting or selecting data according to predetermined rules, independently of the content of the data for changing the order of data flow, e.g. matrix transposition or LIFO buffers; Overflow or underflow handling therefor
-
- 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
- H03M7/3004—Digital delta-sigma modulation
- H03M7/3015—Structural details of digital delta-sigma modulators
- H03M7/3031—Structural details of digital delta-sigma modulators characterised by the order of the loop filter, e.g. having a first order loop filter in the feedforward path
- H03M7/3042—Structural details of digital delta-sigma modulators characterised by the order of the loop filter, e.g. having a first order loop filter in the feedforward path the modulator being of the error feedback type, i.e. having loop filter stages in the feedback path only
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
- H04N19/00—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals
- H04N19/90—Methods or arrangements for coding, decoding, compressing or decompressing digital video signals using coding techniques not provided for in groups H04N19/10-H04N19/85, e.g. fractals
-
- 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
- H03M7/3004—Digital delta-sigma modulation
- H03M7/3015—Structural details of digital delta-sigma modulators
- H03M7/302—Structural details of digital delta-sigma modulators characterised by the number of quantisers and their type and resolution
- H03M7/3024—Structural details of digital delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only
- H03M7/3028—Structural details of digital delta-sigma modulators characterised by the number of quantisers and their type and resolution having one quantiser only the quantiser being a single bit one
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Physics & Mathematics (AREA)
- Multimedia (AREA)
- General Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Mathematical Physics (AREA)
- Signal Processing (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Television Systems (AREA)
- Analogue/Digital Conversion (AREA)
- Compression Or Coding Systems Of Tv Signals (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
- Radar Systems Or Details Thereof (AREA)
- Details Of Television Scanning (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NL8902368A NL8902368A (nl) | 1989-09-21 | 1989-09-21 | Inrichting voor het reduceren van de bit-rate van een pcm signaal ten behoeve van videotransmissie. |
NL8902751A NL8902751A (nl) | 1989-09-21 | 1989-11-07 | Inrichting voor woordbreedtereductie ten behoeve van digitale videosignaalbehandeling en -transmissie. |
Publications (1)
Publication Number | Publication Date |
---|---|
DK0493466T3 true DK0493466T3 (da) | 1994-06-06 |
Family
ID=26646585
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK90914245.7T DK0493466T3 (da) | 1989-09-21 | 1990-09-20 | System til reduktion af ordbredde ved behandling og transmission af videosignaler |
Country Status (8)
Country | Link |
---|---|
US (1) | US5283577A (nl) |
EP (1) | EP0493466B1 (nl) |
AT (1) | ATE105449T1 (nl) |
DE (1) | DE69008731T2 (nl) |
DK (1) | DK0493466T3 (nl) |
ES (1) | ES2053204T3 (nl) |
NL (1) | NL8902751A (nl) |
WO (1) | WO1991004611A1 (nl) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH04329714A (ja) * | 1991-04-30 | 1992-11-18 | Nec Ic Microcomput Syst Ltd | ノイズシェーバ回路 |
US5592161A (en) * | 1992-12-16 | 1997-01-07 | Victor Company Of Japan, Ltd. | Method and apparatus for processing data signals in high quality without deterioration of signal-noise ratio |
US6204889B1 (en) * | 1995-12-15 | 2001-03-20 | Canon Kabushiki Kaisha | Image information processing apparatus |
GB9611138D0 (en) * | 1996-05-29 | 1996-07-31 | Domain Dynamics Ltd | Signal processing arrangements |
FR2765419B1 (fr) * | 1997-06-27 | 1999-09-17 | Thomson Csf | Dispositif de generation de signaux analogiques a partir de convertisseurs analogique-numerique, notamment pour la synthese numerique directe |
US6504495B1 (en) * | 1999-02-17 | 2003-01-07 | Arm Limited | Clipping data values in a data processing system |
EP1096368A1 (en) * | 1999-10-25 | 2001-05-02 | Telefonaktiebolaget L M Ericsson (Publ) | Method and circuit for resolution adaption |
US7191200B2 (en) * | 2003-07-10 | 2007-03-13 | Silicon Integrated Systems Corporation | Method and apparatus for binary number conversion |
US9350379B1 (en) * | 2015-01-15 | 2016-05-24 | Huawei Technologies Co., Ltd. | System and method for data conversion of signals using noise shaping |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4006475A (en) * | 1973-12-04 | 1977-02-01 | Bell Telephone Laboratories, Incorporated | Digital-to-analog converter with digitally distributed amplitude supplement |
DE3021012C2 (de) * | 1980-06-03 | 1985-08-22 | ANT Nachrichtentechnik GmbH, 7150 Backnang | Verallgemeinertes interpolativers Verfahren zur Digital-Analog-Umsetzung von PCM Signalen |
US4593271A (en) * | 1985-01-16 | 1986-06-03 | At&T Bell Laboratories | Higher order interpolation for digital-to-analog conversion |
JPH01233921A (ja) * | 1988-03-15 | 1989-09-19 | Toshiba Corp | △−σ変調器を用いたa/d変換回路 |
-
1989
- 1989-11-07 NL NL8902751A patent/NL8902751A/nl not_active Application Discontinuation
-
1990
- 1990-09-20 WO PCT/NL1990/000137 patent/WO1991004611A1/en active IP Right Grant
- 1990-09-20 EP EP90914245A patent/EP0493466B1/en not_active Expired - Lifetime
- 1990-09-20 DK DK90914245.7T patent/DK0493466T3/da active
- 1990-09-20 AT AT9090914245T patent/ATE105449T1/de not_active IP Right Cessation
- 1990-09-20 ES ES90914245T patent/ES2053204T3/es not_active Expired - Lifetime
- 1990-09-20 US US07/838,739 patent/US5283577A/en not_active Expired - Fee Related
- 1990-09-20 DE DE69008731T patent/DE69008731T2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
NL8902751A (nl) | 1991-04-16 |
US5283577A (en) | 1994-02-01 |
ATE105449T1 (de) | 1994-05-15 |
ES2053204T3 (es) | 1994-07-16 |
DE69008731D1 (de) | 1994-06-09 |
EP0493466B1 (en) | 1994-05-04 |
WO1991004611A1 (en) | 1991-04-04 |
EP0493466A1 (en) | 1992-07-08 |
DE69008731T2 (de) | 1994-11-10 |
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