DE69512413D1 - Signalverarbeitungsschaltung - Google Patents
SignalverarbeitungsschaltungInfo
- Publication number
- DE69512413D1 DE69512413D1 DE69512413T DE69512413T DE69512413D1 DE 69512413 D1 DE69512413 D1 DE 69512413D1 DE 69512413 T DE69512413 T DE 69512413T DE 69512413 T DE69512413 T DE 69512413T DE 69512413 D1 DE69512413 D1 DE 69512413D1
- Authority
- DE
- Germany
- Prior art keywords
- signal processing
- processing circuit
- circuit
- signal
- processing
- 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
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]
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Analogue/Digital Conversion (AREA)
- Communication Control (AREA)
- Logic Circuits (AREA)
- Complex Calculations (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA002127520A CA2127520C (en) | 1994-07-06 | 1994-07-06 | Signal processing circuit |
PCT/CA1995/000400 WO1996001527A1 (en) | 1994-07-06 | 1995-07-06 | Signal processing circuit |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69512413D1 true DE69512413D1 (de) | 1999-10-28 |
DE69512413T2 DE69512413T2 (de) | 2000-02-03 |
Family
ID=4153965
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69512413T Expired - Fee Related DE69512413T2 (de) | 1994-07-06 | 1995-07-06 | Signalverarbeitungsschaltung |
Country Status (6)
Country | Link |
---|---|
US (1) | US5991784A (de) |
EP (1) | EP0769225B1 (de) |
JP (1) | JP3375340B2 (de) |
CA (1) | CA2127520C (de) |
DE (1) | DE69512413T2 (de) |
WO (1) | WO1996001527A1 (de) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH09281995A (ja) * | 1996-04-12 | 1997-10-31 | Nec Corp | 信号符号化装置及び方法 |
US8301803B2 (en) * | 2009-10-23 | 2012-10-30 | Samplify Systems, Inc. | Block floating point compression of signal data |
CN112435663A (zh) * | 2020-11-11 | 2021-03-02 | 青岛歌尔智能传感器有限公司 | 命令语音管理方法、装置、设备及介质 |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4799182A (en) * | 1984-10-16 | 1989-01-17 | The Commonwealth Of Australia | Cellular floating-point serial pipelined multiplier |
US4858163A (en) * | 1987-07-02 | 1989-08-15 | General Datacomm, Inc. | Serial arithmetic processor |
FR2628589B1 (fr) * | 1988-03-14 | 1994-03-04 | Etat Francais | Codeur differentiel a filtre predicteur auto-adaptatif et decodeur utilisable en liaison avec un tel codeur |
GB8808569D0 (en) * | 1988-04-12 | 1988-05-11 | Texas Instruments Ltd | Improvements in/relating to digital signal processors |
-
1994
- 1994-07-06 CA CA002127520A patent/CA2127520C/en not_active Expired - Fee Related
-
1995
- 1995-07-06 US US08/765,205 patent/US5991784A/en not_active Expired - Lifetime
- 1995-07-06 DE DE69512413T patent/DE69512413T2/de not_active Expired - Fee Related
- 1995-07-06 EP EP95923162A patent/EP0769225B1/de not_active Expired - Lifetime
- 1995-07-06 WO PCT/CA1995/000400 patent/WO1996001527A1/en active IP Right Grant
- 1995-07-06 JP JP50359096A patent/JP3375340B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
WO1996001527A1 (en) | 1996-01-18 |
JPH10504428A (ja) | 1998-04-28 |
JP3375340B2 (ja) | 2003-02-10 |
US5991784A (en) | 1999-11-23 |
CA2127520A1 (en) | 1996-01-07 |
CA2127520C (en) | 2001-01-16 |
DE69512413T2 (de) | 2000-02-03 |
EP0769225B1 (de) | 1999-09-22 |
EP0769225A1 (de) | 1997-04-23 |
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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 |