DE69918313D1 - Verfahren und vorrichtung zur signalkompression im festpunktformat ohne bias - Google Patents
Verfahren und vorrichtung zur signalkompression im festpunktformat ohne biasInfo
- Publication number
- DE69918313D1 DE69918313D1 DE69918313T DE69918313T DE69918313D1 DE 69918313 D1 DE69918313 D1 DE 69918313D1 DE 69918313 T DE69918313 T DE 69918313T DE 69918313 T DE69918313 T DE 69918313T DE 69918313 D1 DE69918313 D1 DE 69918313D1
- Authority
- DE
- Germany
- Prior art keywords
- bias
- signal
- fixed point
- rounded
- signal compression
- 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
-
- 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
- G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
- G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
-
- 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
- G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
- G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
- G06F7/499—Denomination or exception handling, e.g. rounding or overflow
- G06F7/49942—Significance control
- G06F7/49947—Rounding
- G06F7/49952—Sticky bit
-
- 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
- G06F7/38—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation
- G06F7/48—Methods or arrangements for performing computations using exclusively denominational number representation, e.g. using binary, ternary, decimal representation using non-contact-making devices, e.g. tube, solid state device; using unspecified devices
- G06F7/499—Denomination or exception handling, e.g. rounding or overflow
- G06F7/49942—Significance control
- G06F7/49947—Rounding
- G06F7/49963—Rounding to nearest
Landscapes
- Engineering & Computer Science (AREA)
- Theoretical Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Physics & Mathematics (AREA)
- Computing Systems (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Pure & Applied Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Computational Mathematics (AREA)
- Compression, Expansion, Code Conversion, And Decoders (AREA)
- Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
- Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US09/134,248 US6148317A (en) | 1998-08-14 | 1998-08-14 | Method and apparatus for compressing signals in a fixed point format without introducing a bias |
US134248 | 1998-08-14 | ||
PCT/US1999/018546 WO2000010253A2 (en) | 1998-08-14 | 1999-08-13 | A method and apparatus for compressing signals in a fixed point format without introducing a bias |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69918313D1 true DE69918313D1 (de) | 2004-07-29 |
DE69918313T2 DE69918313T2 (de) | 2005-09-29 |
Family
ID=22462453
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69918313T Expired - Fee Related DE69918313T2 (de) | 1998-08-14 | 1999-08-13 | Verfahren und vorrichtung zur signalkompression im festpunktformat ohne bias |
Country Status (11)
Country | Link |
---|---|
US (1) | US6148317A (de) |
EP (1) | EP1110325B1 (de) |
JP (1) | JP4354648B2 (de) |
KR (1) | KR20010072504A (de) |
CN (1) | CN1321269A (de) |
AT (1) | ATE270009T1 (de) |
AU (1) | AU767325B2 (de) |
CA (1) | CA2340421A1 (de) |
DE (1) | DE69918313T2 (de) |
RU (1) | RU2233024C2 (de) |
WO (1) | WO2000010253A2 (de) |
Families Citing this family (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6243728B1 (en) * | 1999-07-12 | 2001-06-05 | Sony Corporation Of Japan | Partitioned shift right logic circuit having rounding support |
GB0031771D0 (en) * | 2000-12-29 | 2001-02-07 | Lsi Logic Corp | Bit reduction using dither,rounding and error feedback |
JP3755602B2 (ja) * | 2003-03-04 | 2006-03-15 | ソニー株式会社 | 信号処理装置、信用処理装置用プログラム、信号処理装置用プログラムを記録した記録媒体、及び信号処理方法 |
US8301803B2 (en) * | 2009-10-23 | 2012-10-30 | Samplify Systems, Inc. | Block floating point compression of signal data |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP3199371B2 (ja) * | 1990-07-30 | 2001-08-20 | 松下電器産業株式会社 | 丸め装置 |
US5214598A (en) * | 1990-11-09 | 1993-05-25 | Adaptive Solutions, Inc. | Unbiased bit disposal apparatus and method |
JPH05503178A (ja) * | 1990-11-09 | 1993-05-27 | アダプティブ・ソリューションズ・インコーポレーテッド | 偏りのないビット廃棄装置および方法 |
US5424967A (en) * | 1993-11-29 | 1995-06-13 | Hewlett-Packard Company | Shift and rounding circuit and method |
US5696710A (en) * | 1995-12-29 | 1997-12-09 | Thomson Consumer Electronics, Inc. | Apparatus for symmetrically reducing N least significant bits of an M-bit digital signal |
-
1998
- 1998-08-14 US US09/134,248 patent/US6148317A/en not_active Expired - Lifetime
-
1999
- 1999-08-13 RU RU2001107011/09A patent/RU2233024C2/ru not_active IP Right Cessation
- 1999-08-13 EP EP99941157A patent/EP1110325B1/de not_active Expired - Lifetime
- 1999-08-13 DE DE69918313T patent/DE69918313T2/de not_active Expired - Fee Related
- 1999-08-13 AU AU54866/99A patent/AU767325B2/en not_active Ceased
- 1999-08-13 WO PCT/US1999/018546 patent/WO2000010253A2/en not_active Application Discontinuation
- 1999-08-13 CN CN99811666A patent/CN1321269A/zh active Pending
- 1999-08-13 AT AT99941157T patent/ATE270009T1/de not_active IP Right Cessation
- 1999-08-13 CA CA002340421A patent/CA2340421A1/en not_active Abandoned
- 1999-08-13 KR KR1020017001935A patent/KR20010072504A/ko not_active Application Discontinuation
- 1999-08-13 JP JP2000565606A patent/JP4354648B2/ja not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
ATE270009T1 (de) | 2004-07-15 |
EP1110325A2 (de) | 2001-06-27 |
KR20010072504A (ko) | 2001-07-31 |
WO2000010253A2 (en) | 2000-02-24 |
AU767325B2 (en) | 2003-11-06 |
DE69918313T2 (de) | 2005-09-29 |
US6148317A (en) | 2000-11-14 |
CA2340421A1 (en) | 2000-02-24 |
RU2233024C2 (ru) | 2004-07-20 |
JP2002523913A (ja) | 2002-07-30 |
JP4354648B2 (ja) | 2009-10-28 |
WO2000010253A3 (en) | 2000-05-18 |
CN1321269A (zh) | 2001-11-07 |
EP1110325B1 (de) | 2004-06-23 |
AU5486699A (en) | 2000-03-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8339 | Ceased/non-payment of the annual fee |