CN86107928A - 数字压缩—扩展电路 - Google Patents

数字压缩—扩展电路 Download PDF

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Publication number
CN86107928A
CN86107928A CN198686107928A CN86107928A CN86107928A CN 86107928 A CN86107928 A CN 86107928A CN 198686107928 A CN198686107928 A CN 198686107928A CN 86107928 A CN86107928 A CN 86107928A CN 86107928 A CN86107928 A CN 86107928A
Authority
CN
China
Prior art keywords
signal
circuit
linear
bus
port
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.)
Pending
Application number
CN198686107928A
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English (en)
Chinese (zh)
Inventor
米兰·斯库布尼克
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Microsemi Semiconductor ULC
Original Assignee
Mitel Corp
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitel Corp filed Critical Mitel Corp
Publication of CN86107928A publication Critical patent/CN86107928A/zh
Pending legal-status Critical Current

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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
    • H03M7/50—Conversion to or from non-linear codes, e.g. companding
    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; 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
    • G06F7/544—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 for evaluating functions by calculation
    • G06F7/556—Logarithmic or exponential functions

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Theoretical Computer Science (AREA)
  • General Physics & Mathematics (AREA)
  • Mathematical Analysis (AREA)
  • Pure & Applied Mathematics (AREA)
  • Computational Mathematics (AREA)
  • Computing Systems (AREA)
  • Mathematical Optimization (AREA)
  • General Engineering & Computer Science (AREA)
  • Nonlinear Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
CN198686107928A 1986-02-25 1986-11-20 数字压缩—扩展电路 Pending CN86107928A (zh)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CA000502658A CA1240063A (en) 1986-02-25 1986-02-25 Digital companding circuit
CA502,658 1986-02-25

Publications (1)

Publication Number Publication Date
CN86107928A true CN86107928A (zh) 1987-09-09

Family

ID=4132551

Family Applications (1)

Application Number Title Priority Date Filing Date
CN198686107928A Pending CN86107928A (zh) 1986-02-25 1986-11-20 数字压缩—扩展电路

Country Status (7)

Country Link
US (1) US4740993A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
JP (2) JPS62203426A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CN (1) CN86107928A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
CA (1) CA1240063A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
DE (1) DE3644015A1 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
GB (1) GB2187013B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)
IT (1) IT1197349B (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112769820A (zh) * 2021-01-06 2021-05-07 紫光展锐(重庆)科技有限公司 数据压缩方法、装置、设备及存储介质、芯片、模组设备

Families Citing this family (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5060242A (en) * 1989-02-24 1991-10-22 General Electric Company Non-destructive lossless image coder
US5542068A (en) * 1991-12-10 1996-07-30 Microsoft Corporation Method and system for storing floating point numbers to reduce storage space
EP0644553B1 (en) * 1993-09-20 2000-07-12 Codex Corporation Circuit and method of interconnecting content addressable memory
US5499382A (en) * 1993-09-20 1996-03-12 Nusinov; Eugene B. Circuit and method of bit-packing and bit-unpacking using a barrel shifter
US5566089A (en) * 1994-10-26 1996-10-15 General Instrument Corporation Of Delaware Syntax parser for a video decompression processor
US6111870A (en) 1996-11-07 2000-08-29 Interdigital Technology Corporation Method and apparatus for compressing and transmitting high speed data
GB2330749B (en) 1997-10-24 2002-08-21 Sony Uk Ltd Audio signal processor
US6327651B1 (en) * 1998-09-08 2001-12-04 International Business Machines Corporation Wide shifting in the vector permute unit
US7671778B2 (en) * 2003-06-18 2010-03-02 General Instrument Corporation Digital signal processing scheme for high performance HFC digital return path system with bandwidth conservation
US8082526B2 (en) * 2006-03-08 2011-12-20 Altera Corporation Dedicated crossbar and barrel shifter block on programmable logic resources

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3435134A (en) * 1966-03-21 1969-03-25 Rca Corp Digital television data compression system
US4339818A (en) * 1980-04-30 1982-07-13 Broadcom, Incorporated Digital multiplexer with increased channel capacity
US4386237A (en) * 1980-12-22 1983-05-31 Intelsat NIC Processor using variable precision block quantization
JPS58165441A (ja) * 1982-03-26 1983-09-30 Hitachi Ltd Ｐｃｍ信号符号器
BE897773A (nl) * 1983-09-19 1984-03-19 Bell Telephone Mfg Cy Pulse code modulatie omzetter
US4513279A (en) * 1983-12-05 1985-04-23 Gte Communications Products Corporation Charge redistribution mu-law PCM decoder
JPH0657075B2 (ja) * 1984-05-29 1994-07-27 富士通株式会社 ディジタル通話路装置
JPS61274425A (ja) * 1985-05-20 1986-12-04 Fujitsu Ltd デイジタル圧縮回路

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112769820A (zh) * 2021-01-06 2021-05-07 紫光展锐(重庆)科技有限公司 数据压缩方法、装置、设备及存储介质、芯片、模组设备
CN112769820B (zh) * 2021-01-06 2022-10-21 紫光展锐(重庆)科技有限公司 数据压缩方法、装置、设备及存储介质、芯片、模组设备

Also Published As

Publication number Publication date
DE3644015C2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) 1989-01-05
GB2187013A (en) 1987-08-26
GB8625231D0 (en) 1986-11-26
IT8621861A1 (it) 1988-03-30
JPS62203426A (ja) 1987-09-08
IT8621861A0 (it) 1986-09-30
US4740993A (en) 1988-04-26
CA1240063A (en) 1988-08-02
GB2187013B (en) 1989-11-08
JPH04103731U (ja) 1992-09-07
DE3644015A1 (de) 1987-08-27
IT1197349B (it) 1988-11-30

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