NO145673C - Fremgangsmaate for ved overfoering av pcm-informasjon aa minske behovet av antallet overfoerte biter samt anordning for utfoerelse av fremgangsmaaten - Google Patents

Fremgangsmaate for ved overfoering av pcm-informasjon aa minske behovet av antallet overfoerte biter samt anordning for utfoerelse av fremgangsmaaten

Info

Publication number
NO145673C
NO145673C NO784437A NO784437A NO145673C NO 145673 C NO145673 C NO 145673C NO 784437 A NO784437 A NO 784437A NO 784437 A NO784437 A NO 784437A NO 145673 C NO145673 C NO 145673C
Authority
NO
Norway
Prior art keywords
procedure
transfered
bites
executing
transmission
Prior art date
Application number
NO784437A
Other languages
English (en)
Other versions
NO145673B (no
NO784437L (no
Inventor
Karl Ivan Lennart Skoog
Original Assignee
Ericsson Telefon Ab L M
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 Ericsson Telefon Ab L M filed Critical Ericsson Telefon Ab L M
Publication of NO784437L publication Critical patent/NO784437L/no
Publication of NO145673B publication Critical patent/NO145673B/no
Publication of NO145673C publication Critical patent/NO145673C/no

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
    • H04B14/046—Systems or methods for reducing noise or bandwidth
    • H04B14/048—Non linear compression or expansion
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B14/00—Transmission systems not characterised by the medium used for transmission
    • H04B14/02—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation
    • H04B14/04—Transmission systems not characterised by the medium used for transmission characterised by the use of pulse modulation using pulse code modulation
    • H04B14/046—Systems or methods for reducing noise or bandwidth

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Physics & Mathematics (AREA)
  • Nonlinear Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analogue/Digital Conversion (AREA)
  • Communication Control (AREA)
  • Error Detection And Correction (AREA)
NO784437A 1977-12-30 1978-12-29 Fremgangsmaate for ved overfoering av pcm-informasjon aa minske behovet av antallet overfoerte biter samt anordning for utfoerelse av fremgangsmaaten NO145673C (no)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
SE7714964A SE409793B (sv) 1977-12-30 1977-12-30 Sett for att vid overforing av pcm-information minska behovet av antalet overforda bitar samt anordning for utforande av settet

Publications (3)

Publication Number Publication Date
NO784437L NO784437L (no) 1979-07-03
NO145673B NO145673B (no) 1982-01-25
NO145673C true NO145673C (no) 1982-05-05

Family

ID=20333358

Family Applications (1)

Application Number Title Priority Date Filing Date
NO784437A NO145673C (no) 1977-12-30 1978-12-29 Fremgangsmaate for ved overfoering av pcm-informasjon aa minske behovet av antallet overfoerte biter samt anordning for utfoerelse av fremgangsmaaten

Country Status (8)

Country Link
US (1) US4349913A (no)
JP (1) JPS55500027A (no)
DE (1) DE2857329C1 (no)
GB (1) GB2036484B (no)
NL (1) NL7812670A (no)
NO (1) NO145673C (no)
SE (1) SE409793B (no)
WO (1) WO1979000462A1 (no)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4689757A (en) * 1983-01-17 1987-08-25 Vada Systems, Inc. Machine event processing system
US4654695A (en) * 1985-03-25 1987-03-31 Rca Corporation Apparatus for reducing the resolution of video samples by truncating the most significant bits
DE3513074A1 (de) * 1985-04-12 1986-10-23 Telefunken Fernseh Und Rundfunk Gmbh, 3000 Hannover Verfahren zur digitalen nachrichtenuebertragung
JPS63209209A (ja) * 1987-02-25 1988-08-30 Yamaha Corp デイジタル信号処理回路
JP2814053B2 (ja) * 1993-12-10 1998-10-22 日本プレシジョン・サーキッツ株式会社 信号記録方法、信号再生方法および信号記録再生方法
US6369728B1 (en) * 2000-09-20 2002-04-09 Waytech Investment Co. Ltd. Method and system for real-time processing of the recorded PCM data to get the desired full-scale range of values
CN101690070B (zh) * 2007-09-03 2012-11-28 中兴通讯股份有限公司 健壮头标压缩中采用窗基最低有效位解码的方法及装置

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3678389A (en) * 1969-10-21 1972-07-18 Communications Satellite Corp Method and means for minimizing the subjective effect of bit errors on pcm-encoded voice communication
JPS5027713B1 (no) * 1970-06-22 1975-09-09
SE361993B (no) * 1972-07-19 1973-11-19 Ericsson Telefon Ab L M

Also Published As

Publication number Publication date
GB2036484A (en) 1980-06-25
WO1979000462A1 (en) 1979-07-26
DE2857329C1 (de) 1983-12-08
SE7714964L (sv) 1979-07-01
US4349913A (en) 1982-09-14
GB2036484B (en) 1982-06-03
NO145673B (no) 1982-01-25
JPS55500027A (no) 1980-01-24
NO784437L (no) 1979-07-03
SE409793B (sv) 1979-09-03
NL7812670A (nl) 1979-07-03

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