FI63646C - Foerfarande foer minskning av kvantiseringsbruset i pulskodmodulationsanlaeggningar - Google Patents

Foerfarande foer minskning av kvantiseringsbruset i pulskodmodulationsanlaeggningar Download PDF

Info

Publication number
FI63646C
FI63646C FI760287A FI760287A FI63646C FI 63646 C FI63646 C FI 63646C FI 760287 A FI760287 A FI 760287A FI 760287 A FI760287 A FI 760287A FI 63646 C FI63646 C FI 63646C
Authority
FI
Finland
Prior art keywords
value
quantization
curve section
characteristic
curve
Prior art date
Application number
FI760287A
Other languages
English (en)
Finnish (fi)
Swedish (sv)
Other versions
FI63646B (fi
FI760287A (tr
Inventor
Josef Fluhr
Jean-Maurice Lutz
Nikolaus Molnar
Original Assignee
Siemens Ag Albis
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
Priority claimed from CH580875A external-priority patent/CH589387A5/de
Priority claimed from CH580775A external-priority patent/CH609507A5/xx
Application filed by Siemens Ag Albis filed Critical Siemens Ag Albis
Publication of FI760287A publication Critical patent/FI760287A/fi
Publication of FI63646B publication Critical patent/FI63646B/fi
Application granted granted Critical
Publication of FI63646C publication Critical patent/FI63646C/fi

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M1/00—Analogue/digital conversion; Digital/analogue conversion
    • H03M1/12—Analogue/digital converters
    • H03M1/34—Analogue value compared with reference values
    • H03M1/38—Analogue value compared with reference values sequentially only, e.g. successive approximation type
    • H03M1/40—Analogue value compared with reference values sequentially only, e.g. successive approximation type recirculation type

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Analogue/Digital Conversion (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Alarm Systems (AREA)
  • Noise Elimination (AREA)
FI760287A 1975-05-06 1976-02-06 Foerfarande foer minskning av kvantiseringsbruset i pulskodmodulationsanlaeggningar FI63646C (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
CH580875A CH589387A5 (en) 1975-05-06 1975-05-06 Quantisation noise in PCM systems reduction - applies to systems where coding is combined with compression and expansion
CH580875 1975-05-06
CH580775A CH609507A5 (en) 1975-05-06 1975-05-06 Method for reducing the quantisation noise in pulse code modulation systems
CH580775 1975-05-06

Publications (3)

Publication Number Publication Date
FI760287A FI760287A (tr) 1976-11-07
FI63646B FI63646B (fi) 1983-03-31
FI63646C true FI63646C (fi) 1983-07-11

Family

ID=25698401

Family Applications (1)

Application Number Title Priority Date Filing Date
FI760287A FI63646C (fi) 1975-05-06 1976-02-06 Foerfarande foer minskning av kvantiseringsbruset i pulskodmodulationsanlaeggningar

Country Status (11)

Country Link
AT (1) AT368329B (tr)
DE (1) DE2602797C3 (tr)
DK (1) DK145209C (tr)
FI (1) FI63646C (tr)
FR (1) FR2310662A1 (tr)
GB (1) GB1549396A (tr)
IL (1) IL49507A (tr)
IT (1) IT1059767B (tr)
NL (1) NL7600211A (tr)
NO (1) NO143081C (tr)
SE (1) SE412983B (tr)

Also Published As

Publication number Publication date
IT1059767B (it) 1982-06-21
IL49507A (en) 1978-08-31
NO760375L (tr) 1976-11-09
ATA259176A (de) 1982-01-15
NO143081B (no) 1980-09-01
GB1549396A (en) 1979-08-08
DE2602797A1 (de) 1976-11-18
NO143081C (no) 1980-12-10
FI63646B (fi) 1983-03-31
AT368329B (de) 1982-10-11
FR2310662A1 (fr) 1976-12-03
SE412983B (sv) 1980-03-24
IL49507A0 (en) 1976-07-30
NL7600211A (nl) 1976-11-09
DE2602797B2 (de) 1979-09-13
DK145209C (da) 1983-03-28
SE7601880L (sv) 1976-11-07
DE2602797C3 (de) 1980-06-04
FI760287A (tr) 1976-11-07
DK145209B (da) 1982-10-04
DK133876A (da) 1976-11-07
FR2310662B1 (tr) 1981-06-19

Similar Documents

Publication Publication Date Title
AU689500B2 (en) Apparatus for and method of speech digitizing
JPH06152415A (ja) 多段動作のレンジ分割形ａｄ変換手段
JPS57125517A (en) Da conversion circuit
US5231399A (en) Differential quantizer reference resistor ladder for use with an analog-to-digital converter
SE9604616L (sv) Analog-digitalomvandling av pipelinetyp
CA1192310A (en) Two stage a-to-d converter
US4990914A (en) Method and apparatus for interpolative A/D conversion
US6222478B1 (en) Pipeline analog-to-digital conversion system using a modified coding scheme and method of operation
ES432201A1 (es) Un sistema de transmision de senales.
KR940008207A (ko) 세미플래쉬형 아날로그/디지탈 변환기 및 변환방법
GB1418454A (en) Digital-to-analogue converters
CA1171966A (en) Analog-to-digital converting circuit
US4633226A (en) Multiple channel analog-to-digital converters
CA1141034A (en) Mu law coder and decoder
FI63646C (fi) Foerfarande foer minskning av kvantiseringsbruset i pulskodmodulationsanlaeggningar
KR100286326B1 (ko) 인터리빙샘플링아나로그/디지탈변환기
US4646322A (en) Adaptive delta modulation codec
US5084701A (en) Digital-to-analog converter using cyclical current source switching
US4507792A (en) PCM Encoder conformable to the A-law
US3990073A (en) Digital signal processing arrangement using a cascaded integrator function generator
EP0298216B1 (en) Circuit for PCM conversion of an analogic signal, with improvement in gain-tracking
US6456217B1 (en) Digital/analog converter having delta-sigma type pulse modulation circuit
US3766546A (en) Converter for segment companded pcm codes
US3676600A (en) Nonlinear encoder
JPS56164628A (en) Parallel feedback type analog-to-digital converter

Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: SIEMENS ALBIS AKTIENGESELLSCHAFT