SE465144B - Saett och anordning foer behandling av en analog signal - Google Patents

Saett och anordning foer behandling av en analog signal

Info

Publication number
SE465144B
SE465144B SE9002254A SE9002254A SE465144B SE 465144 B SE465144 B SE 465144B SE 9002254 A SE9002254 A SE 9002254A SE 9002254 A SE9002254 A SE 9002254A SE 465144 B SE465144 B SE 465144B
Authority
SE
Sweden
Prior art keywords
analog
signal
input signal
amplitude
ratio
Prior art date
Application number
SE9002254A
Other languages
English (en)
Swedish (sv)
Other versions
SE9002254D0 (sv
Inventor
Dent P Wilkonson
Original Assignee
Ericsson Ge Mobile Communicat
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
Publication of SE9002254D0 publication Critical patent/SE9002254D0/xx
Priority to SE9002254A priority Critical patent/SE465144B/sv
Application filed by Ericsson Ge Mobile Communicat filed Critical Ericsson Ge Mobile Communicat
Priority to EP91201285A priority patent/EP0463656B1/en
Priority to DK91201285.3T priority patent/DK0463656T3/da
Priority to DE69103346T priority patent/DE69103346T2/de
Priority to ES91201285T priority patent/ES2057736T3/es
Priority to NZ238314A priority patent/NZ238314A/xx
Priority to TW80104218A priority patent/TW227637B/zh
Priority to US07/713,776 priority patent/US5276764A/en
Priority to MYPI91001065A priority patent/MY107480A/en
Priority to CA002044817A priority patent/CA2044817C/en
Priority to IE209791A priority patent/IE66907B1/en
Priority to AU79249/91A priority patent/AU647797B2/en
Priority to FI913099A priority patent/FI105621B/fi
Priority to NO912483A priority patent/NO176740C/no
Priority to JP3153358A priority patent/JPH0750535A/ja
Priority to CN91104312A priority patent/CN1028826C/zh
Priority to PT98103A priority patent/PT98103B/pt
Publication of SE465144B publication Critical patent/SE465144B/sv
Priority to SG171894A priority patent/SG171894G/en
Priority to HK9595A priority patent/HK9595A/en

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04B—TRANSMISSION
    • H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
    • H04B1/62—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission for providing a predistortion of the signal in the transmitter and corresponding correction in the receiver, e.g. for improving the signal/noise ratio
    • H04B1/64—Volume compression or expansion arrangements
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03M—CODING; DECODING; CODE CONVERSION IN GENERAL
    • H03M3/00—Conversion of analogue values to or from differential modulation
    • H03M3/02—Delta modulation, i.e. one-bit differential modulation
    • H03M3/022—Delta modulation, i.e. one-bit differential modulation with adaptable step size, e.g. adaptive delta modulation [ADM]

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analogue/Digital Conversion (AREA)
  • Arrangements For Transmission Of Measured Signals (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
SE9002254A 1990-06-26 1990-06-26 Saett och anordning foer behandling av en analog signal SE465144B (sv)

Priority Applications (19)

Application Number Priority Date Filing Date Title
SE9002254A SE465144B (sv) 1990-06-26 1990-06-26 Saett och anordning foer behandling av en analog signal
EP91201285A EP0463656B1 (en) 1990-06-26 1991-05-28 A method and device for processing an analog signal
DK91201285.3T DK0463656T3 (da) 1990-06-26 1991-05-28 Fremgangsmåde til indretning til behandling af et analogt signal
DE69103346T DE69103346T2 (de) 1990-06-26 1991-05-28 Methode und Vorrichtung zur Behandlung eines analogen Signals.
ES91201285T ES2057736T3 (es) 1990-06-26 1991-05-28 Un metodo y un dispositivo para tratar una señal analogica.
NZ238314A NZ238314A (en) 1990-06-26 1991-05-29 Analog signal amplitude compression/expansion in square root ratio
TW80104218A TW227637B (pt) 1990-06-26 1991-05-29
US07/713,776 US5276764A (en) 1990-06-26 1991-06-12 Method and device for compressing and expanding an analog signal
MYPI91001065A MY107480A (en) 1990-06-26 1991-06-14 A method and device for processing an analog signal.
CA002044817A CA2044817C (en) 1990-06-26 1991-06-17 A method and device for processing an analog signal
IE209791A IE66907B1 (en) 1990-06-26 1991-06-19 A method and device for processing an analog signal
AU79249/91A AU647797B2 (en) 1990-06-26 1991-06-24 A method and device for processing an analog signal
FI913099A FI105621B (fi) 1990-06-26 1991-06-25 Menetelmä ja laite analogiasignaalin käsittelemiseksi
NO912483A NO176740C (no) 1990-06-26 1991-06-25 Fremgangsmåte og anordning for prosessering av et analogt signal
JP3153358A JPH0750535A (ja) 1990-06-26 1991-06-25 アナログ信号の処理方法と装置
CN91104312A CN1028826C (zh) 1990-06-26 1991-06-26 处理模拟信号的方法和设备
PT98103A PT98103B (pt) 1990-06-26 1991-06-26 Dispositivo e processo para processamento de um sinal analogico
SG171894A SG171894G (en) 1990-06-26 1994-12-03 A method and device for processing an analog signal
HK9595A HK9595A (en) 1990-06-26 1995-01-19 A method and device for processing an analog signal

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE9002254A SE465144B (sv) 1990-06-26 1990-06-26 Saett och anordning foer behandling av en analog signal
SG171894A SG171894G (en) 1990-06-26 1994-12-03 A method and device for processing an analog signal

Publications (2)

Publication Number Publication Date
SE9002254D0 SE9002254D0 (sv) 1990-06-26
SE465144B true SE465144B (sv) 1991-07-29

Family

ID=26660807

Family Applications (1)

Application Number Title Priority Date Filing Date
SE9002254A SE465144B (sv) 1990-06-26 1990-06-26 Saett och anordning foer behandling av en analog signal

Country Status (17)

Country Link
US (1) US5276764A (pt)
EP (1) EP0463656B1 (pt)
JP (1) JPH0750535A (pt)
CN (1) CN1028826C (pt)
AU (1) AU647797B2 (pt)
CA (1) CA2044817C (pt)
DE (1) DE69103346T2 (pt)
DK (1) DK0463656T3 (pt)
ES (1) ES2057736T3 (pt)
FI (1) FI105621B (pt)
HK (1) HK9595A (pt)
IE (1) IE66907B1 (pt)
NO (1) NO176740C (pt)
NZ (1) NZ238314A (pt)
PT (1) PT98103B (pt)
SE (1) SE465144B (pt)
SG (1) SG171894G (pt)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ATE173866T1 (de) * 1992-07-31 1998-12-15 Aphex Systems Ltd Anordnung zur anhebung der bassfrequenz eines audiosignals
KR0170259B1 (ko) * 1993-07-26 1999-03-30 김광호 신호처리방법 및 장치
US5796359A (en) * 1995-10-25 1998-08-18 Norand Corporation Data conversion and processing system
GB9601885D0 (en) * 1996-01-31 1996-04-03 Wolfson Ltd Compandors
US6269338B1 (en) * 1996-10-10 2001-07-31 U.S. Philips Corporation Data compression and expansion of an audio signal
CN1282154C (zh) * 1996-11-07 2006-10-25 皇家菲利浦电子有限公司 比特流信号的数据处理设备和方法
US6148086A (en) * 1997-05-16 2000-11-14 Aureal Semiconductor, Inc. Method and apparatus for replacing a voice with an original lead singer's voice on a karaoke machine
US7489790B2 (en) * 2000-12-05 2009-02-10 Ami Semiconductor, Inc. Digital automatic gain control
US6452524B1 (en) 2001-02-08 2002-09-17 Ericsson Inc. Delta sigma converter incorporating a multiplier
SG114498A1 (en) * 2001-08-31 2005-09-28 Univ Nanyang Method and apparatus for generating directional sound using an ultrasonic carrier wave
SG113393A1 (en) * 2001-08-31 2005-08-29 Univ Nanyang Method and apparatus for enhancing the sound quality of an ultrasonic loudspeaker system
EP1401166A1 (en) * 2002-09-18 2004-03-24 Nippon Telegraph and Telephone Corporation Method and Device for transmitting speech and music data using return-to-zero-signals
GB0414420D0 (en) * 2004-06-28 2004-07-28 Cambridge Silicon Radio Ltd Speech activity detection
US7685493B2 (en) * 2006-09-29 2010-03-23 Agere Systems Inc. Buffer compression in automatic retransmission request (ARQ) systems
CN106248125B (zh) * 2016-08-30 2019-02-05 浙江西子富沃德电机有限公司 一种带信号质量自检测功能的正余弦光电编码器
US10531099B2 (en) * 2016-09-30 2020-01-07 The Mitre Corporation Systems and methods for distributed quantization of multimodal images

Family Cites Families (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2967992A (en) * 1954-06-15 1961-01-10 Philips Corp Signal expansion device
DE1912218A1 (de) * 1968-05-17 1969-10-02 Ames Automobielbedrijf N V Schlafstelle fuer Automobile
US3949299A (en) * 1974-11-05 1976-04-06 North Electric Company Signal coding for telephone communication system
SU919098A1 (ru) * 1980-01-10 1982-04-07 Предприятие П/Я Г-4488 Устройство сжати динамического диапазона речевых сигналов
JPS57146297A (en) * 1981-03-04 1982-09-09 Nippon Electric Co Voice processor
US4493091A (en) * 1982-05-05 1985-01-08 Dolby Laboratories Licensing Corporation Analog and digital signal apparatus
JPS6046139A (ja) * 1983-08-24 1985-03-12 Nippon Telegr & Teleph Corp <Ntt> コンパンダ回路
GB8804811D0 (en) * 1988-03-01 1988-03-30 Shaye Communications Ltd Waveform encoder/decoder
US5079550A (en) * 1989-10-27 1992-01-07 Crystal Semiconductor Corporation Combining continuous time and discrete time signal processing in a delta-sigma modulator
DE69127491T2 (de) * 1990-04-05 1998-01-08 Matsushita Electric Industrial Co., Ltd., Kadoma, Osaka Digitaler Requantifizierer unter Verwendung von mehrstufigen Rauschformern

Also Published As

Publication number Publication date
DK0463656T3 (da) 1994-10-03
NO176740B (no) 1995-02-06
NO912483D0 (no) 1991-06-25
NO912483L (no) 1991-12-27
EP0463656A1 (en) 1992-01-02
HK9595A (en) 1995-01-27
IE66907B1 (en) 1996-02-07
ES2057736T3 (es) 1994-10-16
CN1057742A (zh) 1992-01-08
US5276764A (en) 1994-01-04
FI913099A7 (fi) 1991-12-27
EP0463656B1 (en) 1994-08-10
SE9002254D0 (sv) 1990-06-26
CN1028826C (zh) 1995-06-07
CA2044817A1 (en) 1991-12-27
AU7924991A (en) 1992-01-02
PT98103A (pt) 1993-08-31
FI105621B (fi) 2000-09-15
CA2044817C (en) 2000-03-07
PT98103B (pt) 1999-02-26
IE912097A1 (en) 1992-01-01
SG171894G (en) 1995-06-16
AU647797B2 (en) 1994-03-31
DE69103346T2 (de) 1995-02-16
JPH0750535A (ja) 1995-02-21
DE69103346D1 (de) 1994-09-15
NO176740C (no) 1995-05-16
FI913099A0 (fi) 1991-06-25
NZ238314A (en) 1993-09-27

Similar Documents

Publication Publication Date Title
SE465144B (sv) Saett och anordning foer behandling av en analog signal
Kurchuk et al. Signal-dependent variable-resolution clockless A/D conversion with application to continuous-time digital signal processing
EP0709969B1 (en) Sigma-delta modulator
US5745061A (en) Method of improving the stability of a sigma-delta modulator employing dither
US5727023A (en) Apparatus for and method of speech digitizing
JP2787445B2 (ja) デルタ−シグマ変調を使用するアナログ−ディジタル変換器
US4703308A (en) Apparatus and methods for digital-to-analogue conversion
JPH07162307A (ja) アナログ−ディジタル変換器
US5030952A (en) Sigma-delta type analog to digital converter with trimmed output and feedback
CN1106713C (zh) 一种使用频率调制的音频a/d转换器
JPH0661789A (ja) サンプリング周波数変換器
DK159231B (da) Analog-digital-omsaetter for (b+a)-bit med analog-digital-hjaelpeomsaetter for b-bit
KR19990037311A (ko) 오디오 신호 처리기
JPS58168323A (ja) 信号量子化装置
US20160204794A1 (en) Efficient Dithering Technique for Sigma-Delta Analog-to-Digital Converters
Domańska AD conversion with dither signal-possibilities and limitations
JPH06318872A (ja) Δςモジュレータ
JPS6112126A (ja) デルタ変調信号用サンプリング速度変換方法及び装置
US5122799A (en) Multi-modulator digital-to-analog converter
JPS6032433A (ja) オ−バ−サンプル形符号器
JPS6361510A (ja) アナログ−デジタル変換装置
Kościelnik et al. Natural compression and expansion characteristics of asynchronous sigma-delta adc
JPH1093437A (ja) 関数発生回路
CN118199634A (zh) 一种改良缩放式模数转换器
JPS59160321A (ja) コ−ダ／デコ−ダ装置

Legal Events

Date Code Title Description
NAL Patent in force

Ref document number: 9002254-2

Format of ref document f/p: F

NUG Patent has lapsed

Ref document number: 9002254-2

Format of ref document f/p: F