ATA313483A - Tonfrequentes-analog/digital-umsetzsystem - Google Patents

Tonfrequentes-analog/digital-umsetzsystem

Info

Publication number
ATA313483A
ATA313483A AT833134A AT313483A ATA313483A AT A313483 A ATA313483 A AT A313483A AT 833134 A AT833134 A AT 833134A AT 313483 A AT313483 A AT 313483A AT A313483 A ATA313483 A AT A313483A
Authority
AT
Austria
Prior art keywords
digital conversion
conversion system
sound frequency
frequency analog
analog
Prior art date
Application number
AT833134A
Other languages
English (en)
Other versions
AT389962B (de
Original Assignee
Dolby Lab Licensing 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 Dolby Lab Licensing Corp filed Critical Dolby Lab Licensing Corp
Publication of ATA313483A publication Critical patent/ATA313483A/de
Application granted granted Critical
Publication of AT389962B publication Critical patent/AT389962B/de

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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/005—Combinations of two or more types of control, e.g. gain control and tone control of digital or coded signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/16—Automatic control
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/16—Automatic control
    • H03G5/165—Equalizers; Volume or gain control in limited frequency bands
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G9/00—Combinations of two or more types of control, e.g. gain control and tone control
    • H03G9/02—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers
    • H03G9/025—Combinations of two or more types of control, e.g. gain control and tone control in untuned amplifiers frequency-dependent volume compression or expansion, e.g. multiple-band systems
    • 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)
  • Theoretical Computer Science (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analogue/Digital Conversion (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
AT0313483A 1982-09-07 1983-09-01 Tonfrequentes-analog/digital-umsetzsystem AT389962B (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/415,028 US4507791A (en) 1982-05-05 1982-09-07 Analog and digital signal apparatus

Publications (2)

Publication Number Publication Date
ATA313483A true ATA313483A (de) 1989-07-15
AT389962B AT389962B (de) 1990-02-26

Family

ID=23644058

Family Applications (1)

Application Number Title Priority Date Filing Date
AT0313483A AT389962B (de) 1982-09-07 1983-09-01 Tonfrequentes-analog/digital-umsetzsystem

Country Status (14)

Country Link
US (1) US4507791A (de)
JP (1) JPS5972225A (de)
KR (1) KR910006441B1 (de)
AT (1) AT389962B (de)
BE (1) BE897704A (de)
BR (1) BR8304852A (de)
CA (1) CA1212776A (de)
CH (1) CH666586A5 (de)
DE (1) DE3331231A1 (de)
DK (1) DK405383A (de)
ES (1) ES525407A0 (de)
FR (1) FR2532801B1 (de)
GB (1) GB2127638B (de)
NL (1) NL8303035A (de)

Families Citing this family (29)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4700361A (en) * 1983-10-07 1987-10-13 Dolby Laboratories Licensing Corporation Spectral emphasis and de-emphasis
US4700362A (en) * 1983-10-07 1987-10-13 Dolby Laboratories Licensing Corporation A-D encoder and D-A decoder system
AU572555B2 (en) * 1983-10-07 1988-05-12 Dolby Laboratories Licensing Corporation Spectral preemphasis/deemphasis
GB2160394B (en) * 1984-05-02 1988-03-16 Pioneer Electronic Corp Noise reduction system
JPS60254828A (ja) * 1984-05-31 1985-12-16 Matsushita Electric Ind Co Ltd アナログ−デイジタル変換器
JPH0650432B2 (ja) * 1986-06-13 1994-06-29 ヤマハ株式会社 楽音信号発生装置
JP2547549B2 (ja) * 1986-10-04 1996-10-23 株式会社河合楽器製作所 電子楽器
US4829299A (en) * 1987-09-25 1989-05-09 Dolby Laboratories Licensing Corporation Adaptive-filter single-bit digital encoder and decoder and adaptation control circuit responsive to bit-stream loading
JP2692843B2 (ja) * 1988-03-31 1997-12-17 株式会社東芝 除算器
JPH02214323A (ja) * 1989-02-15 1990-08-27 Mitsubishi Electric Corp 適応型ハイパスフィルタ
US5124706A (en) * 1989-09-15 1992-06-23 Wavephore, Inc. Analog to digital and digital to analog signal processors
US5021786A (en) * 1989-09-15 1991-06-04 Gerdes Richard C Analog to digital and digital to analog signal processors
US5124657A (en) * 1989-10-06 1992-06-23 Waller Jr James K Composite signal processor and single-ended noise reduction system
US5208595A (en) * 1991-08-21 1993-05-04 Wavephore, Inc. Digitally controlled adaptive slew rate delta modulator
US6760451B1 (en) * 1993-08-03 2004-07-06 Peter Graham Craven Compensating filters
US6795740B1 (en) 2000-03-01 2004-09-21 Apple Computer, Inc. Rectifying overflow and underflow in equalized audio waveforms
CN1317883C (zh) * 2001-08-23 2007-05-23 汤姆森特许公司 显像管放大器中的自适应带宽控制
DE10241554A1 (de) * 2002-09-05 2004-03-25 Schleifring Und Apparatebau Gmbh Empfangseinrichtung für digitale Signale
DE102005015647A1 (de) * 2005-04-05 2006-10-12 Sennheiser Electronic Gmbh & Co. Kg Kompandersystem
FR2885460A1 (fr) * 2005-05-09 2006-11-10 Herve Magnier Procede de limitation sans distorsion du niveau d'un signal electrique
WO2009114123A2 (en) * 2008-03-10 2009-09-17 Newlans, Inc. Method, system, and apparatus for wideband signal processeing
JP5870368B2 (ja) 2010-02-12 2016-03-01 スペロ・デバイシーズ・インコーポレーテッド 広帯域アナログ無線周波数を処理する構成要素
FR2961980A1 (fr) * 2010-06-24 2011-12-30 France Telecom Controle d'une boucle de retroaction de mise en forme de bruit dans un codeur de signal audionumerique
WO2012061385A1 (en) 2010-11-01 2012-05-10 Newlans, Inc. Method and apparatus for power amplifier linearization
US8970252B2 (en) 2010-11-08 2015-03-03 Newlans, Inc. Field programmable analog array
US8779832B2 (en) 2011-11-01 2014-07-15 Newlans, Inc. Wideband signal processing
CN104662799A (zh) 2012-09-05 2015-05-27 纽兰斯公司 双二阶校准
US9692420B2 (en) * 2015-11-02 2017-06-27 Ess Technology, Inc. Programmable circuit components with recursive architecture
US12142292B2 (en) * 2021-03-23 2024-11-12 International Business Machines Corporation Superimposing high-frequency copies of emitted sounds

Family Cites Families (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2606972A (en) * 1946-01-23 1952-08-12 Myron T Smith System for reducing noise in the transmission of electric signals
NL7411988A (nl) * 1974-09-10 1976-03-12 Philips Nv Pulscodemodulatie met dynamiekbegrenzing.
JPS51127608A (en) * 1975-04-30 1976-11-06 Victor Co Of Japan Ltd Signal transmitting unit
US4101849A (en) * 1976-11-08 1978-07-18 Dbx, Inc. Adaptive filter
DE2718631C3 (de) * 1977-04-27 1980-06-26 Licentia Patent-Verwaltungs-Gmbh, 6000 Frankfurt Verfahren zur digitalen Übertragung von qualitativ hochwertigen Tonsignalen
JPS5427727A (en) * 1977-08-03 1979-03-02 Ricoh Co Ltd Printer
US4130729A (en) * 1977-09-19 1978-12-19 Scitronix Corporation Compressed speech system
US4305050A (en) * 1978-02-06 1981-12-08 Deltalab Research, Inc. Circuitry for generating reference signal for delta encoding systems
JPS5633013A (en) * 1979-08-25 1981-04-03 Chiyoda Chem Eng & Constr Co Ltd Filtering method
JPS5675730A (en) * 1979-11-26 1981-06-23 Pioneer Electronic Corp Information recording and reproducing system
JPS56122243A (en) * 1980-02-29 1981-09-25 Victor Co Of Japan Ltd Noise reduction system
JPS5714211A (en) * 1980-06-30 1982-01-25 Toshiba Corp Dynamic range varying circuit
JPS5731321A (en) * 1980-07-30 1982-02-19 Tokyo Shibaura Electric Co Protection relay unit
JPS5752239A (en) * 1980-09-09 1982-03-27 Sony Corp Noise reducing circuit

Also Published As

Publication number Publication date
JPS5972225A (ja) 1984-04-24
FR2532801A1 (fr) 1984-03-09
ES8501934A1 (es) 1984-12-01
KR910006441B1 (ko) 1991-08-24
CH666586A5 (de) 1988-07-29
GB2127638A (en) 1984-04-11
ES525407A0 (es) 1984-12-01
DE3331231A1 (de) 1984-03-08
DK405383D0 (da) 1983-09-06
BR8304852A (pt) 1984-04-24
NL8303035A (nl) 1984-04-02
GB8323263D0 (en) 1983-09-28
FR2532801B1 (fr) 1987-07-17
KR840006109A (ko) 1984-11-21
AT389962B (de) 1990-02-26
CA1212776A (en) 1986-10-14
DK405383A (da) 1984-03-08
US4507791A (en) 1985-03-26
BE897704A (fr) 1984-01-02
GB2127638B (en) 1986-07-30

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Legal Events

Date Code Title Description
ELJ Ceased due to non-payment of the annual fee