KR840004991A - 아날로그 및 디지탈 신호 변환장치 - Google Patents

아날로그 및 디지탈 신호 변환장치 Download PDF

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Publication number
KR840004991A
KR840004991A KR1019830001909A KR830001909A KR840004991A KR 840004991 A KR840004991 A KR 840004991A KR 1019830001909 A KR1019830001909 A KR 1019830001909A KR 830001909 A KR830001909 A KR 830001909A KR 840004991 A KR840004991 A KR 840004991A
Authority
KR
South Korea
Prior art keywords
signal
analog
digital
response
variable
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.)
Ceased
Application number
KR1019830001909A
Other languages
English (en)
Korean (ko)
Inventor
야곱 곤드리 케네시
Original Assignee
토마스 알렌 개레거
돌비 레보레토리 라이센싱 코포레이션
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 토마스 알렌 개레거, 돌비 레보레토리 라이센싱 코포레이션 filed Critical 토마스 알렌 개레거
Publication of KR840004991A publication Critical patent/KR840004991A/ko
Ceased legal-status Critical Current

Links

Classifications

    • 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
    • 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)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analogue/Digital Conversion (AREA)
  • Transmission Systems Not Characterized By The Medium Used For Transmission (AREA)
  • Reduction Or Emphasis Of Bandwidth Of Signals (AREA)
  • Tone Control, Compression And Expansion, Limiting Amplitude (AREA)
KR1019830001909A 1982-05-05 1983-05-04 아날로그 및 디지탈 신호 변환장치 Ceased KR840004991A (ko)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US06/375,037 US4493091A (en) 1982-05-05 1982-05-05 Analog and digital signal apparatus
US375037 1982-05-05

Publications (1)

Publication Number Publication Date
KR840004991A true KR840004991A (ko) 1984-10-31

Family

ID=23479245

Family Applications (1)

Application Number Title Priority Date Filing Date
KR1019830001909A Ceased KR840004991A (ko) 1982-05-05 1983-05-04 아날로그 및 디지탈 신호 변환장치

Country Status (13)

Country Link
US (1) US4493091A (en, 2012)
JP (1) JPS58218245A (en, 2012)
KR (1) KR840004991A (en, 2012)
BE (1) BE896674A (en, 2012)
BR (1) BR8302311A (en, 2012)
CA (1) CA1218157A (en, 2012)
CH (1) CH666585A5 (en, 2012)
DE (1) DE3315519A1 (en, 2012)
DK (1) DK162911B (en, 2012)
ES (1) ES8500530A1 (en, 2012)
FR (1) FR2526608B1 (en, 2012)
GB (1) GB2121253B (en, 2012)
NL (1) NL8301572A (en, 2012)

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KR100341374B1 (ko) * 1994-02-09 2002-11-20 소니 가부시끼 가이샤 디지탈신호처리방법,디지털신호처리장치및기록매체

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US5530722A (en) * 1992-10-27 1996-06-25 Ericsson Ge Mobile Communications Inc. Quadrature modulator with integrated distributed RC filters
US5867537A (en) * 1992-10-27 1999-02-02 Ericsson Inc. Balanced tranversal I,Q filters for quadrature modulators
US5614903A (en) * 1995-08-29 1997-03-25 Trw Inc. Distortion suppressor for digital-to-analog converter
FR2832271A1 (fr) * 2001-11-13 2003-05-16 Koninkl Philips Electronics Nv Tuner comprenant un convertisseur de tension
US7027982B2 (en) * 2001-12-14 2006-04-11 Microsoft Corporation Quality and rate control strategy for digital audio
US6980695B2 (en) * 2002-06-28 2005-12-27 Microsoft Corporation Rate allocation for mixed content video
US7343291B2 (en) * 2003-07-18 2008-03-11 Microsoft Corporation Multi-pass variable bitrate media encoding
US7383180B2 (en) * 2003-07-18 2008-06-03 Microsoft Corporation Constant bitrate media encoding techniques
US8254455B2 (en) * 2007-06-30 2012-08-28 Microsoft Corporation Computing collocated macroblock information for direct mode macroblocks
US8325800B2 (en) 2008-05-07 2012-12-04 Microsoft Corporation Encoding streaming media as a high bit rate layer, a low bit rate layer, and one or more intermediate bit rate layers
US8379851B2 (en) 2008-05-12 2013-02-19 Microsoft Corporation Optimized client side rate control and indexed file layout for streaming media
US7860996B2 (en) 2008-05-30 2010-12-28 Microsoft Corporation Media streaming with seamless ad insertion
US8265140B2 (en) * 2008-09-30 2012-09-11 Microsoft Corporation Fine-grained client-side control of scalable media delivery
US8189666B2 (en) * 2009-02-02 2012-05-29 Microsoft Corporation Local picture identifier and computation of co-located information
US9172960B1 (en) * 2010-09-23 2015-10-27 Qualcomm Technologies, Inc. Quantization based on statistics and threshold of luminanceand chrominance
US9831843B1 (en) 2013-09-05 2017-11-28 Cirrus Logic, Inc. Opportunistic playback state changes for audio devices
US10284217B1 (en) 2014-03-05 2019-05-07 Cirrus Logic, Inc. Multi-path analog front end and analog-to-digital converter for a signal processing system
US9774342B1 (en) 2014-03-05 2017-09-26 Cirrus Logic, Inc. Multi-path analog front end and analog-to-digital converter for a signal processing system
US9306588B2 (en) 2014-04-14 2016-04-05 Cirrus Logic, Inc. Switchable secondary playback path
US10785568B2 (en) 2014-06-26 2020-09-22 Cirrus Logic, Inc. Reducing audio artifacts in a system for enhancing dynamic range of audio signal path
US9596537B2 (en) 2014-09-11 2017-03-14 Cirrus Logic, Inc. Systems and methods for reduction of audio artifacts in an audio system with dynamic range enhancement
US9503027B2 (en) 2014-10-27 2016-11-22 Cirrus Logic, Inc. Systems and methods for dynamic range enhancement using an open-loop modulator in parallel with a closed-loop modulator
US9959856B2 (en) 2015-06-15 2018-05-01 Cirrus Logic, Inc. Systems and methods for reducing artifacts and improving performance of a multi-path analog-to-digital converter
US9955254B2 (en) 2015-11-25 2018-04-24 Cirrus Logic, Inc. Systems and methods for preventing distortion due to supply-based modulation index changes in an audio playback system
US9543975B1 (en) 2015-12-29 2017-01-10 Cirrus Logic, Inc. Multi-path analog front end and analog-to-digital converter for a signal processing system with low-pass filter between paths
US9880802B2 (en) 2016-01-21 2018-01-30 Cirrus Logic, Inc. Systems and methods for reducing audio artifacts from switching between paths of a multi-path signal processing system
US9998826B2 (en) 2016-06-28 2018-06-12 Cirrus Logic, Inc. Optimization of performance and power in audio system
US10545561B2 (en) 2016-08-10 2020-01-28 Cirrus Logic, Inc. Multi-path digitation based on input signal fidelity and output requirements
US10263630B2 (en) 2016-08-11 2019-04-16 Cirrus Logic, Inc. Multi-path analog front end with adaptive path
US9813814B1 (en) 2016-08-23 2017-11-07 Cirrus Logic, Inc. Enhancing dynamic range based on spectral content of signal
US9780800B1 (en) 2016-09-19 2017-10-03 Cirrus Logic, Inc. Matching paths in a multiple path analog-to-digital converter
US9762255B1 (en) 2016-09-19 2017-09-12 Cirrus Logic, Inc. Reconfiguring paths in a multiple path analog-to-digital converter
US9929703B1 (en) 2016-09-27 2018-03-27 Cirrus Logic, Inc. Amplifier with configurable final output stage
US9967665B2 (en) 2016-10-05 2018-05-08 Cirrus Logic, Inc. Adaptation of dynamic range enhancement based on noise floor of signal
US10321230B2 (en) 2017-04-07 2019-06-11 Cirrus Logic, Inc. Switching in an audio system with multiple playback paths
US10008992B1 (en) 2017-04-14 2018-06-26 Cirrus Logic, Inc. Switching in amplifier with configurable final output stage
US9917557B1 (en) 2017-04-17 2018-03-13 Cirrus Logic, Inc. Calibration for amplifier with configurable final output stage
US10755722B2 (en) * 2018-08-29 2020-08-25 Guoguang Electric Company Limited Multiband audio signal dynamic range compression with overshoot suppression

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JPS5752239A (en) * 1980-09-09 1982-03-27 Sony Corp Noise reducing circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
KR100341374B1 (ko) * 1994-02-09 2002-11-20 소니 가부시끼 가이샤 디지탈신호처리방법,디지털신호처리장치및기록매체

Also Published As

Publication number Publication date
US4493091A (en) 1985-01-08
BE896674A (fr) 1983-09-01
CH666585A5 (de) 1988-07-29
GB2121253B (en) 1986-02-12
DK200983A (da) 1983-11-06
FR2526608A1 (fr) 1983-11-10
ES522078A0 (es) 1984-10-01
BR8302311A (pt) 1984-01-03
ES8500530A1 (es) 1984-10-01
GB2121253A (en) 1983-12-14
DE3315519C2 (en, 2012) 1991-11-07
DK200983D0 (da) 1983-05-05
GB8312217D0 (en) 1983-06-08
CA1218157A (en) 1987-02-17
FR2526608B1 (fr) 1989-01-13
DE3315519A1 (de) 1983-11-10
NL8301572A (nl) 1983-12-01
DK162911B (da) 1991-12-23
JPS58218245A (ja) 1983-12-19

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PA0109 Patent application

Patent event code: PA01091R01D

Comment text: Patent Application

Patent event date: 19830504

PG1501 Laying open of application
A201 Request for examination
PA0201 Request for examination

Patent event code: PA02012R01D

Patent event date: 19880429

Comment text: Request for Examination of Application

Patent event code: PA02011R01I

Patent event date: 19830504

Comment text: Patent Application

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 19910610

Patent event code: PE09021S01D

E902 Notification of reason for refusal
PE0902 Notice of grounds for rejection

Comment text: Notification of reason for refusal

Patent event date: 19911223

Patent event code: PE09021S01D

E601 Decision to refuse application
PE0601 Decision on rejection of patent

Patent event date: 19920331

Comment text: Decision to Refuse Application

Patent event code: PE06012S01D

Patent event date: 19911223

Comment text: Notification of reason for refusal

Patent event code: PE06011S01I

Patent event date: 19910610

Comment text: Notification of reason for refusal

Patent event code: PE06011S01I