AU2002220045A1 - System and method for processing an audio signal prior to encoding - Google Patents

System and method for processing an audio signal prior to encoding

Info

Publication number
AU2002220045A1
AU2002220045A1 AU2002220045A AU2004502A AU2002220045A1 AU 2002220045 A1 AU2002220045 A1 AU 2002220045A1 AU 2002220045 A AU2002220045 A AU 2002220045A AU 2004502 A AU2004502 A AU 2004502A AU 2002220045 A1 AU2002220045 A1 AU 2002220045A1
Authority
AU
Australia
Prior art keywords
encoding
processing
audio signal
signal prior
prior
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.)
Abandoned
Application number
AU2002220045A
Inventor
Roland H. Deleon
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
DELFIN MEDIA GROUP Inc
Original Assignee
DELFIN MEDIA GROUP Inc
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 DELFIN MEDIA GROUP Inc filed Critical DELFIN MEDIA GROUP Inc
Publication of AU2002220045A1 publication Critical patent/AU2002220045A1/en
Abandoned legal-status Critical Current

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
    • H03M1/124—Sampling or signal conditioning arrangements specially adapted for A/D converters
    • H03M1/129—Means for adapting the input signal to the range the converter can handle, e.g. limiting, pre-scaling ; Out-of-range indication
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/16—Vocoder architecture
    • G10L19/167—Audio streaming, i.e. formatting and decoding of an encoded audio signal representation into a data stream for transmission or storage purposes
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS OR SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis
    • G10L19/04—Speech or audio signals analysis-synthesis techniques for redundancy reduction, e.g. in vocoders; Coding or decoding of speech or audio signals, using source filter models or psychoacoustic analysis using predictive techniques
    • G10L19/26—Pre-filtering or post-filtering
    • G10L19/265—Pre-filtering, e.g. high frequency emphasis prior to encoding
AU2002220045A 2000-11-30 2001-11-30 System and method for processing an audio signal prior to encoding Abandoned AU2002220045A1 (en)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
US25027500 2000-11-30
US60/250,275 2000-11-30
US09/858,203 2001-05-15
US09/858,203 US20020064285A1 (en) 2000-11-30 2001-05-15 System and method for processing an audio signal prior to encoding
PCT/US2001/045360 WO2002045280A2 (en) 2000-11-30 2001-11-30 System and method for processing an audio signal prior to encoding

Publications (1)

Publication Number Publication Date
AU2002220045A1 true AU2002220045A1 (en) 2002-06-11

Family

ID=29782342

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002220045A Abandoned AU2002220045A1 (en) 2000-11-30 2001-11-30 System and method for processing an audio signal prior to encoding

Country Status (3)

Country Link
US (1) US20020064285A1 (en)
AU (1) AU2002220045A1 (en)
WO (1) WO2002045280A2 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2846178B1 (en) * 2002-10-21 2005-03-11 Medialive ADAPTIVE AND PROGRESSIVE DISCONNECTION OF AUDIO STREAMS
US20050281421A1 (en) * 2004-06-22 2005-12-22 Armstrong Stephen W First person acoustic environment system and method
WO2006130931A1 (en) * 2005-06-10 2006-12-14 C-Media Electronics, Inc. Networked audio system
KR20080073926A (en) * 2007-02-07 2008-08-12 삼성전자주식회사 Method for implementing equalizer in audio signal decoder and apparatus therefor
TWI403911B (en) * 2008-11-28 2013-08-01 Inst Information Industry Chinese dictionary constructing apparatus and methods, and storage media
HUE059748T2 (en) * 2014-09-12 2022-12-28 Sony Group Corp Audio streams reception device and method

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4184047A (en) * 1977-06-22 1980-01-15 Langford Robert H Audio signal processing system
US4466119A (en) * 1983-04-11 1984-08-14 Industrial Research Products, Inc. Audio loudness control system
US5886276A (en) * 1997-01-16 1999-03-23 The Board Of Trustees Of The Leland Stanford Junior University System and method for multiresolution scalable audio signal encoding

Also Published As

Publication number Publication date
WO2002045280A2 (en) 2002-06-06
WO2002045280A3 (en) 2003-07-24
US20020064285A1 (en) 2002-05-30

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