IL40497A0 - Adaptive filter system for determining input characteristics - Google Patents

Adaptive filter system for determining input characteristics

Info

Publication number
IL40497A0
IL40497A0 IL40497A IL4049772A IL40497A0 IL 40497 A0 IL40497 A0 IL 40497A0 IL 40497 A IL40497 A IL 40497A IL 4049772 A IL4049772 A IL 4049772A IL 40497 A0 IL40497 A0 IL 40497A0
Authority
IL
Israel
Prior art keywords
adaptive filter
filter system
input characteristics
determining input
determining
Prior art date
Application number
IL40497A
Other languages
English (en)
Original Assignee
Rockland Systems 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 Rockland Systems Corp filed Critical Rockland Systems Corp
Publication of IL40497A0 publication Critical patent/IL40497A0/xx

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H21/00—Adaptive networks
    • H03H21/0012—Digital adaptive filters
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R23/00—Arrangements for measuring frequencies; Arrangements for analysing frequency spectra
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; 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
    • G10L19/02—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 spectral analysis, e.g. transform vocoders or subband vocoders
    • G—PHYSICS
    • G10—MUSICAL INSTRUMENTS; ACOUSTICS
    • G10L—SPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L25/00—Speech or voice analysis techniques not restricted to a single one of groups G10L15/00 - G10L21/00
    • G10L25/93—Discriminating between voiced and unvoiced parts of speech signals
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00—Networks using digital techniques
    • H03H17/02—Frequency selective networks
    • H03H17/06—Non-recursive filters

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Networks Using Active Elements (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
IL40497A 1972-08-09 1972-10-04 Adaptive filter system for determining input characteristics IL40497A0 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00279064A US3808370A (en) 1972-08-09 1972-08-09 System using adaptive filter for determining characteristics of an input

Publications (1)

Publication Number Publication Date
IL40497A0 true IL40497A0 (en) 1972-12-29

Family

ID=23067496

Family Applications (1)

Application Number Title Priority Date Filing Date
IL40497A IL40497A0 (en) 1972-08-09 1972-10-04 Adaptive filter system for determining input characteristics

Country Status (5)

Country Link
US (1) US3808370A (fr)
JP (1) JPS4947052A (fr)
DE (1) DE2251579A1 (fr)
FR (1) FR2195796A1 (fr)
IL (1) IL40497A0 (fr)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5918717B2 (ja) * 1979-02-28 1984-04-28 ケイディディ株式会社 適応形ピツチ抽出方式
US4304965A (en) * 1979-05-29 1981-12-08 Texas Instruments Incorporated Data converter for a speech synthesizer
US4383135A (en) * 1980-01-23 1983-05-10 Scott Instruments Corporation Method and apparatus for speech recognition
JPS5873284A (ja) * 1981-10-28 1983-05-02 Sony Corp 高解像度撮像装置
US5577117A (en) * 1994-06-09 1996-11-19 Northern Telecom Limited Methods and apparatus for estimating and adjusting the frequency response of telecommunications channels
US6505152B1 (en) * 1999-09-03 2003-01-07 Microsoft Corporation Method and apparatus for using formant models in speech systems
US6975977B2 (en) * 2001-03-28 2005-12-13 Sun Microsystems, Inc. Low-complexity, high accuracy model of a CPU anti-resonance system
CN1932976B (zh) * 2006-09-18 2010-06-23 北京北大方正电子有限公司 一种实现视音频处理中字幕与语音同步的方法和系统
WO2010032405A1 (fr) * 2008-09-16 2010-03-25 パナソニック株式会社 Appareil d'analyse de la parole, appareil d'analyse/synthèse de la parole, appareil de génération d'informations de règle de correction, système d'analyse de la parole, procédé d'analyse de la parole, procédé de génération d'informations de règle de correction, et programme

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3078345A (en) * 1958-07-31 1963-02-19 Melpar Inc Speech compression systems
GB936124A (en) * 1960-12-30 1963-09-04 Secr Aviation Speech bandwidth compression systems
US3327057A (en) * 1963-11-08 1967-06-20 Bell Telephone Labor Inc Speech analysis
US3437757A (en) * 1966-06-15 1969-04-08 Bell Telephone Labor Inc Speech analysis system
US3439122A (en) * 1966-06-15 1969-04-15 Bell Telephone Labor Inc Speech analysis system
GB1303808A (fr) * 1969-04-24 1973-01-24

Also Published As

Publication number Publication date
US3808370A (en) 1974-04-30
JPS4947052A (fr) 1974-05-07
DE2251579A1 (de) 1974-02-21
FR2195796A1 (fr) 1974-03-08

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