FR2195796A1 - - Google Patents

Info

Publication number
FR2195796A1
FR2195796A1 FR7237399A FR7237399A FR2195796A1 FR 2195796 A1 FR2195796 A1 FR 2195796A1 FR 7237399 A FR7237399 A FR 7237399A FR 7237399 A FR7237399 A FR 7237399A FR 2195796 A1 FR2195796 A1 FR 2195796A1
Authority
FR
France
Prior art keywords
resonant
circuits
input signal
resonant frequencies
frequencies
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.)
Withdrawn
Application number
FR7237399A
Other languages
English (en)
French (fr)
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.)
ROCKLAND SYSTEM CORP
Original Assignee
ROCKLAND SYSTEM 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 SYSTEM CORP filed Critical ROCKLAND SYSTEM CORP
Publication of FR2195796A1 publication Critical patent/FR2195796A1/fr
Withdrawn legal-status Critical Current

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)
  • Multimedia (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Acoustics & Sound (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Mathematical Physics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • General Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Measurement Of Resistance Or Impedance (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Measurement And Recording Of Electrical Phenomena And Electrical Characteristics Of The Living Body (AREA)
  • Networks Using Active Elements (AREA)
FR7237399A 1972-08-09 1972-10-20 Withdrawn FR2195796A1 (enExample)

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
FR2195796A1 true FR2195796A1 (enExample) 1974-03-08

Family

ID=23067496

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7237399A Withdrawn FR2195796A1 (enExample) 1972-08-09 1972-10-20

Country Status (5)

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

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
CN101983402B (zh) * 2008-09-16 2012-06-27 松下电器产业株式会社 声音分析装置、方法、系统、合成装置、及校正规则信息生成装置、方法

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
US3439122A (en) * 1966-06-15 1969-04-15 Bell Telephone Labor Inc Speech analysis system
US3437757A (en) * 1966-06-15 1969-04-08 Bell Telephone Labor Inc Speech analysis system
GB1303808A (enExample) * 1969-04-24 1973-01-24

Also Published As

Publication number Publication date
IL40497A0 (en) 1972-12-29
US3808370A (en) 1974-04-30
JPS4947052A (enExample) 1974-05-07
DE2251579A1 (de) 1974-02-21

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Legal Events

Date Code Title Description
ST Notification of lapse