GB1256831A - - Google Patents

Info

Publication number
GB1256831A
GB1256831A GB1256831DA GB1256831A GB 1256831 A GB1256831 A GB 1256831A GB 1256831D A GB1256831D A GB 1256831DA GB 1256831 A GB1256831 A GB 1256831A
Authority
GB
United Kingdom
Prior art keywords
band
pass filter
signal
analogue
digital
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.)
Expired
Application number
Other languages
English (en)
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 filed Critical
Publication of GB1256831A publication Critical patent/GB1256831A/en
Expired legal-status Critical Current

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • General Physics & Mathematics (AREA)
  • Spectroscopy & Molecular Physics (AREA)
  • Multimedia (AREA)
  • Time-Division Multiplex Systems (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analogue/Digital Conversion (AREA)
  • Measurement Of Current Or Voltage (AREA)
GB1256831D 1969-06-27 1970-06-12 Expired GB1256831A (en, 2012)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US83729269A 1969-06-27 1969-06-27

Publications (1)

Publication Number Publication Date
GB1256831A true GB1256831A (en, 2012) 1971-12-15

Family

ID=25274074

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1256831D Expired GB1256831A (en, 2012) 1969-06-27 1970-06-12

Country Status (6)

Country Link
US (1) US3621389A (en, 2012)
CH (1) CH504002A (en, 2012)
DE (1) DE2028728A1 (en, 2012)
FR (1) FR2050972A5 (en, 2012)
GB (1) GB1256831A (en, 2012)
SE (1) SE351049B (en, 2012)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6492936B1 (en) * 1969-12-19 2002-12-10 The United States Of America As Represented By The Secretary Of The Navy Frequency spectrum analyzer
US4500837A (en) * 1981-01-15 1985-02-19 Westinghouse Electric Corp. Detection of DC content in an AC waveform
JPS59120369A (ja) * 1982-12-27 1984-07-11 Hitachi Ltd 溶接線倣い制御方法および装置
US4810959A (en) * 1988-02-16 1989-03-07 Grumman Aerospace Corporation Method of improving signal-to-noise ratio of detected random pulses
US7012854B1 (en) * 1990-06-21 2006-03-14 Honeywell International Inc. Method for detecting emitted acoustic signals including signal to noise ratio enhancement
US6023233A (en) * 1998-03-20 2000-02-08 Craven; Peter G. Data rate control for variable rate compression systems
KR100650845B1 (ko) * 2005-12-27 2006-11-28 주식회사 하이닉스반도체 소비 전력을 감소시키는 버퍼 제어 회로와, 이를 포함하는메모리 모듈용 반도체 메모리 장치 및 그 제어 동작 방법

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3515990A (en) * 1966-11-30 1970-06-02 Bell Telephone Labor Inc Apparatus for obtaining the amplitude and phase spectrums of a waveform

Also Published As

Publication number Publication date
CH504002A (de) 1971-02-28
FR2050972A5 (en, 2012) 1971-04-02
DE2028728A1 (de) 1971-01-07
US3621389A (en) 1971-11-16
SE351049B (en, 2012) 1972-11-13

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees