NL181058B - Digitale frequentie-ontleder. - Google Patents

Digitale frequentie-ontleder.

Info

Publication number
NL181058B
NL181058B NLAANVRAGE7802412,A NL7802412A NL181058B NL 181058 B NL181058 B NL 181058B NL 7802412 A NL7802412 A NL 7802412A NL 181058 B NL181058 B NL 181058B
Authority
NL
Netherlands
Prior art keywords
pass filter
band
values
low
frame period
Prior art date
Application number
NLAANVRAGE7802412,A
Other languages
English (en)
Other versions
NL181058C (nl
NL7802412A (nl
Original Assignee
Nec 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 Nec Corp filed Critical Nec Corp
Publication of NL7802412A publication Critical patent/NL7802412A/nl
Publication of NL181058B publication Critical patent/NL181058B/nl
Application granted granted Critical
Publication of NL181058C publication Critical patent/NL181058C/nl

Links

Classifications

    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Computational Linguistics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Complex Calculations (AREA)
  • Filters That Use Time-Delay Elements (AREA)
  • Radar Systems Or Details Thereof (AREA)
  • Measurement Of Mechanical Vibrations Or Ultrasonic Waves (AREA)
  • Time-Division Multiplex Systems (AREA)
NLAANVRAGE7802412,A 1977-03-04 1978-03-03 Digitale frequentie-ontleder. NL181058C (nl)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP52023610A JPS6016582B2 (ja) 1977-03-04 1977-03-04 デイジタル周波数分析装置

Publications (3)

Publication Number Publication Date
NL7802412A NL7802412A (nl) 1978-09-06
NL181058B true NL181058B (nl) 1987-01-02
NL181058C NL181058C (nl) 1987-06-01

Family

ID=12115373

Family Applications (1)

Application Number Title Priority Date Filing Date
NLAANVRAGE7802412,A NL181058C (nl) 1977-03-04 1978-03-03 Digitale frequentie-ontleder.

Country Status (5)

Country Link
US (1) US4157457A (nl)
JP (1) JPS6016582B2 (nl)
DE (1) DE2809316A1 (nl)
FR (1) FR2382701A1 (nl)
NL (1) NL181058C (nl)

Families Citing this family (22)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS54139417A (en) * 1978-04-21 1979-10-29 Nippon Telegr & Teleph Corp <Ntt> Interpolation receiving devices at voice short break time
FR2424669A1 (fr) * 1978-04-27 1979-11-23 Materiel Telephonique Dispositifs analyseurs numeriques de spectres
AU529532B2 (en) * 1978-09-18 1983-06-09 Commonwealth Scientific And Industrial Research Organisation Frequency response analyser
DE2854315C2 (de) * 1978-12-15 1987-01-02 German Ing.(Grad.) 8060 Dachau Grimm Einrichtung zum Bestimmen von die Netzfrequenz beeinflussenden Störungen in elektrischen Energieversorgungsnetzen und Verwendung einer derartigen Einrichtung in einer adaptiven Frequenzregeleinrichtung für elektrische Energieversorgungsnetze
JPS584307B2 (ja) * 1979-10-23 1983-01-25 富士通株式会社 スペクトル分析器
US4354248A (en) * 1979-11-28 1982-10-12 Motorola, Inc. Programmable multifrequency tone receiver
GB2075299B (en) * 1980-04-22 1983-10-19 Casio Computer Co Ltd Digital filter device
FR2509500A1 (fr) * 1981-07-10 1983-01-14 Efcis Analyseur spectral a filtres communs a deux voies, notamment pour la reconnaissance vocale
US4590583A (en) * 1982-07-16 1986-05-20 At&T Bell Laboratories Coin telephone measurement circuitry
US4538236A (en) * 1982-09-24 1985-08-27 Rca Corporation Adaptive digital signal coring circuit
JPS603700A (ja) * 1983-06-22 1985-01-10 日本電気株式会社 音声検出方式
US4703433A (en) * 1984-01-09 1987-10-27 Hewlett-Packard Company Vector network analyzer with integral processor
US4649505A (en) * 1984-07-02 1987-03-10 General Electric Company Two-input crosstalk-resistant adaptive noise canceller
US4908785A (en) * 1985-08-16 1990-03-13 The Boeing Company Data compression method for telemetry of vibration data
US4779217A (en) * 1985-12-27 1988-10-18 Kyocera Corporation Octave multiple filter
JPH0681009B2 (ja) * 1986-01-20 1994-10-12 三菱電機株式会社 デジタルフイルタ装置
DE4417406C2 (de) * 1994-05-18 2000-09-28 Advantest Corp Hochauflösender Frequenzanalysator und Vektorspektrumanalysator
US6507804B1 (en) 1997-10-14 2003-01-14 Bently Nevada Corporation Apparatus and method for compressing measurement data corelative to machine status
US6026348A (en) * 1997-10-14 2000-02-15 Bently Nevada Corporation Apparatus and method for compressing measurement data correlative to machine status
JP3584027B2 (ja) * 2002-03-12 2004-11-04 沖電気工業株式会社 デジタルフィルタ
US8297123B2 (en) 2009-07-30 2012-10-30 General Electric Company Detection of anomalous movement in a reciprocating device
US9385724B1 (en) * 2013-10-03 2016-07-05 Altera Corporation Methods for operating configurable storage and processing blocks at double and single data rates

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3708746A (en) * 1971-11-08 1973-01-02 Univ Iowa State Res Found Inc System for spectrum analysis including digital filter with variable sampling rate

Also Published As

Publication number Publication date
FR2382701B1 (nl) 1981-12-31
JPS53108481A (en) 1978-09-21
JPS6016582B2 (ja) 1985-04-26
FR2382701A1 (fr) 1978-09-29
NL181058C (nl) 1987-06-01
NL7802412A (nl) 1978-09-06
DE2809316A1 (de) 1978-09-07
US4157457A (en) 1979-06-05

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Legal Events

Date Code Title Description
BB A search report has been drawn up
BC A request for examination has been filed
A85 Still pending on 85-01-01
DNT Communications of changes of names of applicants whose applications have been laid open to public inspection

Free format text: NEC CORPORATION

V1 Lapsed because of non-payment of the annual fee