CS266303B2 - Digital filter - Google Patents

Digital filter Download PDF

Info

Publication number
CS266303B2
CS266303B2 CS784019A CS401978A CS266303B2 CS 266303 B2 CS266303 B2 CS 266303B2 CS 784019 A CS784019 A CS 784019A CS 401978 A CS401978 A CS 401978A CS 266303 B2 CS266303 B2 CS 266303B2
Authority
CS
Czechoslovakia
Prior art keywords
output
výstup
filter
input
adder
Prior art date
Application number
CS784019A
Other languages
Czech (cs)
English (en)
Other versions
CS401978A2 (en
Inventor
George L Brantingham
Richard H Wiggins
Original Assignee
Texas Instruments 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 Texas Instruments Inc filed Critical Texas Instruments Inc
Publication of CS401978A2 publication Critical patent/CS401978A2/cs
Publication of CS266303B2 publication Critical patent/CS266303B2/cs

Links

Classifications

    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00Networks using digital techniques
    • H03H17/02Frequency selective networks
    • H03H17/0283Filters characterised by the filter structure
    • H03H17/0285Ladder or lattice filters
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L13/00Speech synthesis; Text to speech systems
    • G10L13/02Methods for producing synthetic speech; Speech synthesisers
    • G10L13/04Details of speech synthesis systems, e.g. synthesiser structure or memory management
    • G10L13/047Architecture of speech synthesisers
    • HELECTRICITY
    • H03ELECTRONIC CIRCUITRY
    • H03HIMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H17/00Networks using digital techniques
    • H03H17/02Frequency selective networks
    • H03H17/04Recursive filters
    • GPHYSICS
    • G10MUSICAL INSTRUMENTS; ACOUSTICS
    • G10LSPEECH ANALYSIS TECHNIQUES OR SPEECH SYNTHESIS; SPEECH RECOGNITION; SPEECH OR VOICE PROCESSING TECHNIQUES; SPEECH OR AUDIO CODING OR DECODING
    • G10L19/00Speech 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
    • G10L19/04Speech 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
    • G10L19/06Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • Mathematical Physics (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Health & Medical Sciences (AREA)
  • Computational Linguistics (AREA)
  • Human Computer Interaction (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Complex Calculations (AREA)
  • Electrophonic Musical Instruments (AREA)
  • Compression, Expansion, Code Conversion, And Decoders (AREA)
  • Analogue/Digital Conversion (AREA)
  • Filters That Use Time-Delay Elements (AREA)
CS784019A 1977-06-17 1978-06-19 Digital filter CS266303B2 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US80746177A 1977-06-17 1977-06-17

Publications (2)

Publication Number Publication Date
CS401978A2 CS401978A2 (en) 1989-02-10
CS266303B2 true CS266303B2 (en) 1989-12-13

Family

ID=25196423

Family Applications (1)

Application Number Title Priority Date Filing Date
CS784019A CS266303B2 (en) 1977-06-17 1978-06-19 Digital filter

Country Status (20)

Country Link
JP (1) JPS547838A (de)
AR (1) AR218313A1 (de)
AU (1) AU520897B2 (de)
BE (1) BE868205A (de)
BR (1) BR7803856A (de)
CA (1) CA1118104A (de)
CH (1) CH633922A5 (de)
CS (1) CS266303B2 (de)
DE (1) DE2826570A1 (de)
ES (3) ES470853A1 (de)
FR (1) FR2394933A1 (de)
GB (1) GB1603993A (de)
IL (1) IL54878A (de)
IT (1) IT1156831B (de)
MX (1) MX144810A (de)
NL (1) NL186425C (de)
PL (1) PL116404B1 (de)
SE (1) SE437747B (de)
SU (1) SU886760A3 (de)
ZA (1) ZA783305B (de)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2020077B (en) * 1978-04-28 1983-01-12 Texas Instruments Inc Learning aid or game having miniature electronic speech synthesizer chip
GB2059726B (en) * 1979-10-03 1984-06-27 Nippon Telegraph & Telephone Sound synthesizer
JPS6054680B2 (ja) * 1981-07-16 1985-11-30 カシオ計算機株式会社 Lsp音声合成装置
AU588334B2 (en) * 1985-07-18 1989-09-14 Raytheon Company Digital sound synthesizer and method
CA1328509C (en) * 1988-03-28 1994-04-12 Tetsu Taguchi Linear predictive speech analysis-synthesis apparatus

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2199427A5 (de) * 1972-09-12 1974-04-05 Ibm France
US3979557A (en) * 1974-07-03 1976-09-07 International Telephone And Telegraph Corporation Speech processor system for pitch period extraction using prediction filters
NL7506141A (nl) * 1975-05-26 1976-11-30 Philips Nv Digitaal filter.
US3980873A (en) * 1975-06-27 1976-09-14 Aeronutronic Ford Corporation Digital convolutional filter
US4022974A (en) * 1976-06-03 1977-05-10 Bell Telephone Laboratories, Incorporated Adaptive linear prediction speech synthesizer

Also Published As

Publication number Publication date
IT1156831B (it) 1987-02-04
IT7849909A0 (it) 1978-06-16
PL116404B1 (en) 1981-06-30
FR2394933B1 (de) 1983-09-30
FR2394933A1 (fr) 1979-01-12
NL186425B (nl) 1990-06-18
CH633922A5 (en) 1982-12-31
AU3701778A (en) 1979-12-20
CA1118104A (en) 1982-02-09
MX144810A (es) 1981-11-23
DE2826570C2 (de) 1988-10-20
PL207704A1 (pl) 1979-04-09
BE868205A (fr) 1978-10-16
SU886760A3 (ru) 1981-11-30
AU520897B2 (en) 1982-03-04
JPS6144320B2 (de) 1986-10-02
IL54878A (en) 1980-07-31
JPS547838A (en) 1979-01-20
AR218313A1 (es) 1980-05-30
ZA783305B (en) 1980-01-30
IL54878A0 (en) 1978-08-31
DE2826570A1 (de) 1979-01-04
SE437747B (sv) 1985-03-11
SE7806380L (sv) 1978-12-18
GB1603993A (en) 1981-12-02
ES477928A1 (es) 1979-10-16
ES470853A1 (es) 1979-10-01
NL186425C (nl) 1990-11-16
CS401978A2 (en) 1989-02-10
NL7806366A (nl) 1978-12-19
ES477929A1 (es) 1979-10-16
BR7803856A (pt) 1979-04-17

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