FR2045207A5 - - Google Patents

Info

Publication number
FR2045207A5
FR2045207A5 FR6920702A FR6920702A FR2045207A5 FR 2045207 A5 FR2045207 A5 FR 2045207A5 FR 6920702 A FR6920702 A FR 6920702A FR 6920702 A FR6920702 A FR 6920702A FR 2045207 A5 FR2045207 A5 FR 2045207A5
Authority
FR
France
Prior art keywords
comparator
amplifier
filters
input
impedances
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
FR6920702A
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.)
Bpifrance Financement SA
Original Assignee
Agence National de Valorisation de la Recherche ANVAR
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 Agence National de Valorisation de la Recherche ANVAR filed Critical Agence National de Valorisation de la Recherche ANVAR
Priority to FR6920702A priority Critical patent/FR2045207A5/fr
Priority to DE19702030324 priority patent/DE2030324A1/de
Priority to GB2993170A priority patent/GB1308636A/en
Priority to FR7039299A priority patent/FR2109514A6/fr
Application granted granted Critical
Publication of FR2045207A5 publication Critical patent/FR2045207A5/fr
Priority to GB4906071A priority patent/GB1374624A/en
Priority to DE19712153645 priority patent/DE2153645A1/de
Priority to US00194427A priority patent/US3787778A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/12—Frequency selective two-port networks using amplifiers with feedback
    • H03H11/126—Frequency selective two-port networks using amplifiers with feedback using a single operational amplifier
    • 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
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03G—CONTROL OF AMPLIFICATION
    • H03G5/00—Tone control or bandwidth control in amplifiers
    • H03G5/16—Automatic control
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
    • H03H11/00—Networks using active elements
    • H03H11/02—Multiple-port networks
    • H03H11/04—Frequency selective two-port networks
    • H03H11/12—Frequency selective two-port networks using amplifiers with feedback
    • H03H11/1217—Frequency selective two-port networks using amplifiers with feedback using a plurality of operational amplifiers

Landscapes

  • Engineering & Computer Science (AREA)
  • Computational Linguistics (AREA)
  • Signal Processing (AREA)
  • Health & Medical Sciences (AREA)
  • Audiology, Speech & Language Pathology (AREA)
  • Human Computer Interaction (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Multimedia (AREA)
  • Networks Using Active Elements (AREA)
  • Amplifiers (AREA)
FR6920702A 1969-06-20 1969-06-20 Expired FR2045207A5 (enrdf_load_stackoverflow)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR6920702A FR2045207A5 (enrdf_load_stackoverflow) 1969-06-20 1969-06-20
DE19702030324 DE2030324A1 (enrdf_load_stackoverflow) 1969-06-20 1970-06-19
GB2993170A GB1308636A (en) 1969-06-20 1970-08-19 Electrical filters enabling independent control of resonance frequenc and of bandpass especially for a speech synthesizer
FR7039299A FR2109514A6 (enrdf_load_stackoverflow) 1969-06-20 1970-10-30
GB4906071A GB1374624A (en) 1969-06-20 1971-10-21 Electrical filters enabling independent control of resonance or transition frequency and of band-pass especially for speech synth esizers
DE19712153645 DE2153645A1 (de) 1969-06-20 1971-10-27 Elektrische Filter mit unabhängiger Steuerung der Resonanz- oder Übergangsfrequenz und der Bandbreite, insbesondere für Formantensynthetisatoren der menschlichen Sprache
US00194427A US3787778A (en) 1969-06-20 1971-11-01 Electrical filters enabling independent control of resonance of transisition frequency and of band-pass, especially for speech synthesizers

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6920702A FR2045207A5 (enrdf_load_stackoverflow) 1969-06-20 1969-06-20

Publications (1)

Publication Number Publication Date
FR2045207A5 true FR2045207A5 (enrdf_load_stackoverflow) 1971-02-26

Family

ID=9036097

Family Applications (1)

Application Number Title Priority Date Filing Date
FR6920702A Expired FR2045207A5 (enrdf_load_stackoverflow) 1969-06-20 1969-06-20

Country Status (3)

Country Link
DE (1) DE2030324A1 (enrdf_load_stackoverflow)
FR (1) FR2045207A5 (enrdf_load_stackoverflow)
GB (1) GB1308636A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1083533B (it) * 1977-06-20 1985-05-21 Cselt Centro Studi Lab Telecom Procedimento e dispositivo per la generazione di un segnale tipo voce per l'effettuazione di misure oggettive delle prestazioni di apparecchiature facenti parte di sistemi di trasmissione di segnali vocali

Also Published As

Publication number Publication date
DE2030324A1 (enrdf_load_stackoverflow) 1970-12-23
GB1308636A (en) 1973-02-21

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Legal Events

Date Code Title Description
ST Notification of lapse