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
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)
Priority Applications (7)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR6920702A FR2045207A5 (ja) | 1969-06-20 | 1969-06-20 | |
DE19702030324 DE2030324A1 (ja) | 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 (ja) | 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 (ja) | 1969-06-20 | 1969-06-20 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR2045207A5 true FR2045207A5 (ja) | 1971-02-26 |
Family
ID=9036097
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR6920702A Expired FR2045207A5 (ja) | 1969-06-20 | 1969-06-20 |
Country Status (3)
Country | Link |
---|---|
DE (1) | DE2030324A1 (ja) |
FR (1) | FR2045207A5 (ja) |
GB (1) | GB1308636A (ja) |
Families Citing this family (1)
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 |
-
1969
- 1969-06-20 FR FR6920702A patent/FR2045207A5/fr not_active Expired
-
1970
- 1970-06-19 DE DE19702030324 patent/DE2030324A1/de active Pending
- 1970-08-19 GB GB2993170A patent/GB1308636A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
GB1308636A (en) | 1973-02-21 |
DE2030324A1 (ja) | 1970-12-23 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |