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FR2394933A1 - DIGITAL MESH FILTER FOR SIGNAL OR SPEECH SYNTHESIS - Google Patents

DIGITAL MESH FILTER FOR SIGNAL OR SPEECH SYNTHESIS

Info

Publication number
FR2394933A1
FR2394933A1FR7818289AFR7818289AFR2394933A1FR 2394933 A1FR2394933 A1FR 2394933A1FR 7818289 AFR7818289 AFR 7818289AFR 7818289 AFR7818289 AFR 7818289AFR 2394933 A1FR2394933 A1FR 2394933A1
Authority
FR
France
Prior art keywords
signal
speech synthesis
mesh filter
multiplier
output
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.)
Granted
Application number
FR7818289A
Other languages
French (fr)
Other versions
FR2394933B1 (en
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.)
Texas Instruments Inc
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 IncfiledCriticalTexas Instruments Inc
Publication of FR2394933A1publicationCriticalpatent/FR2394933A1/en
Application grantedgrantedCritical
Publication of FR2394933B1publicationCriticalpatent/FR2394933B1/fr
Grantedlegal-statusCriticalCurrent

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Abstract

Translated fromFrench

L'invention concerne un filtre numérique du type utilisé dans des circuits générateurs de formes d'ondes complexes. Ce filtre comporte un multiplicateur, un additionneur connecté à la sortie du multiplicateur et des circuits à retard connectés à la sortie de l'additionneur. Une mémoire à registre est reliée à la sortie de l'un des circuits à retard. Les coefficients du filtre sont mémorisés dans une mémoire reliée à une entrée du multiplicateur. L'invention s'applique notamment à la synthèse de la parole humaine.The invention relates to a digital filter of the type used in circuits generating complex waveforms. This filter comprises a multiplier, an adder connected to the output of the multiplier and delay circuits connected to the output of the adder. A register memory is connected to the output of one of the delay circuits. The coefficients of the filter are stored in a memory connected to an input of the multiplier. The invention applies in particular to the synthesis of human speech.

FR7818289A1977-06-171978-06-19 DIGITAL MESH FILTER FOR SIGNAL OR SPEECH SYNTHESISGrantedFR2394933A1 (en)

Applications Claiming Priority (1)

Application NumberPriority DateFiling DateTitle
US80746177A1977-06-171977-06-17

Publications (2)

Publication NumberPublication Date
FR2394933A1true FR2394933A1 (en)1979-01-12
FR2394933B1 FR2394933B1 (en)1983-09-30

Family

ID=25196423

Family Applications (1)

Application NumberTitlePriority DateFiling Date
FR7818289AGrantedFR2394933A1 (en)1977-06-171978-06-19 DIGITAL MESH FILTER FOR SIGNAL OR SPEECH SYNTHESIS

Country Status (20)

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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
FR2443114A1 (en)*1978-04-281980-06-27Texas Instruments Inc DEVICE FOR DIGITAL SPEECH SYNTHESIS
NL8005449A (en)*1979-10-031981-04-07Nippon Telegraph & Telephone SYNTHESIS DEVICE FOR SOUND.

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
JPS6054680B2 (en)*1981-07-161985-11-30カシオ計算機株式会社 LSP speech synthesizer
AU588334B2 (en)*1985-07-181989-09-14Raytheon CompanyDigital sound synthesizer and method
CA1328509C (en)*1988-03-281994-04-12Tetsu TaguchiLinear predictive speech analysis-synthesis apparatus

Citations (3)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
FR2199427A5 (en)*1972-09-121974-04-05Ibm France
US3979557A (en)*1974-07-031976-09-07International Telephone And Telegraph CorporationSpeech processor system for pitch period extraction using prediction filters
US4022974A (en)*1976-06-031977-05-10Bell Telephone Laboratories, IncorporatedAdaptive linear prediction speech synthesizer

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
NL7506141A (en)*1975-05-261976-11-30Philips Nv DIGITAL FILTER.
US3980873A (en)*1975-06-271976-09-14Aeronutronic Ford CorporationDigital convolutional filter

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
FR2199427A5 (en)*1972-09-121974-04-05Ibm France
US3979557A (en)*1974-07-031976-09-07International Telephone And Telegraph CorporationSpeech processor system for pitch period extraction using prediction filters
US4022974A (en)*1976-06-031977-05-10Bell Telephone Laboratories, IncorporatedAdaptive linear prediction speech synthesizer

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
EXBK/68*
EXBK/74*

Cited By (3)

* Cited by examiner, † Cited by third party
Publication numberPriority datePublication dateAssigneeTitle
FR2443114A1 (en)*1978-04-281980-06-27Texas Instruments Inc DEVICE FOR DIGITAL SPEECH SYNTHESIS
NL8005449A (en)*1979-10-031981-04-07Nippon Telegraph & Telephone SYNTHESIS DEVICE FOR SOUND.
FR2466826A1 (en)*1979-10-031981-04-10Nippon Telegraph & Telephone SYNTHESIZER OF SOUNDS

Also Published As

Publication numberPublication date
ZA783305B (en)1980-01-30
CA1118104A (en)1982-02-09
JPS547838A (en)1979-01-20
GB1603993A (en)1981-12-02
SE437747B (en)1985-03-11
ES470853A1 (en)1979-10-01
SE7806380L (en)1978-12-18
NL7806366A (en)1978-12-19
FR2394933B1 (en)1983-09-30
BR7803856A (en)1979-04-17
PL207704A1 (en)1979-04-09
SU886760A3 (en)1981-11-30
NL186425B (en)1990-06-18
AU520897B2 (en)1982-03-04
ES477928A1 (en)1979-10-16
IT1156831B (en)1987-02-04
PL116404B1 (en)1981-06-30
DE2826570C2 (en)1988-10-20
JPS6144320B2 (en)1986-10-02
NL186425C (en)1990-11-16
IL54878A0 (en)1978-08-31
CH633922A5 (en)1982-12-31
MX144810A (en)1981-11-23
CS401978A2 (en)1989-02-10
AR218313A1 (en)1980-05-30
DE2826570A1 (en)1979-01-04
IL54878A (en)1980-07-31
BE868205A (en)1978-10-16
CS266303B2 (en)1989-12-13
IT7849909A0 (en)1978-06-16
AU3701778A (en)1979-12-20
ES477929A1 (en)1979-10-16

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