BE868205A - MESH FILTER FOR WAVEFORM OR SPEECH SYNTHESIS CIRCUITS USING DIGITAL LOGIC - Google Patents

MESH FILTER FOR WAVEFORM OR SPEECH SYNTHESIS CIRCUITS USING DIGITAL LOGIC

Info

Publication number: BE868205A
Authority: BE; Belgium
Prior art keywords: waveform; speech synthesis; digital logic; mesh filter; synthesis circuits
Prior art date: 1977-06-17

Application number

BE188641A

Other languages

French (fr)

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.)

1977-06-17

Filing date

1978-06-16

Publication date

1978-10-16

1978-06-16 Application filed by Texas Instruments Inc filed Critical Texas Instruments Inc

1978-10-16 Publication of BE868205A publication Critical patent/BE868205A/en

Classifications

- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/0283—Filters characterised by the filter structure
- H03H17/0285—Ladder or lattice filters
- 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
- G10L13/00—Speech synthesis; Text to speech systems
- G10L13/02—Methods for producing synthetic speech; Speech synthesisers
- G10L13/04—Details of speech synthesis systems, e.g. synthesiser structure or memory management
- G10L13/047—Architecture of speech synthesisers
- H—ELECTRICITY
- H03—ELECTRONIC CIRCUITRY
- H03H—IMPEDANCE NETWORKS, e.g. RESONANT CIRCUITS; RESONATORS
- H03H17/00—Networks using digital techniques
- H03H17/02—Frequency selective networks
- H03H17/04—Recursive filters
- 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
- G10L19/04—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 using predictive techniques
- G10L19/06—Determination or coding of the spectral characteristics, e.g. of the short-term prediction coefficients

Landscapes

Engineering & Computer Science (AREA)
Physics & Mathematics (AREA)
Mathematical Physics (AREA)
Computer Hardware Design (AREA)
Audiology, Speech & Language Pathology (AREA)
Human Computer Interaction (AREA)
Acoustics & Sound (AREA)
Multimedia (AREA)
Health & Medical Sciences (AREA)
Computational Linguistics (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)

BE188641A 1977-06-17 1978-06-16 MESH FILTER FOR WAVEFORM OR SPEECH SYNTHESIS CIRCUITS USING DIGITAL LOGIC BE868205A (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number	Publication Date
BE868205A true BE868205A (en)	1978-10-16

Family

ID=25196423

Family Applications (1)

Application Number	Title	Priority Date	Filing Date
BE188641A BE868205A (en)	1977-06-17	1978-06-16	MESH FILTER FOR WAVEFORM OR SPEECH SYNTHESIS CIRCUITS USING DIGITAL LOGIC

Country Status (20)

Country	Link
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)

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 (en) *	1981-07-16	1985-11-30	カシオ計算機株式会社	LSP speech synthesizer
AU588334B2 (en) *	1985-07-18	1989-09-14	Raytheon Company	Digital sound synthesizer and method
AU620384B2 (en) *	1988-03-28	1992-02-20	Nec Corporation	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 (en) *	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 (en) *	1975-05-26	1976-11-30	Philips Nv	DIGITAL 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

1978
- 1978-05-17 GB GB20115/78A patent/GB1603993A/en not_active Expired
- 1978-05-31 SE SE7806380A patent/SE437747B/en not_active IP Right Cessation
- 1978-06-08 ZA ZA783305A patent/ZA783305B/en unknown
- 1978-06-08 IL IL54878A patent/IL54878A/en unknown
- 1978-06-12 NL NLAANVRAGE7806366,A patent/NL186425C/en not_active IP Right Cessation
- 1978-06-12 AU AU37017/78A patent/AU520897B2/en not_active Expired
- 1978-06-13 CA CA000305329A patent/CA1118104A/en not_active Expired
- 1978-06-15 AR AR272628A patent/AR218313A1/en active
- 1978-06-16 IT IT49909/78A patent/IT1156831B/en active
- 1978-06-16 JP JP7314378A patent/JPS547838A/en active Granted
- 1978-06-16 BE BE188641A patent/BE868205A/en not_active IP Right Cessation
- 1978-06-16 MX MX173823A patent/MX144810A/en unknown
- 1978-06-16 ES ES470853A patent/ES470853A1/en not_active Expired
- 1978-06-16 SU SU782627100A patent/SU886760A3/en active
- 1978-06-16 DE DE19782826570 patent/DE2826570A1/en active Granted
- 1978-06-16 BR BR7803856A patent/BR7803856A/en unknown
- 1978-06-17 PL PL1978207704A patent/PL116404B1/en unknown
- 1978-06-19 CS CS784019A patent/CS266303B2/en unknown
- 1978-06-19 CH CH666378A patent/CH633922A5/en not_active IP Right Cessation
- 1978-06-19 FR FR7818289A patent/FR2394933A1/en active Granted
1979
- 1979-02-21 ES ES477929A patent/ES477929A1/en not_active Expired
- 1979-02-21 ES ES477928A patent/ES477928A1/en not_active Expired

Also Published As

Publication number	Publication date
PL116404B1 (en)	1981-06-30
CA1118104A (en)	1982-02-09
SU886760A3 (en)	1981-11-30
ZA783305B (en)	1980-01-30
JPS547838A (en)	1979-01-20
JPS6144320B2 (en)	1986-10-02
IL54878A0 (en)	1978-08-31
BR7803856A (en)	1979-04-17
ES470853A1 (en)	1979-10-01
SE7806380L (en)	1978-12-18
IL54878A (en)	1980-07-31
MX144810A (en)	1981-11-23
FR2394933B1 (en)	1983-09-30
NL186425C (en)	1990-11-16
AR218313A1 (en)	1980-05-30
ES477928A1 (en)	1979-10-16
NL7806366A (en)	1978-12-19
DE2826570A1 (en)	1979-01-04
IT1156831B (en)	1987-02-04
DE2826570C2 (en)	1988-10-20
CS266303B2 (en)	1989-12-13
PL207704A1 (en)	1979-04-09
AU520897B2 (en)	1982-03-04
IT7849909A0 (en)	1978-06-16
SE437747B (en)	1985-03-11
NL186425B (en)	1990-06-18
AU3701778A (en)	1979-12-20
CS401978A2 (en)	1989-02-10
FR2394933A1 (en)	1979-01-12
CH633922A5 (en)	1982-12-31
ES477929A1 (en)	1979-10-16
GB1603993A (en)	1981-12-02

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Legal Events

Date	Code	Title	Description
1998-01-01	RE20	Patent expired	Owner name: TEXAS INSTRUMENTS INC. Effective date: 19980616

Date

Code

Title

Description

1998-01-01

RE20

Patent expired

Owner name: TEXAS INSTRUMENTS INC.

Effective date: 19980616