ES470853A1 - perfeccionamientos introducidos en un filtro digital de ce-losia utilizable en circuitos de generacion de formas de on-da o de sintesis de senales vocales - Google Patents
perfeccionamientos introducidos en un filtro digital de ce-losia utilizable en circuitos de generacion de formas de on-da o de sintesis de senales vocalesInfo
- Publication number
- ES470853A1 ES470853A1 ES470853A ES470853A ES470853A1 ES 470853 A1 ES470853 A1 ES 470853A1 ES 470853 A ES470853 A ES 470853A ES 470853 A ES470853 A ES 470853A ES 470853 A1 ES470853 A1 ES 470853A1
- Authority
- ES
- Spain
- Prior art keywords
- filter
- storing
- waveform
- speech synthesis
- digital logic
- 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
- 230000015572 biosynthetic process Effects 0.000 title 1
- 238000003786 synthesis reaction Methods 0.000 title 1
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)
- 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)
Abstract
Perfeccionamientos introducidos en un filtro digital de celosía utilizable en circuitos de generación de formas de onda o de síntesis de señales vocales, cuyo filtro responde a urca señal digital de excitación y a una pluralizad de valores digitales que representan coeficientes de filtro, estando dicho filtro caracterizado por: (a) un circuito multiplicador; (b) un circuito sumador substractor acoplado en una primera entrada del mismo a la salida de dicho circuito multiplicador; (c) primeros medios de circuito de retardo acoplados a la salida de dicho circuito sumador substractor; (d) segundos medios de circuito de retardo acoplados para recibir datos procedentes de dicho circuito sumador substractor, siendo el retardo asociado con dichos segundos medios de circuito de retardo más largo que el retardo asociado con dichos primeros medios de circuito de retardo; (e) medios de memoria de retención para almacenar transitoriamente datos procedentes de dichos segundos medios de circuito de retardo; (f) primeros medios de conmutación para acoplar selectivamente la salida de dichos medios de memoria de retención, la salida de dichos primeros medios de circuito de retardo y la salida de dicho circuito sumador substractor a una primera entrada de dicho circuito multiplicador; (g) segundos medios de conmutación para acoplar selectivimente la salida de dichos medios de memoria de retención, la salida de dicho circuito sumador substractor y dichos segundos medios de circuito de retardo a una segunda entrada de dicho circuito sumador substractor; y (h) medios de memoria acoplados a dicha segunda entrada de dicho circuito multiplicador para almacenar dichos valores digitales que representan los coeficientes de filtro.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US80746177A | 1977-06-17 | 1977-06-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
ES470853A1 true ES470853A1 (es) | 1979-10-01 |
Family
ID=25196423
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES470853A Expired ES470853A1 (es) | 1977-06-17 | 1978-06-16 | perfeccionamientos introducidos en un filtro digital de ce-losia utilizable en circuitos de generacion de formas de on-da o de sintesis de senales vocales |
ES477929A Expired ES477929A1 (es) | 1977-06-17 | 1979-02-21 | Un metodo de generacion de vocalizaciones similares a la voz humana con coeficientes di-gitales de filtro. |
ES477928A Expired ES477928A1 (es) | 1977-06-17 | 1979-02-21 | Un aparato para producir una voz similar a la voz humana. |
Family Applications After (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ES477929A Expired ES477929A1 (es) | 1977-06-17 | 1979-02-21 | Un metodo de generacion de vocalizaciones similares a la voz humana con coeficientes di-gitales de filtro. |
ES477928A Expired ES477928A1 (es) | 1977-06-17 | 1979-02-21 | Un aparato para producir una voz similar a la voz humana. |
Country Status (20)
Country | Link |
---|---|
JP (1) | JPS547838A (es) |
AR (1) | AR218313A1 (es) |
AU (1) | AU520897B2 (es) |
BE (1) | BE868205A (es) |
BR (1) | BR7803856A (es) |
CA (1) | CA1118104A (es) |
CH (1) | CH633922A5 (es) |
CS (1) | CS266303B2 (es) |
DE (1) | DE2826570A1 (es) |
ES (3) | ES470853A1 (es) |
FR (1) | FR2394933A1 (es) |
GB (1) | GB1603993A (es) |
IL (1) | IL54878A (es) |
IT (1) | IT1156831B (es) |
MX (1) | MX144810A (es) |
NL (1) | NL186425C (es) |
PL (1) | PL116404B1 (es) |
SE (1) | SE437747B (es) |
SU (1) | SU886760A3 (es) |
ZA (1) | ZA783305B (es) |
Families Citing this family (5)
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 |
GB2131659B (en) * | 1979-10-03 | 1984-12-12 | 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 |
US5048088A (en) * | 1988-03-28 | 1991-09-10 | Nec Corporation | Linear predictive speech analysis-synthesis apparatus |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
FR2199427A5 (es) * | 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 |
-
1978
- 1978-05-17 GB GB20115/78A patent/GB1603993A/en not_active Expired
- 1978-05-31 SE SE7806380A patent/SE437747B/sv not_active IP Right Cessation
- 1978-06-08 IL IL54878A patent/IL54878A/xx unknown
- 1978-06-08 ZA ZA783305A patent/ZA783305B/xx unknown
- 1978-06-12 AU AU37017/78A patent/AU520897B2/en not_active Expired
- 1978-06-12 NL NLAANVRAGE7806366,A patent/NL186425C/xx not_active IP Right Cessation
- 1978-06-13 CA CA000305329A patent/CA1118104A/en not_active Expired
- 1978-06-15 AR AR272628A patent/AR218313A1/es active
- 1978-06-16 DE DE19782826570 patent/DE2826570A1/de active Granted
- 1978-06-16 SU SU782627100A patent/SU886760A3/ru active
- 1978-06-16 BR BR7803856A patent/BR7803856A/pt unknown
- 1978-06-16 JP JP7314378A patent/JPS547838A/ja active Granted
- 1978-06-16 MX MX173823A patent/MX144810A/es unknown
- 1978-06-16 ES ES470853A patent/ES470853A1/es not_active Expired
- 1978-06-16 IT IT49909/78A patent/IT1156831B/it active
- 1978-06-16 BE BE188641A patent/BE868205A/xx not_active IP Right Cessation
- 1978-06-17 PL PL1978207704A patent/PL116404B1/pl unknown
- 1978-06-19 CS CS784019A patent/CS266303B2/cs unknown
- 1978-06-19 FR FR7818289A patent/FR2394933A1/fr active Granted
- 1978-06-19 CH CH666378A patent/CH633922A5/fr not_active IP Right Cessation
-
1979
- 1979-02-21 ES ES477929A patent/ES477929A1/es not_active Expired
- 1979-02-21 ES ES477928A patent/ES477928A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2394933A1 (fr) | 1979-01-12 |
IL54878A (en) | 1980-07-31 |
IL54878A0 (en) | 1978-08-31 |
CH633922A5 (en) | 1982-12-31 |
NL186425B (nl) | 1990-06-18 |
SU886760A3 (ru) | 1981-11-30 |
AU520897B2 (en) | 1982-03-04 |
BR7803856A (pt) | 1979-04-17 |
JPS6144320B2 (es) | 1986-10-02 |
AR218313A1 (es) | 1980-05-30 |
JPS547838A (en) | 1979-01-20 |
NL186425C (nl) | 1990-11-16 |
ZA783305B (en) | 1980-01-30 |
FR2394933B1 (es) | 1983-09-30 |
ES477929A1 (es) | 1979-10-16 |
BE868205A (fr) | 1978-10-16 |
CS401978A2 (en) | 1989-02-10 |
CA1118104A (en) | 1982-02-09 |
PL116404B1 (en) | 1981-06-30 |
ES477928A1 (es) | 1979-10-16 |
NL7806366A (nl) | 1978-12-19 |
IT7849909A0 (it) | 1978-06-16 |
CS266303B2 (en) | 1989-12-13 |
MX144810A (es) | 1981-11-23 |
GB1603993A (en) | 1981-12-02 |
AU3701778A (en) | 1979-12-20 |
IT1156831B (it) | 1987-02-04 |
DE2826570C2 (es) | 1988-10-20 |
SE7806380L (sv) | 1978-12-18 |
DE2826570A1 (de) | 1979-01-04 |
SE437747B (sv) | 1985-03-11 |
PL207704A1 (pl) | 1979-04-09 |
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