SE437747B - Digitalt filter - Google Patents
Digitalt filterInfo
- Publication number
- SE437747B SE437747B SE7806380A SE7806380A SE437747B SE 437747 B SE437747 B SE 437747B SE 7806380 A SE7806380 A SE 7806380A SE 7806380 A SE7806380 A SE 7806380A SE 437747 B SE437747 B SE 437747B
- Authority
- SE
- Sweden
- Prior art keywords
- circuit
- filter
- multiplication
- input
- data
- Prior art date
Links
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)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US80746177A | 1977-06-17 | 1977-06-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| SE7806380L SE7806380L (sv) | 1978-12-18 |
| SE437747B true SE437747B (sv) | 1985-03-11 |
Family
ID=25196423
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| SE7806380A SE437747B (sv) | 1977-06-17 | 1978-05-31 | Digitalt filter |
Country Status (20)
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 |
| AU620384B2 (en) * | 1988-03-28 | 1992-02-20 | Nec Corporation | Linear predictive speech analysis-synthesis apparatus |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2199427A5 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 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 NL NLAANVRAGE7806366,A patent/NL186425C/xx 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/es active
- 1978-06-16 MX MX173823A patent/MX144810A/es unknown
- 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 IT IT49909/78A patent/IT1156831B/it active
- 1978-06-16 ES ES470853A patent/ES470853A1/es not_active Expired
- 1978-06-16 BE BE188641A patent/BE868205A/xx not_active IP Right Cessation
- 1978-06-16 JP JP7314378A patent/JPS547838A/ja active Granted
- 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
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US4344148A (en) | System using digital filter for waveform or speech synthesis | |
| US4209844A (en) | Lattice filter for waveform or speech synthesis circuits using digital logic | |
| US4205575A (en) | Binary interpolator for electronic musical instrument | |
| JPS6030960B2 (ja) | デイジタル語フレームをアナログ信号に変換する合成装置 | |
| US4398262A (en) | Time multiplexed n-ordered digital filter | |
| EP0016427B1 (en) | Multi-channel digital speech synthesizer | |
| SE437747B (sv) | Digitalt filter | |
| US4352162A (en) | Digital filter | |
| JPH0767063B2 (ja) | デジタル信号処理回路 | |
| US4686644A (en) | Linear predictive coding technique with symmetrical calculation of Y-and B-values | |
| CA1126864A (en) | Lattice filter for waveform or speech synthesis circuits using digital logic | |
| KR840002361B1 (ko) | 디지탈 필터 | |
| JPS6014360B2 (ja) | 音声応答装置 | |
| JPH08248993A (ja) | 音韻時間長制御方法 | |
| US4509188A (en) | Signal synthesizer apparatus | |
| JPS61196297A (ja) | 楽音発生器 | |
| JPS5880699A (ja) | 音声合成方式 | |
| JP2590997B2 (ja) | 音声合成装置 | |
| JPS5968793A (ja) | 音声合成装置 | |
| JPS63110498A (ja) | 規則型音声合成装置 | |
| JPH0125445B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| JPH0429272B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | ||
| JPS5814900A (ja) | 音声合成装置 | |
| JPS61188660A (ja) | Ｐｏｓタ−ミナルの音声発生装置 | |
| JPS5939156A (ja) | 可聴音信号制御方式 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| NAL | Patent in force |
Ref document number: 7806380-7 Format of ref document f/p: F |
|
| NUG | Patent has lapsed |
Ref document number: 7806380-7 Format of ref document f/p: F |