JPS50156419A - - Google Patents
Info
- Publication number
- JPS50156419A JPS50156419A JP49064381A JP6438174A JPS50156419A JP S50156419 A JPS50156419 A JP S50156419A JP 49064381 A JP49064381 A JP 49064381A JP 6438174 A JP6438174 A JP 6438174A JP S50156419 A JPS50156419 A JP S50156419A
- Authority
- JP
- Japan
- 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
Links
Classifications
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H7/00—Instruments in which the tones are synthesised from a data store, e.g. computer organs
- G10H7/08—Instruments in which the tones are synthesised from a data store, e.g. computer organs by calculating functions or polynomial approximations to evaluate amplitudes at successive sample points of a tone waveform
- G10H7/12—Instruments in which the tones are synthesised from a data store, e.g. computer organs by calculating functions or polynomial approximations to evaluate amplitudes at successive sample points of a tone waveform by means of a recursive algorithm using one or more sets of parameters stored in a memory and the calculated amplitudes of one or more preceding sample points
-
- G—PHYSICS
- G10—MUSICAL INSTRUMENTS; ACOUSTICS
- G10H—ELECTROPHONIC MUSICAL INSTRUMENTS; INSTRUMENTS IN WHICH THE TONES ARE GENERATED BY ELECTROMECHANICAL MEANS OR ELECTRONIC GENERATORS, OR IN WHICH THE TONES ARE SYNTHESISED FROM A DATA STORE
- G10H2250/00—Aspects of algorithms or signal processing methods without intrinsic musical character, yet specifically adapted for or used in electrophonic musical processing
- G10H2250/541—Details of musical waveform synthesis, i.e. audio waveshape processing from individual wavetable samples, independently of their origin or of the sound they represent
- G10H2250/571—Waveform compression, adapted for music synthesisers, sound banks or wavetables
- G10H2250/591—DPCM [delta pulse code modulation]
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Algebra (AREA)
- General Physics & Mathematics (AREA)
- Mathematical Analysis (AREA)
- Mathematical Optimization (AREA)
- Mathematical Physics (AREA)
- Pure & Applied Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Electrophonic Musical Instruments (AREA)
Priority Applications (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6438174A JPS5345131B2 (ja) | 1974-06-06 | 1974-06-06 | |
| US05/584,368 US3982461A (en) | 1974-06-06 | 1975-06-05 | Musical-tone signal forming apparatus for electronic musical instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6438174A JPS5345131B2 (ja) | 1974-06-06 | 1974-06-06 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS50156419A true JPS50156419A (ja) | 1975-12-17 |
| JPS5345131B2 JPS5345131B2 (ja) | 1978-12-04 |
Family
ID=13256661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6438174A Expired JPS5345131B2 (ja) | 1974-06-06 | 1974-06-06 |
Country Status (2)
| Country | Link |
|---|---|
| US (1) | US3982461A (ja) |
| JP (1) | JPS5345131B2 (ja) |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4348928A (en) * | 1976-09-24 | 1982-09-14 | Kabushiki Kaishi Kawai Gakki Seisakusho | Electronic musical instrument |
| JPS5917838B2 (ja) * | 1977-11-01 | 1984-04-24 | ヤマハ株式会社 | 電子楽器の波形発生装置 |
| GB2017376B (en) * | 1978-03-18 | 1983-03-16 | Casio Computer Co Ltd | Electronic musical instrument |
| FR2473173A1 (en) * | 1978-03-18 | 1981-07-10 | Casio Computer Co Ltd | Electronic musical instrument with progressive digital counter - has volume control and period counter dividing period into blocks with stages and accumulates volume and tone signals for output loudspeaker |
| US4291603A (en) * | 1978-11-29 | 1981-09-29 | Katz Bernard R | Electronic organ |
| JPS5816498Y2 (ja) * | 1979-07-31 | 1983-04-04 | 慶治 田中 | 輸送箱兼デイスプレイ台 |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3515792A (en) * | 1967-08-16 | 1970-06-02 | North American Rockwell | Digital organ |
| US3610806A (en) * | 1969-10-30 | 1971-10-05 | North American Rockwell | Adaptive sustain system for digital electronic organ |
| DE2237594C3 (de) * | 1971-07-31 | 1984-02-23 | Nippon Gakki Seizo K.K., Hamamatsu, Shizuoka | System zur Erzeugung von Tonwellenformen durch Abtasten gespeicherter Wellenformen für ein elektronisches Musikinstrument |
| US3763364A (en) * | 1971-11-26 | 1973-10-02 | North American Rockwell | Apparatus for storing and reading out periodic waveforms |
| US3844379A (en) * | 1971-12-30 | 1974-10-29 | Nippon Musical Instruments Mfg | Electronic musical instrument with key coding in a key address memory |
| US3809786A (en) * | 1972-02-14 | 1974-05-07 | Deutsch Res Lab | Computor organ |
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1974
- 1974-06-06 JP JP6438174A patent/JPS5345131B2/ja not_active Expired
-
1975
- 1975-06-05 US US05/584,368 patent/US3982461A/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| US3982461A (en) | 1976-09-28 |
| JPS5345131B2 (ja) | 1978-12-04 |