EP0176670A3 - A circuit for an electronic musical instrument - Google Patents
A circuit for an electronic musical instrument Download PDFInfo
- Publication number
- EP0176670A3 EP0176670A3 EP85108252A EP85108252A EP0176670A3 EP 0176670 A3 EP0176670 A3 EP 0176670A3 EP 85108252 A EP85108252 A EP 85108252A EP 85108252 A EP85108252 A EP 85108252A EP 0176670 A3 EP0176670 A3 EP 0176670A3
- Authority
- EP
- European Patent Office
- Prior art keywords
- wave form
- read
- memory
- clock generator
- command
- 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.)
- Withdrawn
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
- G10H7/02—Instruments in which the tones are synthesised from a data store, e.g. computer organs in which amplitudes at successive sample points of a tone waveform are stored in one or more memories
- G10H7/06—Instruments in which the tones are synthesised from a data store, e.g. computer organs in which amplitudes at successive sample points of a tone waveform are stored in one or more memories in which amplitudes are read at a fixed rate, the read-out address varying stepwise by a given value, e.g. according to pitch
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S84/00—Music
- Y10S84/10—Feedback
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Acoustics & Sound (AREA)
- Multimedia (AREA)
- Electrophonic Musical Instruments (AREA)
Abstract
The invention concerns a circuit for an electronic musical instrument which comprises a clock generator whose clock rate is variable in accordance with sound frequencies to be generated. A wave form memory contains scanning values of a wave form indigital format and may be addressed by the clock generator output signals. Data retrieved from the memory are processed by a digital to analogue converter by means of which the read-out scanning values are converted into analogue signals and processed in following circuits so as to produce audio-signals to be sounded. The wave form memory holds the scanning values of several periods of a note including its release section, and under predetermined memory element addresses of the wave form memory command words are memorized and if these are read-out a command signal is passed to the clock generator so to set it onto an address under which in the wave form memory the same scanning value as prior to said command, however, in the release section of the envelope, is read while the digital analogue converter is disabled for the command words. The invention concerns a circuit for an electronic musical instrument which comprises a clock generator whose clock rate is variable in accordance with sound frequencies to be generated. A wave form memory contains scanning values of a wave form indigital format and may be addressed by the clock generator output signals. Data retrieved from the memory are processed by a digital to analogue converter by means of which the read-out scanning values are converted into analogue signals and processed in following circuits so as to produce audio signals to be sounded. The wave form memory holds the scanning values of several periods of a note including its release section, and under predetermined memory element addresses of the wave form memory command words are memorized and if these are read-out a command signal is passed to the clock generator so to set it onto an address under which in the wave form memory the same scanning value as prior to said command, however, in the release section of the envelope, is read while the digital analogue converter is disabled for the command words.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3432582A DE3432582C1 (en) | 1984-09-05 | 1984-09-05 | Circuit arrangement for an electronic musical instrument |
| DE3432582 | 1984-09-05 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP0176670A2 EP0176670A2 (en) | 1986-04-09 |
| EP0176670A3 true EP0176670A3 (en) | 1988-05-04 |
Family
ID=6244668
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP85108252A Withdrawn EP0176670A3 (en) | 1984-09-05 | 1985-07-03 | A circuit for an electronic musical instrument |
Country Status (4)
| Country | Link |
|---|---|
| US (1) | US4628790A (en) |
| EP (1) | EP0176670A3 (en) |
| JP (1) | JPS6177095A (en) |
| DE (1) | DE3432582C1 (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0743597B2 (en) * | 1986-07-08 | 1995-05-15 | ロ−ランド株式会社 | Musical sound generator |
| KR920000764B1 (en) * | 1988-05-18 | 1992-01-21 | 삼성전자 주식회사 | Adsr data output system of electronic instrument |
| DE102006030784B4 (en) | 2006-06-30 | 2008-05-15 | Erni Electronics Gmbh | Connector with a secondary lock |
| DE102016013308A1 (en) | 2016-11-10 | 2018-05-17 | SCI Data GbR (vertretungsberechtigter Gesellschafter: Daniel Linder, 91611 Lehrberg; Patrick Linder, 91611 Lehrberg) | IMPROVED MUSIC DEVICE WITH CALCULATOR |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1981003236A1 (en) * | 1980-04-28 | 1981-11-12 | Norlin Ind Inc | Long duration aperiodic musical waveform generator |
| GB2129996A (en) * | 1982-09-14 | 1984-05-23 | Nippon Musical Instruments Mfg | Musical tone-forming system |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS52121313A (en) * | 1976-04-06 | 1977-10-12 | Nippon Gakki Seizo Kk | Electronic musical instrument |
| US4535669A (en) * | 1982-07-13 | 1985-08-20 | Casio Computer Co., Ltd. | Touch response apparatus for electronic musical apparatus |
| JPS59162593A (en) * | 1983-03-04 | 1984-09-13 | ヤマハ株式会社 | Musical tone generator |
-
1984
- 1984-09-05 DE DE3432582A patent/DE3432582C1/en not_active Expired
-
1985
- 1985-07-03 EP EP85108252A patent/EP0176670A3/en not_active Withdrawn
- 1985-09-03 US US06/771,971 patent/US4628790A/en not_active Expired - Fee Related
- 1985-09-05 JP JP60196861A patent/JPS6177095A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1981003236A1 (en) * | 1980-04-28 | 1981-11-12 | Norlin Ind Inc | Long duration aperiodic musical waveform generator |
| GB2129996A (en) * | 1982-09-14 | 1984-05-23 | Nippon Musical Instruments Mfg | Musical tone-forming system |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6177095A (en) | 1986-04-19 |
| DE3432582C1 (en) | 1985-09-12 |
| EP0176670A2 (en) | 1986-04-09 |
| US4628790A (en) | 1986-12-16 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PUAI | Public reference made under article 153(3) epc to a published international application that has entered the european phase |
Free format text: ORIGINAL CODE: 0009012 |
|
| AK | Designated contracting states |
Kind code of ref document: A2 Designated state(s): FR GB IT NL |
|
| PUAL | Search report despatched |
Free format text: ORIGINAL CODE: 0009013 |
|
| AK | Designated contracting states |
Kind code of ref document: A3 Designated state(s): FR GB IT NL |
|
| 17P | Request for examination filed |
Effective date: 19880525 |
|
| STAA | Information on the status of an ep patent application or granted ep patent |
Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN |
|
| 18D | Application deemed to be withdrawn |
Effective date: 19900201 |
|
| RIN1 | Information on inventor provided before grant (corrected) |
Inventor name: DEFOREIT, CHRISTIAN, DIPL.-ING. |