DE4008875C1 - - Google Patents
Info
- Publication number
- DE4008875C1 DE4008875C1 DE19904008875 DE4008875A DE4008875C1 DE 4008875 C1 DE4008875 C1 DE 4008875C1 DE 19904008875 DE19904008875 DE 19904008875 DE 4008875 A DE4008875 A DE 4008875A DE 4008875 C1 DE4008875 C1 DE 4008875C1
- Authority
- DE
- Germany
- Prior art keywords
- frequency
- interpolation filter
- samples
- sound
- filter
- 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 - Fee Related
Links
- 238000005070 sampling Methods 0.000 claims description 34
- 238000000034 method Methods 0.000 claims description 16
- 230000000903 blocking effect Effects 0.000 claims description 13
- 230000001419 dependent effect Effects 0.000 claims description 9
- 238000003860 storage Methods 0.000 claims description 9
- 238000001228 spectrum Methods 0.000 claims description 5
- 230000002238 attenuated effect Effects 0.000 claims description 2
- 238000002360 preparation method Methods 0.000 claims description 2
- 238000006243 chemical reaction Methods 0.000 description 6
- 238000013016 damping Methods 0.000 description 6
- 230000000694 effects Effects 0.000 description 5
- 230000007704 transition Effects 0.000 description 4
- 230000008859 change Effects 0.000 description 2
- 238000005520 cutting process Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000002787 reinforcement Effects 0.000 description 2
- 108010014172 Factor V Proteins 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 239000004927 clay Substances 0.000 description 1
- 210000003608 fece Anatomy 0.000 description 1
- 238000001914 filtration Methods 0.000 description 1
- 230000006870 function Effects 0.000 description 1
- 230000002452 interceptive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 210000000056 organ Anatomy 0.000 description 1
- 230000001151 other effect Effects 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
- 230000005236 sound signal Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
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
-
- 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
- G10H1/00—Details of electrophonic musical instruments
- G10H1/02—Means for controlling the tone frequencies, e.g. attack or decay; Means for producing special musical effects, e.g. vibratos or glissandos
- G10H1/06—Circuits for establishing the harmonic content of tones, or other arrangements for changing the tone colour
- G10H1/12—Circuits for establishing the harmonic content of tones, or other arrangements for changing the tone colour by filtering complex waveforms
- G10H1/125—Circuits for establishing the harmonic content of tones, or other arrangements for changing the tone colour by filtering complex waveforms using a digital filter
-
- 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
- G10H2250/621—Waveform interpolation
Landscapes
- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Acoustics & Sound (AREA)
- Multimedia (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)
- Electrophonic Musical Instruments (AREA)
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19904008875 DE4008875C1 (enrdf_load_stackoverflow) | 1990-03-20 | 1990-03-20 | |
| DE19904008873 DE4008873A1 (de) | 1990-03-20 | 1990-03-20 | Elektronisches musikinstrument |
| EP91104137A EP0448010A2 (de) | 1990-03-20 | 1991-03-18 | Verfahren zur Klangerzeugung mit einem elektronischen Musikinstrument und elektronisches Musikinstrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE19904008875 DE4008875C1 (enrdf_load_stackoverflow) | 1990-03-20 | 1990-03-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE4008875C1 true DE4008875C1 (enrdf_load_stackoverflow) | 1991-10-17 |
Family
ID=6402615
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19904008875 Expired - Fee Related DE4008875C1 (enrdf_load_stackoverflow) | 1990-03-20 | 1990-03-20 |
Country Status (1)
| Country | Link |
|---|---|
| DE (1) | DE4008875C1 (enrdf_load_stackoverflow) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10316540A1 (de) * | 2003-04-10 | 2004-11-04 | Siemens Ag | Die vorliegende Erfindung betrifft ein Syntheseverfahren, insbesondere zur Musiksynthese |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3906487A (en) * | 1972-10-10 | 1975-09-16 | Digital Data Systems | Digital AGC for playback of digitally recorded data |
| DE3430850A1 (de) * | 1983-08-23 | 1985-03-14 | Victor Company Of Japan, Ltd., Yokohama, Kanagawa | Wiedergabegeraet fuer in einem speicher vorgespeicherte signale |
| EP0178840A2 (en) * | 1984-10-11 | 1986-04-23 | Yamaha Corporation | Tone signal processing device |
-
1990
- 1990-03-20 DE DE19904008875 patent/DE4008875C1/de not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3906487A (en) * | 1972-10-10 | 1975-09-16 | Digital Data Systems | Digital AGC for playback of digitally recorded data |
| DE3430850A1 (de) * | 1983-08-23 | 1985-03-14 | Victor Company Of Japan, Ltd., Yokohama, Kanagawa | Wiedergabegeraet fuer in einem speicher vorgespeicherte signale |
| EP0178840A2 (en) * | 1984-10-11 | 1986-04-23 | Yamaha Corporation | Tone signal processing device |
Non-Patent Citations (1)
| Title |
|---|
| US-Z.: Musical Applications of Microprocessors, Hayden Book Co. Ins., Rochelle Park 1980, S. 110-111,358-365,467-477 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE10316540A1 (de) * | 2003-04-10 | 2004-11-04 | Siemens Ag | Die vorliegende Erfindung betrifft ein Syntheseverfahren, insbesondere zur Musiksynthese |
| DE10316540B4 (de) * | 2003-04-10 | 2007-04-12 | Siemens Ag | Syntheseverfahren für Endgeräte |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8100 | Publication of the examined application without publication of unexamined application | ||
| D1 | Grant (no unexamined application published) patent law 81 | ||
| AF | Is addition to no. |
Ref country code: DE Ref document number: 4008873 Format of ref document f/p: P |
|
| 8363 | Opposition against the patent | ||
| 8368 | Opposition refused due to inadmissibility | ||
| 8339 | Ceased/non-payment of the annual fee |