Claims
- 1. A waveform synthesizing apparatus comprising:
- memory means for storing digital waveform signals;
- designating means for designating at least two of said digital waveform signals to be read out from said memory means;
- display means for displaying lengths of said at least two digital waveform signals designated by said designating means;
- rate data memory means for storing rate data set in accordance with the lengths of said at least two digital waveform signals displayed by said display means;
- reading means for reading said at least two digital waveform signals designated by said designating means at a reading rate corresponding to the rate data stored in said rate data storing means;
- synthesizing output means for synthesizing said at least two digital waveform signals read out from said reading means and outputting a synthesized digital waveform signal; and
- writing means for writing the synthesized waveform signal output from said synthesizing output means into said memory means.
- 2. A waveform synthesizing apparatus according to claim 1, further comprising means for varying a synthesis ratio of said at least two digital waveform signals read out from said reading means as time elapses.
- 3. A waveform synthesizing apparatus comprising:
- memory means for storing digital waveform signals; designating means for designating at least two of said digital waveform signals to be read out from said memory means;
- part designating means for designating part of each of said at least two digital waveform signals designated by said designating means;
- reading means for reading said at least two digital waveform signals designated by said designating means;
- synthesizing output means for synthesizing said at least two digital waveform signals read out from said reading means, starting from the part designated by said part designating means, and outputting a synthesized digital waveform signal; and
- writing means for writing the synthesized digital waveform signal output from said synthesizing output means into said memory means.
- 4. A waveform synthesizing apparatus according to claim 3, further comprising means for varying a synthesis ratio of said at least two digital waveform signals read out from said reading means as time elapses.
- 5. A waveform synthesizing apparatus comprising:
- memory means for storing digital waveform signals;
- designating means for designating at least two of said digital waveform signals to be read out from said memory means;
- reading means for reading said at least two digital waveform signals designated by said designating means;
- connecting output means for connecting said at least two digital waveform signals read out from said reading means and outputting a connected digital waveform signal; and
- writing means for writing the connected digital waveform signal into said memory means.
- 6. A waveform synthesizing apparatus according to claim 5, wherein said connecting output means synthesizes and connects said at least two digital waveform signals while varying a synthesis ratio of said at least two digital waveform signals read out from said reading means as time elapses.
- 7. A waveform synthesizing apparatus according to claim 6, wherein said connecting output means comprises interval designating means for designating an interval in which said at least two digital waveform signals are synthesized, while varying a synthesis ratio of said at least two digital waveform signals read out from said reading means as time elapses.
- 8. An electronic musical instrument comprising:
- memory means for storing digital waveform signals;
- designating means for designating a plurality of loop intervals of the digital waveform signals stored in said memory means; and
- output means for repeatedly reading the digital waveform signals in said plurality of loop intervals designated by said designating means from said memory means and outputting tone waveform signals.
- 9. An electronic musical instrument according to claim 8, wherein said output means comprises second output means for selectively reading the digital waveform signals between the loop intervals designated by said designating means from said memory means and outputting tone waveform signals.
- 10. An electronic musical instrument according to claim 9, wherein said second output means comprises second designating means for designating whether the digital waveform signals between the loop intervals designated by said designating means are read out.
- 11. An electronic musical instrument according to claim 8, wherein said designating means comprises second designating means for designating loop time for each of said plurality of loop intervals, and said output means repeatedly reads the digital waveform signals between said plurality of loop intervals for a period of the loop time designated by said second designating means and outputs tone waveform signals.
Priority Claims (5)
Number |
Date |
Country |
Kind |
172304[U] |
Nov 1986 |
JPX |
|
61-293650 |
Dec 1986 |
JPX |
|
62-167069 |
Jul 1987 |
JPX |
|
62-167070 |
Jul 1987 |
JPX |
|
62-167071 |
Jul 1987 |
JPX |
|
Parent Case Info
This is a division of application Ser. No. 07/492,245 filed Mar. 9, 1990 which is a continuation of application Ser. No. 07/118,448 filed Nov. 6, 1987 (now abandoned).
US Referenced Citations (17)
Foreign Referenced Citations (4)
Number |
Date |
Country |
55-28072 |
Feb 1980 |
JPX |
55-166698 |
Dec 1980 |
JPX |
62-59994 |
Mar 1987 |
JPX |
62-106499 |
May 1987 |
JPX |
Divisions (1)
|
Number |
Date |
Country |
Parent |
492245 |
Mar 1990 |
|
Continuations (1)
|
Number |
Date |
Country |
Parent |
118448 |
Nov 1987 |
|