Claims
- 1. A method of generating sound from wave tables stored in long term memory comprising the steps of:reading the wave tables stored in long term memory which are to be used in the generation of digital samples; writing to main memory the wave tables read from the long term memory for voices designated by a command to generate a digital sample, generating individual voices from the wave tables stored in main memory under control of a sound generation controller positioned on a sound card connected to a local bus, and combining the individual voices to provide a digital sample at the sound board for transfer to an output device.
- 2. A method of generating sound from wave tables stored in long term memory as claimed in claim 1 in which the step of generating individual voices from the wave tables stored in main memory under control of a sound generation controller positioned on a sound card connected to a local bus comprises the steps ofreading portions of the wave tables designated by the command using a direct memory access controller positioned on the sound board, and transferring the read portions to the sound generation controller for the generation of individual voices.
- 3. A method of generating sound from wave tables stored in long term memory as claimed in claim 2 in which the step of transferring the read portions to the sound generation controller for the generation of individual voices comprisestransferring the read portions in burst mode on the local bus, and storing the transferred read portions in a cache on the sound board for use by the sound generation controller.
Parent Case Info
This application is a continuation of Ser. No. 09/046,161 filed Mar. 23, 1998, U.S. Pat. No. 5,968,148, which is a continuation of Ser. No. 08/422,994 filed Apr. 14, 1995, U.S. Pat. No. 5,768,628.
US Referenced Citations (14)
Continuations (2)
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Number |
Date |
Country |
Parent |
09/046161 |
Mar 1998 |
US |
Child |
09/391094 |
|
US |
Parent |
08/422994 |
Apr 1995 |
US |
Child |
09/046161 |
|
US |