Re: Audio output design
- From: chuck <nospam@xxxxxxxxxx>
- Date: Fri, 02 Mar 2007 13:11:56 -0500
rickydou127@xxxxxxxxx wrote:
Radio Shack used to sell something based on the ISD1520 chip. At one
time, Digi-Key carried various models of this chip. Maybe that will help
you get started.
I though about this avenue, but how can I record 12 to 20 sounds
(different animal sounds or different piano tones) and use another
chip that would allow me to look into a lookup table to get the sound
I need when I touch the first key and another sound for the next key.
Also I am looking to make a polyphonic instrument, so I want to play
multiple sounds at the same time...
Any suggestions?
Thanks
Rickydou
I was under the impression that you could randomly access multiple stored sounds with the device, so if my memory is correct, that should not be a problem if you simply decode the keys to access particular stored sounds.
The polyphonic part or your requirement does make it tough. I suppose you could use multiple chips, but that doesn't sound friendly. Surely you can do what you want with a computer. Any computer, but one with a soundcard makes life easy.
Chuck
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