> I'm recording some sound snippets from the PC, just using the mic input to
> the ISD.  listening to the sound from the speakers on the PC, it sounds
> pretty clean. But, when the ISD records it and I play it back, it sounds
> 'noisy' for lack of a better word.  Now I know its not going to be stereo
> quality, but perhaps its the input circuit that needs attention.  I've
> simply followed the app notes on the input to the chip and tried an audio
> transformer and capacitor coupling but nothing seems to help alot.  Anyone
> else had some experiance with the ISD chips?

Yes, that sounds about right - mushy. I found the best way round it was to use
a PC audio program to introduce compression so that the sounds had more
"power". The hash seems to be a characteristic that you have to live with.


George Smith

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