[sdiy] Sound recording IC
Tom Wiltshire
tom at electricdruid.net
Tue Dec 19 15:13:21 CET 2006
On 19 Dec 2006, at 13:37, Steffen wrote:
>
> On 19/12/2006, at 13.31, Johannes Öberg wrote:
>
>> both easier and better to use a uC.
>
> I'm all ears, what's uC?
He means 'microcontroller' - E.g. Microchip PICs, AVRs etc etc. You'll
need A/D and D/A conversion, and a decent amount of RAM. Not many
microcontrollers will do that on the one chip, so you probably need
external RAM and an audio codec or at least an output D/A - many chips
have 10 or 12 bit A/D convertors that might go fast enough for audio.
Whether that counts as 'easier' depends a bit what you're comfortable
with already. 'Better' is pretty certain, since that set up of A/D,
D/A, RAM and a uC to control it would allow you to do all sorts of
(audio) things.
If you want a minimum components solution, you're probably still better
off with one of the sound recording chips, even if that does bring some
compromises.
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