>
> Greetings,
> I had an idea, and I wonder if it would work. Basically, I want to
> construct an 8 channel audio VU meter (level meter). This would be used
> on a mic/line level source rather than a speaker level source. I think
> there are dedicated chips for this, however I wondered if I could do it
> with a pic. If I used a 16f877, i'd have 8 analogue inputs, and I could
> use an 8 bit port for an 8 segment LED bar graph, and another 8 bit port
> to multiplex 8 of those bar graphs. I just am not sure that feeding the
> audio signal straight into the ADC would work. I know I would have to
> figure out the voltage range.
>
> Supposing this works, would it the be possible to make a small audio
> spectrum analyzer? Perhaps if I put a filter on each analogue input that
> only allowed one frequency, or a small frequency range through?
>
> Anyways, I was just brainstorming. Is any of this even possible? BTW
> James did I get the header right?
>
> Thanks in advance,
> Josh Koffman
>
joshy@spam@
mb.sympatico.ca