[sdiy] kinda interesting audio arduino thing

[Michael Zacherl]

see http://blip.tv/file/920755/

I just wondered if the circuit _has to_ be AC-coupled ...

    Michael.


On May 21, 2008, at 9:49 PM, Jason Proctor wrote:

> and in fact the ladyada blog just carried some code to set the audio  
> playback rate from an analogue pin!
>
>
>> Ah, interesting idea... I saw the "wave shield" a few days ago and
>> couldn't really think of a use for it. But, this is definitely an
>> interesting one!
>>
>> On the page, she says "Then it sets up the audio interrupt that will
>> go off sample-rate times a second. For example, if its a 22KHz audio
>> sample, the interrupt will go off 22,000 times a second!"
>>
>> My uneducated guess is that changing this rate should be possible,  
>> and
>> could also be associated with one of the analog-input pins of the
>> arduino. Maybe email ladyada directly and request that this option be
>> added to the code library... seems like it might open up some
>> possibilities!
>>
>> Mike
>>
>>
>>
>> On Thu, May 15, 2008 at 7:05 AM, Jason Proctor <jason at redfish.net>  
>> wrote:
>>> http://www.ladyada.net/rant/2008/05/new-kit-wave-shield-for-arduino-plays-high-quality-audio/
>>>
>>> i wonder whether the software supports playing the files at  
>>> different
>>> speeds. hooked up with a voltage input on an analogue pin...
>>



--
hear the colours of noise: http://blauwurf.at