I'm sorry, I forgot the subject line...
I resend my questions.
Thank you

> Dear Sir,
>
> What I need I really important.
> I thank you in advance for you help.
>
> I need to create the following application:
> - Delayed auditory feedback (1)
> - Frequency shifted auditory feedback (2)
>
> (1)  when you speak, you listen to your own voice with a delay (scalable to
> 1
> to 500 ms)
> (2) you listen to your voice without a delay but the pitch has changed
> (-1/2,
> -1, +1/2, +1 octave)
>
> the (1) and (2) may be used same time or separately.
>
> And when no voice is detected a sound of 125 Hz is generated (the suond can
> be generated by a 555 timer but if the PIC can do it, please let me know)
>
> I need someone who can help me
>
> The device is used for a therapy. My best friend has an illness and I think
> I
> can help him with auditory feedback therapy. I use a music device and it
> work
> more or less. It's why I want to create an accurate, selfcontained PIC based
> device for my friend and for anyone who have the same illness.
>
> Thank you a lot. for helping me.
>
> SAYM
> France
>

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