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dileepkella85 22nd March 2012 04:39 AM

Audio delay circuit
 
1 Attachment(s)
Hello,
I was looking for analog delay circuit of 2seconds, which can delay the audio signal (input) by digital or active\passive analog components and have delayed analog output.

I have come across one circuit but not able to find the components which is attached to this thread, that may also help you to suggest me any other circuit or method.

Regards,
Dileep

abraxalito 22nd March 2012 04:52 AM

What bandwidth do you need? That circuit's for voice as far as I can see, it runs at 64kbits per second.

<edit> Note to mods: I see this was cross-posted to Analog Line too - a better place for it would be Digital Line as its not really possible to do analog delay of 2s and that pdf is a digital solution.

dileepkella85 22nd March 2012 05:17 AM

Yes mainly required for voice application!

Thanks for your interest for help.
Deekay


Quote:

Originally Posted by abraxalito (Post 2955714)
What bandwidth do you need? That circuit's for voice as far as I can see, it runs at 64kbits per second.

<edit> Note to mods: I see this was cross-posted to Analog Line too - a better place for it would be Digital Line as its not really possible to do analog delay of 2s and that pdf is a digital solution.


abraxalito 22nd March 2012 05:33 AM

You could have a look at this chip : http://www.holtek.com.tw/pdf/consumer/8972v100.pdf

Its not going to get you near to 2s - you'd need quite a few (maybe 6) in series as their selection guide says one chip is good for up to 330mS.

dileepkella85 22nd March 2012 06:27 AM

Thanks for your reply!
Yes delay is very less 320msec!

Hope someone will come with required circuit.

Regards
Deekay

Quote:

Originally Posted by abraxalito (Post 2955744)
You could have a look at this chip : http://www.holtek.com.tw/pdf/consumer/8972v100.pdf

Its not going to get you near to 2s - you'd need quite a few (maybe 6) in series as their selection guide says one chip is good for up to 330mS.



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