wrote:
>    Hi, and thanks to all for your help...
>
>
>> The "pop" is almost certainly due to the manner in which the recording is
>> terminated.
>> To prove this try the following - record to the ISD continually until it
>> reaches the end of the memory. Do NOT stop the recording. Now listen to
>the
>> result, If there is no pop but a sudden clean end to the recorded message
>it
>> shows that what you are doing is the cause of the noise.
>
>    I did it, but the pop still there...
>
>    I'm also using a diferential amplifier, using LM386...
>


I missed some of this thread. Is the pop inserted at the end of the
msg during recording, or an artifact produced during playback?

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