Audio Sampling Question

Hi All,

I'm sampling high-fidelity analog audio at 44.1 kHz with a 16-bit ADC. The
analog audio is noise-free for the purposes of this question.

The ADC data stream goes to a microprocessor that compares the data in
blocks of multiple samples to a previously stored set of data. When the ADC
output data matches the stored data, the microprocessor generates an output
pulse. Some amount of processing time "X" is needed to recognize a match
and generate the pulse.

My question, again assuming zero analog noise, is: what is the time
uncertainty of the output pulse? In other words, if I split the same analog
audio into two of these circuits in parallel, how much could their output
pulses differ in time? Is the answer simply the clock frequency accuracy?

Thanks is advance.


.

Relevant Pages

  • Re: Audio Sampling Question
    ... I'm sampling high-fidelity analog audio at 44.1 kHz with a 16-bit ADC. ... blocks of multiple samples to a previously stored set of data. ... and generate the pulse. ...
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  • Re: Audio Sampling Question
    ... I'm sampling high-fidelity analog audio at 44.1 kHz with a 16-bit ADC. ... output data matches the stored data, the microprocessor generates an output ... and generate the pulse. ...
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    ... I'm sampling high-fidelity analog audio at 44.1 kHz with a 16-bit ADC. ... and generate the pulse. ...
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  • Re: Audio Sampling Question
    ... I'm sampling high-fidelity analog audio at 44.1 kHz with a 16-bit ADC. ... uncertainty of the output pulse? ... Is the answer simply the clock frequency ...
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