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Here is the situation, I have got an USB Audio Card recently. And I want to implement some cool stuff based on the card. But the latency became the most serious problem.

So I want to write a filter driver to capture the microphone in PCM format. And next step, I want to send it via TCP/IP.

I want to know:

1, As far as I know, USBAudio.sys is also a filter driver, Is that still possible to apply another filter upon it?

2, If it was possible, How could I start?

3, Just capture the PCM format data will also be OK.

Thanks.
Posted 23-Jul-12 22:26pm

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