Re: question about sampling rate

["Clemens Ladisch" <cladisch@fastmail.net>]

Grace Baldonasa wrote:
> I am half way my development. I can stream music using dynamic settings (any
> speaker plugged in to my host be heard of some music when my application is
> streaming some audio data). However, there are still background noise I am
> hearing. Here is how I computed my streaming size:
> 
> sampling rate = 44100
> channel = 2
> bit resolution = 16
> period length = 20 ms
> period size = 3528

bytes

> This period size is used as my buffer size, and this is sliced as it is
> streamed to my device.
> I have not considered any sychronization yet. Here is the speaker
> configuration:
> Synchronization type = adaptive sync
> 
> My understanding is no sync pipe is defined  by the device, therefore I dont
> need to schedule any sync data, am I correct?

Yes.  An adaptive endpoint should be able to work with any sample rate,
as long as it's near 44100.

How do you slice your buffer?


Regards,
Clemens

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