[LAU] Do USB DACs use a buffer?

[Grant]

>> Does anyone know if USB DACs use any sort of internal buffer or if the
>> data they receive is converted the moment it is received?  Does this
>> behavior change depending on whether the DAC operates in synchronous
>> or asynchronous mode?
>
> Audio data is always buffered. You can't expect the USB system
> to deliver 48000 (or whatever your sample rate is) packets
> 'just' in time. How much buffering depends on the USB mode and
> on what the device requests.

Got it, thank you.

- Grant