I know this is an old topic, but I'am looking for a sample where bits get bad.
@amirm made such examples using a very long bad USB cable. Are there examples on Youtube for example where bits are damaged in audio and how that sounds.
Though I know some things about how USB works, I am not an expert
on the USB interface.
Many different USB uses and standards have evolved over the years.
Here is the standard case.
The USB channel is not an audio interface in the following sense.
USB uses packet based data transfer. Data to be sent is encoded
with added extra data to form a data packet with header information.
Each packet also includes a kind of error detection. If errors are
detected, the receiving device should drop that packet and send a
message to the sender to retransmit that packet by header ID. If
the buffer in the receiver is not large enough to absorb the packet
loss then in the case of audio data there would be gaps in the audio
stream. I expect that is how you would perceive "damaged bits"
in the audio. If packet loss were excessive, the receiver should
signal the transmitter, "Stop. Let's renegotiate the data rate".
Operating on the principle that noisy communication is better
than no communication, audio data receivers could just accept
bit errors and include the errors in the audio data. However,
USB is designed for data communications. I expect the interface
designers would not be ready to accept corrupt data.
In my experience long USB cables did not work even for what
should be a low speed interface. I used two inexpensive USB to
cat 5 translators to make the interface work. No more problem.
My suggestion is for data transfer over longer distances use
USB to cat 5 translators. That should provide good signal to
noise on the cable.