On 22/06/2015 16:55, BobH wrote:
All of my audio files are compressed to either flac or mp3, and they are
streamed to my tablet.

AIUI Bluetooth uses its own codec (1). Which means all your compressed
audio files would be decompressed, then recompressed, then decompressed,
then played. Not good.

Of course some specialist devices may do their own thing - but caveat
emptor.

(1) Ah yes - https://en.wikipedia.org/wiki/SBC_%28codec%29 "It was
designed to obtain a reasonably good audio quality at medium bit rates
while keeping low computational complexity"

Andy