ralphy wrote:
> I can re-run the tests of interest again with the signal generator for
> whatever duration if you'd like.
Well, I re-ran mine using a flac file instead of the pcm that the signal
generator gives.
I still observed plenty of bass drop-outs with both the stock jive_alsa
and R1.4. However my error rates with the flac are much reduced compared
with the pcm, somewhat in the same ball-park as your UE rev 0007 Radio.
Clearly the format of the source stream, and perhaps the transport,
significantly influences matters. (I guess my Radio finds it 'easier' to
receive & decode the flac, versus just receiving the pcm.)
Log analysis revisited:
Code:
--------------------
Test Test duration # pcm # pcm xrun # kernel
(minutes) underrun!!!
====
FLAC
====
ralphy-stock-20000-2 41.2 49 73 26
per minute 1.19 1.77 0.63
ralphy-ri14-20000-2 24.25 31 38 7
per minute 1.28 1.57 0.29
mrw-stock-20000-2 40.66 48 50 17
per minute 1.18 1.23 0.42
mrw-ri14-20000-2 39.2 30 59 21
per minute 0.77 1.51 0.54
====
PCM - original test
====
mrw-stock-20000-2 38.66 79 89 34
per minute 2.04 2.30 0.88
mrw-ri14-20000-2 30.5 59 95 28
per minute 1.93 3.11 0.92
--------------------
------------------------------------------------------------------------
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