I took a 24/96 album, made a 24/48 copy resampled using SoX and tested
in Winamp, attached my old SB1 to my network, ran SBS 7.6.2 and did
some testing.
I'm seeing basically the same thing as Craig. The server is running on
Windows.
The 24/96 files play, but FLAC/LAME is used to stream MP3 instead of
being resampled and streamed as PCM. The reason I believe this works is
that LAME automatically resamples the 24/96 input to 16/48, without
being explicitly instructed to do so.
The 24/48 files result in white noise, with SBS using only FLAC to
decode to PCM. I thought that this should work, since the SB1 should be
capable of 24/48 playback.
Adding 7.7's FLAC->AIFF rule doesn't help and results in the same
thing. I can see from the server log that the new rule is invoked (AIFF
has precedence over PCM in the code), but I still get white noise for
24/48.
I also tried the following rule (and a few others) in
custom-convert.conf specifically for the SB1 by designating its MAC
address. It does get invoked for any FLAC files, including 16/44.1,
24/48, and 24/48, but only the 16/44.1 plays correctly, with the others
resulting in white noise.
Code:
--------------------
flc pcm squeezebox 00:04:20:05:7a:ec
# FT:{START=--skip=%t}U:{END=--until=%v}D:{RESAMPLE=-r %d}
[sox] -q -t flac $FILE$ -t raw $RESAMPLE$ -
--------------------
I'm betting that there's something wrong in the info about the stream
that is being sent by the server to the SB1. There have been a number
of similar bugs recently. I don't think many higher resolution formats
get tested before a release.
--
JJZolx
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