pssturges wrote: 
> Sorry to take so long to get back to you. Busy weekend.
> 
> Looks like we have some moving goal posts and to a large degree this
> seems to be solved. I sat down today to do some thorough testing and
> provide logs as you suggested. Before starting I noticed a firmware
> update had become available in the last couple of days for my receiver
> so I downloaded and applied it. This certainly seems to have had some
> effect. I'd also be interested to know if you've made any changes in the
> last few days to the bridge that may have had an impact?
> 
> After applying the update, I thought I'd systematically try all the
> available settings and gather logs for each. I've set up a little
> playlist that covers most audio types in my library and ran this
> playlist with each setting. Details of the playlist are as follows:
> 
> Track 1: ALAC 44.1/16
> Track 2: ALAC 48/24
> Track 3: ALAC 192/24
> Track 4: MP3
> Track 5: AAC
> 
> Below, in order are the results I found:
> 
> Supported codecs: pcm
> PCM format: raw
> 24 bits PCM: plain 24 bits
> Result: 24bit fails to play, 16 bit plays, mp3 won't play, AAC plays
> Log: https://pastebin.com/JRUEE5hf
> 
> Supported codecs: pcm
> PCM format: raw
> 24 bits PCM: packed type 1
> Result: 24bit fails to play, 16 bit plays, mp3 won't play, AAC plays
> Log: https://pastebin.com/Zz4M87AU
> 
> Supported codecs: pcm
> PCM format: raw
> 24 bits PCM: 16 bits always
> Result: 16bit ALAC plays fine, 48/24 recognised as 48/16 plays fine,
> 192/24 recognised as 44.1/16 plays REALLY slow, mp3 won't play, AAC
> plays fine
> Log: https://pastebin.com/FrTJtPNA
> 
> Supported codecs: pcm
> PCM format: raw
> 24 bits PCM: 16 bits raw only
> Result: 16bit ALAC plays fine, 48/24 recognised as 48/16 plays fine,
> 192/24 recognised as 44.1/16 plays REALLY slow, mp3 won't play, AAC
> plays fine
> Log: https://pastebin.com/5VX1bqVC
> 
> Supported codecs: pcm
> PCM format: wav
> 24 bits PCM: plain 24 bits
> Result: 24bit plays and recognised as 24bit, 16 bit plays, mp3 won't
> play, AAC plays
> Log: https://pastebin.com/B4T9Fz1h
> 
> 
> These results a quite different to what I was experiencing a week ago
> and there's no sign of the original problem, so I'm not sure how much
> can be attributed to the firmware update or any changes in the bridge.
> Once I achieved the (mostly) working version, I've left it at that and
> will see how that goes for a while.
> 
> You mentioned previously that using wav introduced other potential
> problems. I'd be interested to know what they are so I can decide
> whether this is worth pursuing further. 
> 
> At this stage, it seems the only outstanding issue is non-playing of mp3
> any obvious fixes for that?
> 
> BTW as an aside, I had great difficulty getting a complete log. It
> always seemed to get truncated despite what I entered for the max size
> setting.
> 
> Once gain thanks for all your help on this.

Actually, scratch most that!

I've realised that I had turned volume levelling off. Turning it back on
brings the loud distorted sound back for 24bit. The bridge settings are
still the same as in the last test.


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View this thread: http://forums.slimdevices.com/showthread.php?t=103728

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