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circlotron
2009-11-04, 06:45
Since upgrading to 7.4.1 Squeezebox Server (on ReadyNAS) I'm unable to play high resolution FLAC files. I have 88.2/24 and 96/24 FLAC files and a Squeezebox 3. The error I'm getting is: "Unsupported Sample Rate"

The 88.2/24 file is new so I can't say if it ever would have worked. Nine Inch Nails "The Slip" is 96/24 and used to play on 7.3.3 though.

Is it possible that I'm missing a plugin or could this be a 7.4.1 bug?

dennis55
2009-11-04, 10:38
circlotron,Squeezebox 3 can only downsample 88/96 khz files to 16 bit @48khz...therefore your message from 7.4.1. is correct.





Since upgrading to 7.4.1 Squeezebox Server (on ReadyNAS) I'm unable to play high resolution FLAC files. I have 88.2/24 and 96/24 FLAC files and a Squeezebox 3. The error I'm getting is: "Unsupported Sample Rate"

The 88.2/24 file is new so I can't say if it ever would have worked. Nine Inch Nails "The Slip" is 96/24 and used to play on 7.3.3 though.

Is it possible that I'm missing a plugin or could this be a 7.4.1 bug?

Peter314
2009-11-04, 10:59
circlotron,Squeezebox 3 can only downsample 88/96 khz files to 16 bit @48khz...therefore your message from 7.4.1. is correct.

The downsampling should be handled by SOX on the server side. My SB3's are playing 24/96 and 24/88.2 files fine under 7.4.2 (and also played them fine under 7.4.1, at least 24/96 - not sure I played any 88.2's).

PS: SB3 will handle up to 24/48 natively, and that is what SOX should be downsampling 24/96 tracks to.

Peter314
2009-11-04, 11:01
Since upgrading to 7.4.1 Squeezebox Server (on ReadyNAS) I'm unable to play high resolution FLAC files. I have 88.2/24 and 96/24 FLAC files and a Squeezebox 3. The error I'm getting is: "Unsupported Sample Rate"

The 88.2/24 file is new so I can't say if it ever would have worked. Nine Inch Nails "The Slip" is 96/24 and used to play on 7.3.3 though.

Is it possible that I'm missing a plugin or could this be a 7.4.1 bug?

It sounds as if SOX is broken. If you look at processes running during attempted play of a high res. file, is sox.exe listed?

circlotron
2009-11-04, 13:27
I think I just found the answer. (Looks like it's been a while since I listened to "The Slip".)


This issue was considered as part of the downsampling changes (enhancements) in SC7.3. The decision was that the existing ability of an SB3 to drop every other sample when trying to play 88.4/96k samples/s was in fact a bug and not a feature. The resolution of the bug was to change SC so that it would no longer try to send such streams to the player.

This has the side-effect that users of especially low-powered servers, such as the ReadyNAS Duo, are no longer able to play tracks with a sample rate higher that that supported by the player. Solutions in this case are: (a) resample the tracks in batch mode and store the results in SC, (b) get a more powerful server, (c) revert to SC7.2.1.