iPod video 5.5 with 240 Gb drive, max bitrate/ bit depth for FLAC playback?

[Gliderguy]

Running Rockbox 3.8.1,  i stored some 96 kHz / 24 bit hi-rez 2 channel FLAC Files on the device just for archival backup (DVD-A standard rate).  I WAS RATHER IMPRESSED when they played just fine, at around a 3,000 kb/s rate!  There are  192kHz/ 24 bit files commercially available, does the DAC in this unit support rates that high?  The question comes more from a "gee-whiz, will it work?" standpoint rather than any real practical application.  My Denon receiver maxes out at 96/24, which is why I bought a few albums at this rate.  Kind of cool being able to stream to my home theater system at beyond CD quality just for giggles.

The manual hints at bit depths up to 32 being supported for other file formats, but doesn't directly say what the limits for FLAC are.  No mention of bitrate...

[gevaerts]

does the DAC in this unit support rates that high?

No. Well, maybe, but it doesn't matter much.

Rockbox will resample everything to 44100/16,  so it makes no sense to deliberately put more on the player, except if you actually enjoy occasional glitches and high battery usage.

[Gliderguy]

Thanks.  As I said, the purpose was to have an archival backup of the hi-rez files (what else am I going to use a 240Gb drive for anyway) , so being able to play them resampled on the fly in the device is just a bonus.   That is pretty much what Itunes and airplay do anyway, but I can actually play those files full rez using songbird to stream to my AVR.

Thanks again for the reply.

[saratoga]

Unless they have a lot of channels and very high sample rate (so that the CPU can't keep up), they should work.  Not sure about 5.1, the ipod video has a very slow CPU. 

[torne]

Is it still the case that our resampler isn't very good quality?

[wodz]

It is pure linear interpolation. Hermite polynomial version has never been finished.