24/96 DAC + DVD Player - Help


I recently picked up a Musical Fidelity X-24K 24/96 dac, and have it hooked up to the coax output of my cheap Sony DVD player. I have yet to see the DAC indicate a sampling rate above 48k. Is this normal? Is it a function of the recording, rather than the DVD player? When I turn off Dolby Digital at the digital output, it defaults to D-PCM. Is that the issue?

Thanks,

Neil
128x128lneilb
There are a number of threads on this, so you should check the archives as well as any responses here. Basically, not all DVD players have a coaxial digital output which will output a 24 bit/96khz data stream. Most of the Pioneer units did, and my Marantz DV-18 does (but only after some on-screen programming of the unit), but some players do not. Check your owner's manual on this. In addition, if you play a CD, the only digital data that can be transmitted will be the 16 bit/44khz signal; you need a DAD with 24 bit/96khz data to have a chance at the higher rez data stream. Hope this helps somewhat.
Neil,

Not all DVD players allow 24/96 to go out. Some will down sample 96k to 48k. Some will simply block it. Please double-check the user manual to make sure your player actually allow 24/96 digital out.

Also, which DVD did you play? Not all DVD contain 24/96 PCM track. Even if it does, you might need to select the right audio track from the DVD menu because 24/96 usually is not the default.

When you said "When I turn off Dolby Digital at the digital output, it defaults to D-PCM". I assume you meant changing a setting from the setup menu of the player, not from the DVD menu. If that is so, when you set it to D-PCM, it might be telling the DVD player to block Dolby Digital from digital out because if you are connecting to a regular DAC, Dolby Digital will cause loud noise and may damage your speaker. This is just my educated guess without knowing what player you are using.
FYI, the Technics DVD-A10 has a "re-master" function that upsamples redbook cds from 16 bit 48 khz to 24 bit 88 khz. And, the digital out transmits up to 24 bit 192 khz.

With only a generic powercord, the DVD-A10 with the remaster on and only with a stock powercord sends an equally good signal to the Meridian 563 as good as the Meridian 500's transport with a Virtual Dynamics Audition Cryo PC.
As far as I'm aware the only discs that have 96/24 tracks are Digital Audio Disks (DAD, very rare species, some on Chesky). This format has failed to make an impact and is overtaken by SACD and DVD-A. To play this over your DAC, you would have to set the digital output to this resolution somewhere in your set-up, if indeed your DVD player allows you to. Normal "Movie" DVDs will only output at 48Khz. Anyone that's aware of high rez soundtracks, please correct me if I'm wrong on this one.