זאת התשובה הממצה שקבלתי משירות הלקוחות של דנון:
I think it's time to step back an explain the purpose of Music DVD's and how they generally operate with associated audio formats. This may help you to understand and appreciate what you are experiencing better.
Music DVD's due to there ability to store and process more data than traditional CD's, can provide a much higher quality stereo playback through compatible hardware. The DVD will use different audio track with different types of compression, to allow them to be compatible with a wide range of audio equipment including the most common listed below.
PCM is the conventional method for converting analog audio into digital audio. IT's the same as is used by standard CD's so will be able to be played back through all standard HiFi Stereo equipment without issue in Stereo.
Dolby Digital is used to provide a higher quality audio stream that can be output by compatible equipment as high quality stereo. Just because it's being sent in a Dolby Digital Format, doesn't mean that it has to be multichannel by default. Dolby Digital can support up to 5.1 channels, but if the DVD audio track on the disc is stereo, all you will get is Stereo, but at a higher quality then PCM.
DTS As with Dolby Digital, DTS can be either Stereo or Multichannel, but as it can provide Higher Quality audio over multichannel output compared to Dolby Digital, if present on the DVD, it tends to be the default to be the Multichannel output for a 5.1 system for example.
So for Music DVD's if you have PCM,Dolby Digital and DTS present then the output is most likely to be the following
PCM= Stereo
Dolby Digital= Higher Quality Stereo (if played from or to a Dolby Digital supported device.)
DTS= Multichannel Mix for output at a Multichannel device (AVR for example)
What if the Disc only has PCM and Dolby Digital as options? Well if there is a Dolby Digital track that is specified as "Dolby Digital 5.1" for example, then this may be the multichannel option for output as a replacement for DTS. However if the Dolby Digital has been mixed and recorded to the DVD as Stereo, you will just get stereo output from the DVD player.
However there are options to get a Stereo signal to be "Converted" to Multichannel at the AVR. If playing Dolby Digital track for example, Dolby Pro Logic II with take a stereo signal and create the additional channels for pseudo surround. For DTS you could use DTS Neo6 as the option to create and fill the additional channels with pseudo surround. Finally for a PCM stereo input, a multichannel stereo mode will output stereo across all channels.
So if the DVD doesn't offer a specific mixed multichannel output audio track (DTS in this case) that your hardware can play as native surround, then you can cycle trough the various sound "Modes" at the AVR until you find an option that outputs Dolby Digital or PCM as described above.