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137.189.4.1
In Reply to: make sure the dynamic range control is off posted by Joe Murphy Jr on May 23, 2006 at 17:57:31:
Thanks for the suggestion.I suspect during the downmixing the DVD player enforces some dynamics compression (to avoid overloading the TV speakers?). I also use a pair of Pinoeer DD/DTS headphones and sometimes I found the sound to be more dynamic through the headphone than through the PCM output.
Seems like I'll need to consider adding a surround processor to do the downmixing properly.
I agree with your assessment of DD as I found DTS to sound significantly better even through my virtual surround headphones. It's a pity it is not more widely used in DVD.
Follow Ups:
It may be called Night Mode, Dynamic Range Control or some other similar name. Its function is to compress the low level signals (making them louder) and the high level signals (making them softer). This squeezes everything to the middle so that the volume doesn't have to be turned up to hear the quiet passages or turned down to compensate for the loud passages. It's used mostly for late night viewing/times when you don't want to disturb others with a dynamic soundtrack.But if it's ON when it should be OFF, it takes the life out of the soundtrack.
Found the option "Dynamic Range Compression" but it's already off so it's not the culprit.
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