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Incidentally, this adjustment is not duplicated on most A/V receivers.
Some receivers can adjust for speaker distance on the multi-channel signals that
are decoded in the receiver itself. But most receivers offer no such adjustment
for the 5.1-channel analog inputs you may be using to enjoy multi-channel Super
Audio CD.
Today's advanced televisions and video projectors often incorporate
sophisticated video signal processing to optimize the image quality. Often, these
circuits require buffer memories that result in a slight delay of the video signal.
Unfortunately, this can result in a mismatch, where the television picture lags
behind the sound from the speakers by some fraction of a second. As you can
imagine, the effect can be unnatural and annoying.
That's why Sony offers another Digital Signal Processing function: AV
Sync. This enables you to correct time misalignments between the audio and
video signals by up to 120 milliseconds, in 10 millisecond increments. Sony
brings your television and your home theater speakers back into alignment. A/V
Sync achieves identical results on stereo, 5.1-channel and even digital audio
outputs.
Unlike previous models, the DVP-NS9100ES and NS3100 also provide
speaker size and location settings for Super Audio CD playback that are
separate from the settings you make for DVD-Video and other formats.
Super Audio D/A Converter (SA DAC)
If you're using the DVP-NS9100ES with an amplifier that does not have an
i.LINK® interface of if you're enjoying the NS3100ES, you won't be listening to
Super Audio CDs via digital output. In this case, the player's on-board D/A
converters will exert a pivotal influence on sound quality.
Multi-channel Super Audio CDs present the player with six separate
channels—all recorded with exactly the same superb quality as two-channel
Super Audio CD. That's why the Sony® ES Series DVD players incorporate six
channels of Sony's Super Audio D/A Converter (SA DAC). The circuit delivers
superlative performance for multi-channel SA-CD, two-channel SA-CD and CD
reproduction.
ES DVD Players 2005, Version 4.0
A/V Sync
Separate speaker settings
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