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SACD
SACDs use a system of numbered tracks for
navigation, just as CDs do. In addition, an SACD
will provide distinct areas when multi-channel
tracks are present in addition to the normal stereo
tracks. Each audio format (multi-channel or stereo)
is contained is its own separate area.
The Ayre C-5xe will always play the stereo area
of an SACD, ignoring any multi-channel areas that
may be present.
All SACDs may therefore be easily navigated in the
same way as a standard CD.
DVD-Audio
The DVD-Audio format is extremely flexible and
allows for a wide variety of audio formats, including
both stereo and multi-channel, each with a
multiplicity of available sample rates and
resolutions. This increased flexibility necessarily
leads to an increased complexity of disc navigation.
DVD-Audio Disc Structure
On a DVD-A disc each separate audio format is
contained in its own group, and each group is
divided into numbered tracks. For example, a disc
may have one group with a stereo mix sampled at
192 kHz with a resolution of 24 bits, while a second
group may have a multi-channel (surround sound)
mix sampled at 96 kHz with a resolution of 24 bits.
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