What is the DVD-Audio Specification?
DVD-Audio allows for a wide variety of audio formats at varying levels of specification. DVD-Audio supports the same multi-channel audio formats used with DVD-Video. Therefore both DVD-Video and DVD-Audio can provide high definition multi-channel audio recorded in the Dolby Digital and DTS audio formats. However, real advantage of the DVD-Audio specification over DVD-Video and CD is in the significantly increased quality of the PCM audio format. PCM or “Pulse-Coded-Modulation” is the audio format standard for CDs and available on many DVD-Videos. DVD-Audio supports a significantly higher quality of PCM audio than is possible on CD or DVD-Video. Full multi-channel surround sound can be recorded in high fidelity PCM creating a sound field with the ambience and fullness of a live performance. DVD-Audio PCM can be recorded with a range of frequencies that are more than four times that of a CD; giving instruments a liveliness and expression that is not possible on a CD. DVD-Audio PCM also h
