DVD (also known as "Digital Versatile Disc" or "Digital
Video Disc") is
a popular optical disc storage media
format. Its main uses are video and data storage. Most DVDs are of the same
dimensions as compact discs (CDs) but store more than six times as much data.
DVD-Video discs respectively refer to
properly formatted and structured video content. It uses MPEG-2
for video compression, with AC-3,
MPEG audio for multi-channel audio support.
To decode DVD, you will need both GPL
MPEG-2 Decoder, and AC-3
Because of its exceptional performance and quality, Advanced
Audio Coding (AAC) is at the core of the MPEG-4,
3GPP and 3GPP2
specifications and is the audio codec of choice for Internet, wireless and digital
broadcast arenas. AAC provides audio encoding that compresses much more efficiently
than older formats, such as MP3,
yet delivers quality rivaling that of uncompressed CD audio.
To encode MPEG-4 audio, you need to have River
Past MPEG-4 Booster Pack in addition to your audio software.
River Past Audio Converter