That leaves two other precedents, one of which was the dual-format audio disc war fought between SACD and DVD-Audio.

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There's the DVD audio, super audio, the dual-disc that includes a CD on one side and a DVD on the other side.

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Its bandwidth of 428 kilohertz means a single segment can carry a bare-bones video picture, compact disc-quality audio, and text for news flashes, weather details and emergency announcements.

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Blu-ray DiscTM is the next-generation optical disc format for high definition audio-video and high-capacity data software applications.

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One of our favorite features that as far as we know is unique to this disc are the all the audio tests.

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It also uses the latest Bluetooth version 3.0 with improved audio bandwidth capability to deliver sound quality approaching that of compact disc.

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In this, the stream of video and audio data is recorded as a series of minuscule spots on the disc's surface that have been gently fried by a laser beam and turned from their normal crystalline condition to an amorphous state that has different reflective properties.

ECONOMIST: Digital video discs

DivX Plus Streaming brings a cutting-edge feature set to streaming media that is typically characteristic of the Blu-ray Disc consumer experience such as multi-language subtitles and audio tracks, trick-play track for smooth fast forward and rewind, chapter points for quick scene navigation, and resume playback across devices.

ENGADGET: Toshiba to launch TVs with DivX Plus Streaming certification