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Those 74 minutes come from the maximum playtime that the Red Book (audio CD standard) specifies for a digital audio CD (CD-DA); although now, most recordable CDs can hold 80 minutes worth of data. The DVD and Blu-ray discs hold a higher capacity of data, so reading or writing those discs in the same 74-minute time-frame requires a higher data ...
Some do so for extra features such as DualDisc, which includes both a CD layer and a DVD layer whereby the CD layer is much thinner, 0.9 mm, than required by the Red Book, which stipulates a nominal 1.2 mm, but at least 1.1 mm. Philips and many other companies have stated that including the Compact Disc Digital Audio logo on such non-conforming ...
Whereas DVD-Video audio formats such as Dolby Digital and DTS can be sent via the player's digital output to a receiver for conversion to analog form and distribution to speakers, DVD-Audio is not allowed to be delivered via unencrypted digital audio link at sample rates higher than 48 kHz (i.e., ordinary DVD-Video quality) due to concerns ...
If the data density is the same everywhere on the disc, as is the case with CD and DVD and Blu-ray discs, the linear velocity directly correlates with the transfer rate (read speed or write speed), meaning an increase in linear velocity also increases the amount of data read from the disc in the same time, regardless of whether the laser is ...
Comparison of various optical storage media. This article compares the technical specifications of multiple high-definition formats, including HD DVD and Blu-ray Disc; two mutually incompatible, high-definition optical disc formats that, beginning in 2006, attempted to improve upon and eventually replace the DVD standard.
DVD (initially an acronym of "Digital Video Disc", then backronymed as "Digital Versatile Disc" and officially just "DVD") was the mass market successor to CD. DVD was rolled out in 1996, again initially for video and audio. DVD recordable formats developed some time later: DVD-in late 1997 and DVD+ in 2002.
Early devices supporting Video CD playback include the Philips CD-i systems and the Amiga CD-32 (albeit via an optional decoder card). [8] Disc playback is also available both natively and as an option on some CD- and DVD-based video game consoles, including the original PlayStation (only on the SCPH-5903 model).
The collection includes many features for CD, DVD and Blu-ray disc writing such as: creation of audio, data, and mixed (audio and data) CDs; burning CD-R, CD-RW, DVD-R, DVD-RW, DVD+R, DVD+RW, dual layer DVDs, and Blu-ray Discs; support for Track-At-Once and Disc-At-Once recording modes; cue sheet file format support, with Exact Audio Copy ...