Search results
Results from the WOW.Com Content Network
Generally, one cycle constitutes one block of data. If there is a faulty block of data, the player may do one of the following: Repeat the previous block of audio; Skip the faulty block; Try and retry to read it, causing a stopping and starting of the music; A player may utilise one or more of these techniques, depending on how faulty the data is.
Players from 1997 onward have more power-efficient skip protection. Portable players, more so portable CD players but also some portable DVD players, that invariably include an ASP feature (Anti-Skip-protection), struggle with CD-R/RW, DVD-R/RW and DVD+R/RW discs – due to the ASP feature being enabled.
A CD drive can have extraction errors when the data on the disc is not readable due to scratches or smudges. The drive can compensate by supplying a "best guess" of what the missing data was, then supplying the missing data.
Another deliberate violation of the Red Book standard intended to make the CD play only on CD players and not on computers by applying bogus data track onto the disc during manufacturing, which CD players will ignore as non-audio tracks. The system could be disabled by tracing the outer edge of a CD with a felt-tip marker. [3] MediaMax CD3
For example, audio tracks on such media cannot be easily added to a personal music collection on a computer's hard disk or a portable (non-CD) music player. Also, many ordinary CD audio players (e.g. in car radios) had problems playing copy-protected media, mostly because they used hardware and firmware components also used in CD-ROM drives ...
The 8 cm CD provides a smaller alternative to the normal 12 cm CD (although with a lower capacity). Miniature players exist that play only this format. Some portable CD players feature an externally attached playback controller as depicted, to facilitate control while the main unit is placed in a bag or pocket.
A portable CD player is a portable audio player used to play compact discs. Portable CD players are powered by batteries and they have a 1/8" headphone jack into which the user plugs a pair of headphones. The first portable CD player released was the D-50 by Sony. [58]
Today, every smartphone also serves as a portable media player; however, prior to the rise of smartphones in the 2007–2012 time frame, a variety of handheld players were available to store and play music. The immediate predecessor to the portable media player was the portable CD player and prior to that, the personal stereo.