12Additional information
JPEG
A file format used for still images, such as photographs and illustrations. JPEG files are identified by the file extension “.jpg” or “.JPG”. Most digital cameras use this format.
MP3
MP3 (MPEG1 audio layer 3) is a compressed audio file format. Files are recognized by their file extension “.mp3” or “.MP3”.
MPEG audio
An audio format used on Video CDs and some DVD discs. This system can convert MPEG audio to PCM format for wider compatibility with digital recorders and AV amplifiers. See also PCM.
MPEG video
The video format used for Video CDs and DVDs. Video CD uses the older
PCM (Pulse Code Modulation)
The most common system of encoding digital audio, found on CDs and DAT. Excellent quality, but requires a lot of data compared to formats such as Dolby Digital and MPEG audio. See also Digital audio.
PBC (PlayBack Control) (Video CD only)
A system of navigating a Video CD through
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Regions (DVD-Video only)
These associate discs and players with particular areas of the world. This system will only play discs that have compatible region codes. You can find the region code of your system by looking on the rear panel. Some discs are compatible with more than one region (or all regions).
Sampling frequency
The rate at which sound is measured to be turned into digital audio data. The higher the rate, the better the sound quality, but the more digital information is generated. Standard CD audio has a sampling frequency of 44.1kHz, which means 44,100 samples (measurements) per second. See also Digital audio.
WMA
WMA is short for Windows Media Audio and refers to an audio compression technology developed by Microsoft Corporation. WMA data can be encoded by using Windows Media Player version 8 or Windows Media Player for Windows XP. Files are recognized by their file extension “.wma” or “.WMA”.
Microsoft, Windows Media, and the Windows logo are trademarks, or registered trademarks of Microsoft Corporation in the United States and/or other countries.
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