Pioneer DEH-P900HDD operation manual Memory Stick, Multi-session, Packet write

“Memory Stick”

This is a compact, light-weight IC recording medium. The “Memory Stick” is a regular “Memory Stick” without the copyright protection technology used in the “MagicGate Memory Stick.” The “Memory Stick” can be used to record image and audio data, etc. with “Memory Stick” compatible equipment. Different types of data can be recorded on a single “Memory Stick.”

MP3

MP3 is short for MPEG Audio Layer3. It is an audio compression standard set by a working group (MPEG) of the ISO (International Standards Organization). MP3 is able to com- press audio data to about 1/10th the level of a conventional disc.

Multi-session

Multi-session is a recording method that allows additional data to be recorded later. When recording data on a CD-ROM, CD-R or CD-RW, etc., all data from beginning to end is treated as a single unit or session. Multi-session is a method of recording more than 2 sessions in one disc.

Packet write

This is a general term for a method of writing on CD-R, etc. at the time required for a file, just as is done with files on floppy or hard discs.

SDMI

SDMI is short for Secure Digital Music Initiative. In order to develop a uniform system of copy- right protection technology that can be used around the world, more than about 130 compa- nies and organization representing the record- ing, computer and consumer electronics indus- tries have created a form. The objective is to prevent illegal use of music data and to pro- mote the development of legitimate music distri- bution services. The “MagicGate” copyright pro- tection technology is standard based on SDMI regulations.

VBR

VBR is short for Variable Bit Rate. Generally speaking CBR (Constant Bit Rate) is more widely used. But to flexibly adjust the bit rate according to the needs of audio compression, it is possible to achieve compression priorities sound quality.

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SCMS

SCMS is short for Serial Copy Management System. This is a serial copy management sys- tem developed to stop serial copying (copying of copies) of music, including copying of music recorded digitally from CDs etc. to a hard disk (music server).

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