A ﬁle format with a sound data compression
system. MP3 is the abbreviation of Motion
Picture Experts Group 1 (or MPEG-1) Audio
Layer 3. With the MP3 format, one CD-R or
CD-RW can contain about 10 times more
data than a regular CD.
Secure Digital. A type of memory card with a
Secure Digital High Capacity (SDHC) is a
type of ﬂash memory card based on the SDA
2.00 speciﬁcation. The SDA 2.00 speciﬁcation
enables SD cards to reach higher capacities
from 4GB to 32GB, and growing.
WMA (Windows Media Audio)
An audio format owned by Microsoft, is a
part of Microsoft Windows Media technology.
Includes Microsoft Digital Rights Management
tools, Windows Media Video encoding
technology, and Windows Media Audio