Sony NW-E105PSBLU - Network Walkman Operating Instructions Manual - Page 41
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Glossary
MagicGate
Copyright protection technology that consists of authentication and encryption technology.
Authentication ensures that protected content is transferred only between compliant devices and
media, and that protected content is recorded and transferred in an encrypted format to prevent
unauthorized copying or playback.
Note
is terminology denoting the copyright protection system developed by Sony. It does not
guarantee conversion among other media.
OpenMG
Copyright protection technology that securely manages music content from the EMD/Audio CD
on a personal computer. Application software that is installed on the computer encrypts the
digital music content when recording on the hard drive. This allows you to enjoy music content
on the computer, but prevents unauthorized transmission of this content across a network (or
elsewhere). This PC copyright protection complies with "MagicGate", and allows you to transfer
digital music content from a PC's hard drive to a compliant device.
ATRAC3
ATRAC3, which stands for Adaptive Transform Acoustic Coding3, is audio compression
technology that satisfies the demand for high sound quality and high compression rates.
The ATRAC3 compression rate is approximately 10 times higher than that of the Audio CD,
resulting in an increased data capacity for the media.
ATRAC3plus
ATRAC3plus, which stands for Adaptive Transform Acoustic Coding3plus, is audio
compression technology that compresses data higher than ATRAC3. The ATRAC3plus is new
audio compression technology that enables equal or higher quality sound comparing to
ATRAC3.
Bit rate
Indicates the data amount per second. The rate is reflected in bps (bit per second).
64 kbps means 64,000 bits of information per second. If the bit rate is large, that means a large
amount of information is used to play music. Comparing music of the same format (e,g.,
ATRAC3plus), 64 kbps data offers better sound quality than 48 kbps data. However, audio files
in formats such as MP3 have different encoding methods, and thus sound quality cannot be
determined by simply comparing the bit rate.
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