Sony Walkman MZ-NE410 Operating Instructions Manual page 64

Recording mode (Bit rate)
This is a measure of d_ta volume per second. The rate is expressed in bps (bits per second).
In SonicStage, 1he bit rate can be selected lbr recording an audio CD or converting MP3
and WAV lbrmat audio files into ArRAC3 lbrmat fi'om among three rates: 132 kbps, 105
kbps or 66 kbps. In the case of 105 kbps, 105,000 bits of intbrmotion is processed per
second. If the bit rale is large, that means a large amount of information is used 1o play 1he
music. 'ilms, 105 kbps data produces better sound quality lhas_ 66 kbps data, and 132 kbps
data provides bO|er sound quality |ban 105 kbps data. ttowever, audio files in formats such
as MP3 have different encoding methods, and so the sound quality is not determined by _he
bit rate alone.
SDMI
SDMI, which strands lbr Secure Digital Music [niti3tive, is a lbrum that consists of over
130 companies in the fields of recorded audio content, computers, and consumer
eleclronics. It is dedicaled to 1he development of integrated copyright prolection
technology 1hat can be used worldwide.
SDMI is working m creale a framework lbr preventing lhe improper usage of audio files
and to promote legal music distribution services. The copyright protection technology
OpenMG is based on the SDMI standard.
Windows Media Audio
This is an audio compression technology that includes the management system called
"Windows Media Rights Manager".
Windows Media Technology
This is a technology 1hat includes a contents management system called Windows Media
Rights Monager which encrypts contents and distributes music contents along with their
conditions lbr usoge, distribution, etc. Audio files supporling Windows Media
Technologies (WMT) downloaded via EMD* can be imported into and managed by
OpenMG Jukebox.
* EMD may not be available in certain areas of the world.
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