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Recording mode (Bit rate)
This is a measure of data volume per second. The rate is expressed in bps (bits per second).
in SonicStage, the bit rote can be selected for recording an audio CD or converting MP3
and WAV format audio files into EI'RAC3 format from among lhree rotes: 132 kbps, 105
kbps or 66 kbps. in the case of 105 kbps, I05,000 bils ofinlk)rmafion is processed per
second, if the bit rate is large, that means a large amount of intk)rmation is used to play the
music. Thus, 105 kbps data produces better sound quality than 66 kbps data, and 132 kbps
data provides better sound quality than 105 kbps data. However, audio files in formats such
as MP3 have different encoding melhods, and so _he sound quality is not determined by the
bit rale alone.
SDMI
SDMI, which stands for Secure Digital Music initiative, is a forum lhat consists of over
130 companies in the fields of recorded audio content, computers, and consumer
electronics, it is dedicaled to the development of inlegraled copyright protection
technology that can be used worldwide.
SDMI is working to create a fi'amework for preventing the improper usage of audio files
and to promota legal music distribution services. The copyright protection lechnology
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 _hat includes a contants mas_agement system called Windows Media
Rights Manager which encrypts contents and distribules music contents along with _heir
conditions for usage, distribution, etc. Audio files supporting Windows Media
Technologies (WMT) downloaded via EMD* can be imported into and managed by
OpenMG Jukebox.
* EMD may no1 be available in certain areas of the world.
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