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Term Meaning Page
AAC An abbreviation for “Advanced Audio Coding”. This is
a compression standard that applies only to the audio
component in image compression methods used for
digital broadcasting, etc.
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Bit rate A value indicating the amount of information
processed per second. The higher the bit rate, the
better the sound quality.
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CD-DA Refers to music CDs. Almost all discs normally referred
to as “CDs” are actually CD-DA discs.
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CONEQ CONEQ equalizes acoustic power frequency response
and corrects phase and time alignment errors of
a speaker system. Speakers with CONEQ perform
as electro-acoustic transducers providing true to
the original sound with the highest musicality and
intelligibility.
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MP3 An audio compression method developed by
Germany's Fraunhofer IIS, which achieves high rates
of data compression by discarding data not readily
audible to humans. MP3 can compress data down to
rates of approximately 1/11 (128 kbps) while retaining
sound quality equivalent to a music CD.
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Sampling
frequency
A value that indicates the number of times per second
analog signals are sampled for conversion to digital
signals. The sampling frequency for music CDs is 44.1
kHz. Normally, the higher the sampling frequency, the
better the sound quality.
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TAG information Information included in audio les, such as title, artist,
album, and genre.
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USB A standard for the interface to connect peripheral
devices to a computer. This system supports USB 1.1
and 2.0.
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USB mass
storage class
A standard for computer control of a USB device. It
also makes it possible for a computer to recognize a
connected USB device as an external storage device.
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WMA An abbreviation for the “Windows Media™ Audio”
audio compression and encoding system developed
by Microsoft Corporation of the U.S.
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Glossary of Terms
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