iRiver imp-150 User Manual
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FAQ
Q
A
Is the sound better if I convert an MP3 file into WAV?
There are two groups of audio data, compressed and uncompressed. MP3 is a
diminished compression format in the compressed group, meaning it is not
possible to create the original audio file 100%, partly due to the fact that there are
frequencies missing. Once it is lost, there is no way to recover the lost part.
diminished compression format in the compressed group, meaning it is not
possible to create the original audio file 100%, partly due to the fact that there are
frequencies missing. Once it is lost, there is no way to recover the lost part.
Q
A
What kind of media can the iMP-150 support?
Conventional Audio CD (8Cm, 12 Cm), CD-R, CD-RW DATA CD with MP3, ASF
and WMA
The iMP-150 also supports Mixed CD (Data Track + Audio Track), CD-Extra
(Audio Track + Data Track), Multi-session and packet writing Burnt CD.
and WMA
The iMP-150 also supports Mixed CD (Data Track + Audio Track), CD-Extra
(Audio Track + Data Track), Multi-session and packet writing Burnt CD.
Q
A
What is VBR?
VBR is "Variable Bit Rate". Some MP3 encoders support VBR. When enabled, the
compressor will use a bit rate that will fit the actual passage. If it is a complex part,
having much more variation in the sound, it will use a high bit rate. If there is less
variation in sound, it will use a lower bit rate. Usually, the average bit rate will not
be as high as a same-quality MP3 with CBR (Constant Bit Rate). However, there
is shortcoming that it's hard to keep track of the actual position that may not be
favorable with studying language.
compressor will use a bit rate that will fit the actual passage. If it is a complex part,
having much more variation in the sound, it will use a high bit rate. If there is less
variation in sound, it will use a lower bit rate. Usually, the average bit rate will not
be as high as a same-quality MP3 with CBR (Constant Bit Rate). However, there
is shortcoming that it's hard to keep track of the actual position that may not be
favorable with studying language.
Q
A
I can't hear the ASF file.
There are two kinds of ASF files, Audio and Video. The iMP-150 supports Audio
ASF file only.
ASF file only.