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Codec Description Channels
Container/
Extension
PCMWAVE
8 bit and 16 bit
8000, 16000, and 44100 Hz
sampling frequency
Mono and
stereo
.wav
FLAC
44.1 kHz, 48 kHz, 88.2 kHz,
96 kHz, 176.4 kHz, 192 kHz
sampling rate
16 bit, 24 bit
Mono and
stereo
.ac
ALAC
44.1 kHz, 48 kHz, 88.2 kHz,
96 kHz, 176.4 kHz, 192 kHz
sampling rate
16 bit, 24 bit
Mono and
stereo
.m4a
● The player is compatible with VBR (Variable Bit Rate).
● MP3 (MPEG Audio Layer 3), WMA (Windows Media
Audio) and AAC (Advanced Audio Coding) are audio
compression standards.
● This system can play AAC/AAC+ v2/MP3/WMA les on
USB memory device and Bluetooth device.
● When naming an AAC/AAC+ v2/MP3/WMA le, add an
appropriate le extension (.mp3/.wma/.m4a).
● This system plays back les with .mp3/.wma/.m4a le
extensions as AAC/AAC+ v2/MP3/WMA les respectively.
To prevent noise and playback errors, use the appropriate
le extension.
● MP3 les are compatible with the ID3 Tag Ver. 1.0, Ver. 1.1,
Ver. 2.2 and Ver. 2.3 formats. This system cannot display
folder name, le name and artist name in other formats.
● WMA/AAC les can contain a WMA/AAC tag that is used
in the same way as an ID3 tag. WMA/AAC tags carry
information such as le name and artist name.
● This system can play back AAC les encoded by iTunes.
● The sound quality of MP3/WMA les generally improves
with higher bit rates. In order to achieve a reasonable
level of sound quality, USB memory device recorded with
a bit rate of at least 128 kbps are recommended.
● MP3i (MP3 interactive) and MP3PRO formats are not
compatible with the audio device.
● When playing back les recorded as VBR (Variable Bit
Rate) les, the play time will not be correctly displayed if
the fast forward or rewind operations are used.
● It is not possible to check folders that do not include
AAC/AAC+ v2/MP3/WMA les.
TIPS FOR OPERATING THE AUDIO SYSTEM
189
Audio
6
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