4 – Playback
This chapter explains functions for playing back audio files
stored on SD cards and USB flash drives.
This explanation assumes that you have already loaded an SD
card or USB flash drive that contains audio files into the unit, that
the unit is on, and that the current medium is set appropriately.
(see “Selecting media” on page 28)
Files that can be played back
This unit can play back files in the following formats.
0MP3: 44.1/48kHz, 64/128/192/256/320kbps
0WAV/BWF: 44.1/48/96kHz, 16/24-bit
MP3 files that use VBR compression
Due to file format limitations, accurate location detection is
not possible in VBR files. For this reason, when using func-
tions that require points to be set in the middle of a track,
including time skipping, call and A-B repeat playback (A point
setting), slight differences might occur between the set point
and the point where playback begins.
Files of the above formats can be played back by this unit
even if it was not used to record them. For example, you can
use a computer or another audio device to write files that
meet the above specifications to an SD card or USB flash
drive, and then play those files on this unit. This allows you to
efficiently prepare materials for playback on this unit.
Tracks and files
Audio data are recorded as “audio files” on media.
When the CHANNEL item on the STEREO/MONO screen is set to
STEREO, stereo files will be handled as single tracks. When set to
MONO (MIX), mono files will be handled as single tracks. When
set to MONO (2ch), pairs of mono files will be handled as single
tracks.(see “Setting the recording file format” on page 57)
For this reason, when explaining playback and recording in this
document, we call audio files “tracks” (and sometimes “songs”).
When explaining media management and related topics, we call
them “files”. Please understand that they are the same thing.
Playback area
The range of tracks that can be selected for playback on the
Home Screen is called the “playback area”.
Limiting the playback area makes selection of playback tracks
easier when you have numerous recorded files on the SD card or
USB flash drive.
Setting the playback area
Use the PLAY AREA item on the PLAY 1 page to set the playback
1. Select the PLAY AREA item on the PLAY 1 page to open
the PLAY AREA screen.(see “Menu operation procedures” on
page 22)
2. Set the desired playback area.
Option Meaning
(default) Play all the files on the medium.
FOLDER Play all the files in the folder that contains the
currently selected file.
Play all the files that have been assigned to the
If there is no playlist defined, a No PLAYLIST
pop-up appears.
3. Confirm the setting and return to the Menu Screen.
The current playback area setting appears at the lower right
of the Home Screen.
Playback area
Selecting the current folder or current playlist
When the playback area is set to FOLDER or PLAYLIST, the Home
Screen is open and the unit is stopped, you can use the m [A-
B] and , [INPUT] buttons on the unit to select a folder or
playlist as the playback area.
This folder or playlist is called the “current folder” or “current
i You can also select the current folder or current playlist on
the BROWSE screen.(see “5 – Working with Folders and Files
(BROWSE screen)” on page 40)
i Up to 999 tracks can be played back by this unit if the formats
of the audio files are MP3 or WAV.
If a medium with more than 999 tracks is loaded in this unit,
999 tracks selected according to the unit's system rules can
be played. Any other tracks will not be playable or editable.
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