Usb recording and playback, Playback, Recording – Allen&Heath GLD-80 User Manual

Page 29

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GLD User Guide

29

AP8561 iss.4

USB Recording and Playback

Play back stereo audio tracks from a USB key and record any pair of GLD sources on to the key.

Playback

- The GLD can play back stereo

WAV or FLAC files at 44.1 or 48kHz.

To assign USB playback to an Input Channel
Patch USB Playback to input channels using the

I/O

/ Surface screen

or the channel

Preamp

screen.

USB playback is assigned to Ch 47/48 in the factory
Template Shows.

To select a track to play back - Plug in a USB key
with the audio files you wish to play back. Set the

OPTIONS

in the pull-up. Scroll through the list and

touch to highlight a track. Information on the track
including file path, size and date is displayed.

To start the playback - Use the transport buttons
to

Play

, Pause, Stop and select Next or Previous

track. A blue arrow in the lower toolbar in all
screens shows a track is playing.

Open the

OPTIONS

pull-up to set playback options:

Play Next Track - Single or continuous playback.

Repeat Current Track - Continuously play a single
track,

Show All Files – List all audio files in all directories
found on the USB key,

Show Playback Files – List audio files found in the
USBPlayback sub directory only.

Show Recorded Files –List audio files found in the
USBRecord sub directory only.

Recording

– Format = WAV files at 48kHz.

Recording time – Maximum recommended
recording time for one track = 3 hours. Memory
required = 188KB/sec. Therefore allow:

 11.5MB per minute
 700MB per hour

To assign a recording source – Use the

IO /

Surface

screen. For example, record the main mix,

a stereo group, aux or matrix, or two independent
mono signals. USB recording is fed from Stereo
Matrix1 in the factory Template Shows.

Check recording level – If you are using a source
other than the Main mix, for example a stereo
Matrix, then check that the send level to the source
and its master fader are turned up. Check that there
is signal displayed on the source meter.

To start the recording - Touch the

Record

button.

This opens the name keypad. The default date/time
name can be overwritten using the keypad. Default
example = 15_Apr_18.23.26.wav

Touch

Apply

to start the recording. The elapsed

time and remaining time available on the USB key is
shown. A red circle in the status bar in all screens
indicates that the GLD is recording to the key.

To stop the recording – Touch the

Record

button

again.

USB Folders

The

AllenHeathGLD / USBRecord

directory is

automatically created on your USB key when you
start a recording.
The

AllenHeathGLD / USBPlayback

directory is

automatically created when you select the Show
Playback Files pull-up option. Or you can create it
manually using your computer and add the files you
wish to play back.

Audio file list shows the tracks available
to play back.

Playback controls and information about
the currently selected track.

Patching information and shortcut to

I/O

screen.

Recording control to start/stop the
recording. Opens the screen keypad to
apply a name before the recording starts.

OPTIONS

pull-up to choose which audio

files to show in the list and select single,
repeat or continuous playback.

Playback/Recording status shown here.
You can touch this while in any screen to
open the

USB Audio

screen.

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