ALLEN & HEATH XONE:DB2 User's Guide download pdf (Page 18)

Allen & Heath XONE:DB2 User Guide 18

AP8640_2

BPM ENGINE

Unlike a DAW (digital audio workstation) the DB2 doesn’t have the complete song file to analyse, it has

to do it real time by “listening” to the audio playing through the main mix.

To improve the speed and accuracy of tempo analyses the beat detection engine can be guided to look

for a tempo within a given range. This is selected in the setup menu, under “BPM RANGE”.

The range options are shown below; choose one that nearest matches the style of music you normally

play. If you tend to play songs with a wide variety of different tempos, set the detection system to 60 to

240, but be prepared for the occasional misreading, usually a direct harmonic of the real tempo, espe-

cially where there is syncopation.

EXTERNAL MIDI CLOCK

If your playback source is a DAW running

through the built-in USB2.0 multi-channel

soundcard, you can use MIDI clock as the timing

source for the DB2, this will override normal

BPM detection and affects all channels. If you

select this mode make sure that your DAW

supports sending MIDI clocks, and that this

feature is enabled.

TEMPO RESET

The BPM detection system can be forced into a reset by holding down the FX TIME encoder until

the tempo display changes to “- - - .-”. The BPM is automatically reset when a new audio source is

selected, or the range changed in the menu.

TEMPO LOCK

Current Tempo can be locked at any time by pressing and holding the FX TIME encoder until the

padlock symbol comes up in the display. When a tempo is locked it will not change when switching

to an alternative audio source.

MIDI SETUP

From Version 2 firmware, the Xone:DB2 has the

ability to generate internal MIDI clocks which can

be used to control the tempo of a connected

DAW via USB.

To activate internal MIDI clocks, go to the

advanced MENU folder and scroll down the list

to MIDI SETUP - press the encoder to enter the

MIDI SETUP menu.

Clock BPM: The current clock tempo is displayed in BPM to the nearest decimal point. To change the

tempo, select the item and press the encoder once and rotate.

Enable: To activate MIDI clock, scroll to Enable and press the encoder to turn On.

If the BPM RANGE is set to “MIDI Clock” and the Internal MIDI clock enabled, global tempo for the

effects and loopers is set by the internal MIDI clock.

Channel: The DB2 defaults to MIDI channel 16, to change this scroll to Channel, press encoder and

rotate, then press again to store the new value.

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ALLEN & HEATH XONE:DB2 User's Guide Page 18

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