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User Manual – ALP221e
10 ASIO CONTROL PANEL for Windows
This control panel can be started from the menu <Start>, <Programs>, <Digigram>, <ALP-X ASIO
Settings> or from the shortcut on the desktop:
Active cards group/Asio
channels allocation
This section is used to select the input channels and output channels that
are managed by the ASIO driver and which can therefore be used
by any application based on the ASIO interface.
For every card selected from the "ACTIVE CARDS GROUP" list, click on the
"ASIO CHANNELS ALLOCATION" button and select the channels to
be used under ASIO.
IMPORTANT: if channels are selected from different cards, these cards
must be synchronised via an inter-card connection cable.
A card that is not used under ASIO can be used from a WASAPI or
DirectSound application.
Buffer size (latency)
This section is used to select the size of audio buffers used by the ASIO
driver. This size is given as a number of samples and a
cross-reference in duration is indicated for a sampling frequency
of 48 kHz. The higher the buffer size, the higher the latency.
A small buffer size can lead to breaks in audio throughput on a
low-powered machine or on a machine with a high processor load.
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