application to this same sample rate or else the application will display an error
message.
NOTE: When S/PDIF In is the master clock source, the digital
monitor mixer will run at the sample rate received at the S/PDIF In.
Since frequency response and sample rate are directly related, the
mixer frequency response will be directly related to the sample rate
of the S/PDIF input data.
WORD CLOCK SAMPLE RATE: When using Word Clock In as your master
clock, this section tells the driver what the expected word clock input sample rate
is. The section is only displayed when the board is set to use Word Clock In as
the master clock source. From the list, select the sample rate closest to that of
the incoming word clock. The sample rate selected here will be the only sample
rate available to the software applications. Therefore, you must set your audio
software application to this same sample rate or else the application will display
an error message.
NOTE: When Word Clock is the master clock source, the digital
monitor mixer will run at the sample rate received at the Word
Clock in. Since frequency response and sample rate are directly
related, the mixer frequency response will be directly related to the
sample rate of the S/PDIF input data.
MULTITRACK DRIVER DEVICES: The Delta 1010 drivers intelligently
synchronize the beginning of recording and playback across all audio devices on
the board. When using application software that is capable of using multiple
channels simultaneously, select "Single and In-Sync" to ensure that all audio
channels will begin playback and/or recording at the same time. Otherwise
select "Independent" to allow the audio channels to play independently – this
setting may be desirable if more than one application needs to access the Delta
1010 simultaneously.
DMA BUFFER SIZES: This section specifies the amount of system memory
dedicated to digital audio buffering. Setting a buffer size that is too small may
result in clicks or pops in the audio stream as some data may be lost. Larger
buffers cause slightly more latency but prevent the pops and clicks that might
occur with smaller buffer sizes – the default settings are recommended but you
may desire to tweak these default settings to suit your tastes. This buffer size
must be set in the Delta Control Panel before you launch your music software.
When using ASIO with the Delta 1010, set the buffer size in the control panel,
then exit the control panel. After doing so, launch your music software.
ON THE MAC: The Hardware Settings Page in the Macintosh version of the
Delta Control Panel also contains software switches that allow you to select
which Delta input and output stereo pair will be used by the Sound Manager, if
and when you choose the Delta as the Sound Manager input and output device.
24
Summary of Contents for Delta 1010
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