Native Instruments TRAKTOR AUDIO 10 Manual page 31

The sample rate defines how many samples are played/recorded per one second of
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sound. A higher sample rate results in higher audio quality; however, 44100 Hz (as used
for recording audio CDs) is a common setting and absolutely sufficient for most tasks. If
your final destination is CD, you should use this setting or a multiple of it (88200 Hz).
For a better understanding: 48000 Hz is used by DAT recorders and for DVD (films) re-
cording. 96000 Hz and higher rates are typical for DVD, HD DVD, and Blu-ray Disc audio
recording. You should be aware that a higher sample rate also causes higher CPU load.
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If you want to use multiple software clients simultaneously with the device, keep in
mind they'll also have to share the same sample rate.
• Process Buffer: Lower the buffer size value for a quicker response time from your com-
puter to audio software and MIDI controller actions.
When converting audio information to digital and vice versa, the audio driver needs to
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store the data in buffer packages (audio buffers), which are then sent to and processed
by the CPU. The higher the buffer size, the longer it takes for a signal to finally arrive
at the output as audio. You might experience this as a delay between the time you hit a
key on your computer or controller and when you actually hear the sound. This delay is
called latency. A rule of thumb: lowering buffer size results in lower latency. However,
there are more factors to latency than buffer size alone (e.g., CPU speed and RAM size).
Start off with a higher buffer size setting and gradually decrease the value until you find
the perfect balance between audio quality and system performance. If you experience
crackling at the audio output, the chosen buffer size is very likely too low for your com-
puter's CPU to handle considering that a lower buffer size causes higher CPU load.
Device Monitor Section
6.3 The Device Monitor section in the
The Device Monitor section displays information about the audio interface's processing status
and your system's output latency. It has two displays:
• Processing State: The processing state monitor provides feedback on the current status of
the device. There are three possible status messages:
•
Idle: interface is connected, but no client delivers audio data.
•
Streaming: driver is working and processing audio data.
•
Panic: driver stopped streaming. Too many USB I/O errors occurred in the interface
communication.
• Latency: Shows the amount of output latency in milliseconds.
Output
30 – TRAKTOR AUDIO 10 – Manual
Audio Settings page of the Control Panel.