manual/include/audio-tab.html

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<p>
This tab contains settings for handling audio.
</p>
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<img src="/images/a4_preferences_audio.png" alt="preferences
audio tab"/>
<ul>
<li>
<p>
<strong>Buffering</strong> settings determine how many seconds of audio
off of disk will be buffered in memory. Longer settings reduce the risk
of buffer under-runs but consume more memory. The default value is
5.0&nbsp;seconds.
</p>
<ul>
<li>
<p>
<strong>Playback</strong> sets how many seconds of audio Ardour will
buffer during playback.
</p>
</li>
<li>
<p>
<strong>Recording</strong> sets how many seconds of audio Ardour will
buffer during recording.
</p>
</li>
</ul>
</li>
<li>
<p>
<strong>Monitoring</strong>
</p>
<ul>
<li>
<p>
<strong>Record monitoring handled by:</strong> determines whether
Ardour provides monitoring of incoming audio or whether
monitoring is provided by hardware. See
<a href="@@monitoring">Monitoring</a> for more information.
</p>
</li>
<li>
<p>
<strong>Tape machine mode</strong> when enabled defaults new audio
tracks to tape machine mode. See
<a href="@@track-types">Track Types</a>
for more information.
</p>
</li>
</ul>
</li>
<li>
<p>
<strong>Conection of tracks and busses</strong>
</p>
<ul>
<li>
<p>
<strong>Auto-connect master/monitor busses</strong>
</p>
</li>
<li>
<p>
<strong>Connect track inputs:</strong>
</p>
</li>
<li>
<p>
<strong>Connect track and bus outputs:</strong>
</p>
</li>
</ul>
</li>
<li>
<p>
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<strong>Denormals</strong> are a specific type of very small numbers that
can cause issues with CPU consumption when using some plugins in some
circumstances.
</p>
<p>
Ardour provides two methods of handling the issue. Try different
combinations of these settings to to find the setting that minimizes CPU
consumption.
</p>
<ul>
<li>
<p>
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<strong>Use DC bias to protect against denormals</strong> adds a small
constant value to numbers to move the numbers away from zero.
</p>
</li>
<li>
<p>
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<strong>Processor handling</strong>, if the computer's hardware
supports it, offers two methods that can be used individually or
combined. Flush to zero and denormals are zero.
</p>
</li>
</ul>
</li>
<li>
<p>
<strong>Plugins</strong>
</p>
<ul>
<li>
<p>
<strong>Silence plugins when the transport is stopped</strong>
</p>
</li>
<li>
<p>
<strong>Make new plugins active</strong> when enabled, will activate
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a plugin when it is added to a track or bus
<a href="@@processor-box">Processor Box</a>.
</p>
</li>
</ul>
</li>
<li>
<p>
<strong>Regions</strong>
</p>
<ul>
<li>
<p>
<strong>Enable automatic analysis of audio</strong>
</p>
</li>
<li>
<p>
<strong>Replicate missing region channels</strong>
</p>
</li>
</ul>
</li>
</ul>