55 lines
1.8 KiB
HTML
55 lines
1.8 KiB
HTML
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---
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title: Status Bar
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---
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<img src="/images/status-bar.png" alt="The status bar">
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<p>The status bar is an informative bar at the top of the window, showing:</p>
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<ul>
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<li><dfn>File:</dfn> the file format used in the session, including when recording</li>
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<li><dfn>TC:</dfn> is the timecode, i.e. the number of frames per second used by the session (for videos)</li>
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<li><dfn>Audio:</dfn> gives the sample rate used in the session, and the latency computed from the buffer size</li>
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<li><dfn>Buffers:</dfn> decribe how much data is buffered, see below</li>
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<li><dfn>DSP:</dfn> for Digital Sound Processing, shows how much of the CPU is used by Ardour and its plugins</li>
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<li><dfn>X:</dfn> shows the number of xruns since Ardour's launch, see below</li>
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<li><dfn>Disk:</dfn> reports the remaining hard disk space as the time that can be recorded with the current session setting</li>
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<li><dfn>a Clock</dfn> showing the system time</li>
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<li><dfn>a Log button</dfn> that indicates if Ardour has encountered any warning or error.</li>
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</ul>
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<p>The buffers are labelled as <kbd class="menu">p</kbd> for playback and <kbd class="menu">c</kbd> for capture. If the
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system is fast enough, these buffers should be 100% full at all times, showing the system has time to precompute
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all the data before delivering it to the audio system. A buffer constantly under 20% is a sign of an underpowered
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computer system or of too much processing.</p>
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<p>An Xrun (short for buffer over- or under-run) happens when the system has been forced to skip audio frames, e.g. if the latency
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asked is too short for the computing power of the machine. It usually results in clicks, pops and crackles if it happens while recording.</p>
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<p>The log button turns yellow when a warning is shows, and red when an error occurs. Clicking the log button gives acces to the log.</p>
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