</ul>
<h2>Timecode Settings</h2>
-<dl>
- <dt><kbd class="menu">Timecode frames-per-second</kbd></dt>
- <dd>
- Configure timecode frames-per-second (23.976, 24, 24.975, 25, 29.97,
- 29.97 drop, 30, 30 drop, 59.94, 60). Note that all fractional
+<table class="dl">
+ <tr><th><kbd class="menu">Timecode frames-per-second</kbd></th>
+ <td>
+ Configure timecode frames-per-second (23.976, 24, 24.975, 25, 29.97,
+ 29.97 drop, 30, 30 drop, 59.94, 60). Note that all fractional
framerates are actually fps*(1000.0/1001.0).
- </dd>
- <dt><kbd class="menu">Pull up/down</kbd></dt>
- <dd>
- Video pull-up modes change the effective samplerate of Ardour to
- allow for changing a film soundtrack from one frame rate to another.
+ </td></tr>
+ <tr><th><kbd class="menu">Pull up/down</kbd></th>
+ <td>
+ Video pull-up modes change the effective samplerate of Ardour to
+ allow for changing a film soundtrack from one frame rate to another.
See <a href="http://en.wikipedia.org/wiki/Telecine">Telecine</a>
- </dd>
- <dt><kbd class="menu">Slave Timecode offset</kbd></dt>
- <dd>
+ </td></tr>
+ <tr><th><kbd class="menu">Slave Timecode offset</kbd></th>
+ <td>
The specified offset is added to the received timecode (MTC or
LTC).
- </dd>
- <dt><kbd class="menu">Timecode Generator offset</kbd></dt>
- <dd>
+ </td></tr>
+ <tr><th><kbd class="menu">Timecode Generator offset</kbd></th>
+ <td>
Specify an offset which is added to the generated timecode (so far only LTC).
- </dd>
- <dt><kbd class="option">JACK Time Master</kbd></dt>
- <dd>
+ </td></tr>
+ <tr><th><kbd class="option">JACK Time Master</kbd></th>
+ <td>
Provide Bar|Beat|Tick and other information to JACK.
- </dd>
-</dl>
-<p>These settings are session specific.</p>
+ </td></tr>
+</table>
+<p>These settings are session specific.</p>
<h2>Transport Preferences</h2>
-<dl>
- <dt><kbd class="menu">External timecode source</kbd></dt>
- <dd>
+
+<table class="dl">
+ <tr><th><kbd class="menu">External timecode source</kbd></th>
+ <td>
Select timecode source: JACK, LTC, MTC, MIDI Clock
- </dd>
- <dt><kbd class="option">Match session video frame rate to external timecode</kbd></dt>
- <dd>
- This option controls the value of the video frame rate <em>while
- chasing</em> an external timecode source. When enabled, the
- session video frame rate will be changed to match that of the selected
- external timecode source. When disabled, the session video frame rate
- will not be changed to match that of the selected external timecode
- source. Instead the frame rate indication in the main clock will flash
- red and Ardour will convert between the external timecode standard and
+ </td></tr>
+ <tr><th><kbd class="option">Match session video frame rate to external timecode</kbd></th>
+ <td>
+ This option controls the value of the video frame rate <em>while
+ chasing</em> an external timecode source. When enabled, the
+ session video frame rate will be changed to match that of the selected
+ external timecode source. When disabled, the session video frame rate
+ will not be changed to match that of the selected external timecode
+ source. Instead the frame rate indication in the main clock will flash
+ red and Ardour will convert between the external timecode standard and
the session standard.
- </dd>
- <dt><kbd class="option">External timecode is sync locked</kbd></dt>
- <dd>
- Indicates that the selected external timecode source shares sync (Black
+ </td></tr>
+ <tr><th><kbd class="option">External timecode is sync locked</kbd></th>
+ <td>
+ Indicates that the selected external timecode source shares sync (Black
& Burst, Wordclock, etc) with the audio interface.
- </dd>
- <dt><kbd class="option">Lock to 29.9700 fps instead of 30000/1001</kbd></dt>
- <dd>
- The external timecode source is assumed to use 29.97 fps instead of
- 30000/1001. SMPTE 12M-1999 specifies 29.97df as 30000/1001. The spec
- further mentions that drop-frame timecode has an accumulated error of -86ms
- over a 24-hour period. Drop-frame timecode would compensate exactly for a
- NTSC color frame rate of 30 * 0.9990 (ie 29.970000). That is not the actual
- rate. However, some vendors use that rate—despite it being against
- the specs—because the variant of using exactly 29.97 fps has zero
+ </td></tr>
+ <tr><th><kbd class="option">Lock to 29.9700 fps instead of 30000/1001</kbd></th>
+ <td>
+ The external timecode source is assumed to use 29.97 fps instead of
+ 30000/1001. SMPTE 12M-1999 specifies 29.97df as 30000/1001. The spec
+ further mentions that drop-frame timecode has an accumulated error of -86ms
+ over a 24-hour period. Drop-frame timecode would compensate exactly for a
+ NTSC color frame rate of 30 * 0.9990 (ie 29.970000). That is not the actual
+ rate. However, some vendors use that rate—despite it being against
+ the specs—because the variant of using exactly 29.97 fps has zero
timecode drift.
- </dd>
- <dt><kbd class="menu">LTC incoming port</kbd></dt>
- <dd>
+ </td></tr>
+ <tr><th><kbd class="menu">LTC incoming port</kbd></th>
+ <td>
Offers a session agnostic way to retain the LTC port connection.
- </dd>
- <dt><kbd class="option">Enable LTC generator</kbd></dt>
- <dd>Does just what it says.</dd>
- <dt><kbd class="option">Send LTC while stopped</kbd></dt>
- <dd>
- Enable to continue to send LTC information even when the transport
- (playhead) is not moving. This mode is intended to drive analog tape
+ </td></tr>
+ <tr><th><kbd class="option">Enable LTC generator</kbd></th>
+ <td>Does just what it says.</td></tr>
+ <tr><th><kbd class="option">Send LTC while stopped</kbd></th>
+ <td>
+ Enable to continue to send LTC information even when the transport
+ (playhead) is not moving. This mode is intended to drive analog tape
machines which unspool the tape if no LTC timecode is received.
- </dd>
- <dt><kbd class="menu">LTC generator level</kbd></dt>
- <dd>
- Specify the Peak Volume of the generated LTC signal in dbFS. A good value
+ </td></tr>
+ <tr><th><kbd class="menu">LTC generator level</kbd></th>
+ <td>
+ Specify the Peak Volume of the generated LTC signal in dbFS. A good value
is 0 dBu (which is -18 dbFS in an EBU calibrated system).
- </dd>
-</dl>
-<p>These settings are common to all sessions.</p>
+ </td></tr>
+</table>
+<p>
+ These settings are common to all sessions.
+</p>
<h2>MIDI Preferences</h2>
-<dl>
- <dt><kbd class="option">Send MIDI Timecode</kbd></dt><dd>Enable MTC generator</dd>
- <dt><kbd class="option">Send MIDI Clock</kbd></dt><dd>Enable MIDI Clock generator</dd>
-</dl>
-<p>These settings are also common to all sessions.</p>
+
+<table class="dl">
+ <tr><th><kbd class="option">Send MIDI Timecode</kbd></th><td>Enable MTC generator</td></tr>
+ <tr><th><kbd class="option">Send MIDI Clock</kbd></th><td>Enable MIDI Clock generator</td></tr>
+</table>
+
+<p>
+ These settings are also common to all sessions.
+</p>
projects / ardour-manual / blobdiff