X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=include%2Foverview-of-all-timecode-related-settings.html;h=c4f4c9df9c8916a9dc633965f9feee49803df803;hb=0fec8c5f7c5fc1fac85b40d025d230b26435579b;hp=b0994c01364ce38a57c48ece8c708b67adec4c6a;hpb=dfec6899ef2a121ccf2ff1d47008e7ac4844cf70;p=ardour-manual diff --git a/include/overview-of-all-timecode-related-settings.html b/include/overview-of-all-timecode-related-settings.html index b0994c0..c4f4c9d 100644 --- a/include/overview-of-all-timecode-related-settings.html +++ b/include/overview-of-all-timecode-related-settings.html @@ -13,14 +13,14 @@
Timecode frames-per-second
- 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 + 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).
Pull up/down
- Video pull-up modes change the effective samplerate of Ardour to - allow for changing a film soundtrack from one frame rate to another. + Video pull-up modes change the effective samplerate of Ardour to + allow for changing a film soundtrack from one frame rate to another. See Telecine
Slave Timecode offset
@@ -48,29 +48,29 @@
Match session video frame rate to external timecode
- This option controls the value of the video frame rate while - chasing 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 + This option controls the value of the video frame rate while + chasing 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.
External timecode is sync locked
- Indicates that the selected external timecode source shares sync (Black + Indicates that the selected external timecode source shares sync (Black & Burst, Wordclock, etc) with the audio interface.
Lock to 29.9700 fps instead of 30000/1001
- 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 + 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.
LTC incoming port
@@ -81,13 +81,13 @@
Does just what it says.
Send LTC while stopped
- Enable to continue to send LTC information even when the transport - (playhead) is not moving. This mode is intended to drive analog tape + 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.
LTC generator level
- Specify the Peak Volume of the generated LTC signal in dbFS. A good value + 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).