сб, 30 июл. 2022 г., 18:40 Andrea paz <[email protected]>:
You meant LTC audio timecode reading?
Yes, LTC timecode, CinGG scans various types of timecode (all LTC) and adopts what it finds in the edits.
So far I saw this email on ffmpeg list --- Idea: could a filter be developed in FFMPEG, based on example files we can provide, to identify the presence of an LTC-derived audio stream, and additionally identify which of the streams is the LTC stream. --- http://ffmpeg.org/pipermail/ffmpeg-devel/2022-July/298993.html In pro filming environments, various cameras and audio recorders are
capable of creating a synchronized timecode (jam-sync timecode), optionally also using external devices (Timecode Sync Generator). At this point in CinGG it is easy to do the alignment, just bring the edits to the timeline and use the "Align Timecodes" feature. https://cinelerra-gg.org/download/CinelerraGG_Manual/Align_Timecodes.html As I mentioned, in pro environments this step must take place in the pre-editing (Resources Window) and not on the timeline and must also provide replacement of the low-quality embedded audio track with the high-quality external one.
Well, but this mean audio scanning and trimming happen automatically? On timeline you can manually align audio and video ..or at least see if alignment worked as intended via waveform. How it done in other editors? So far I can only imagine checkbox and flag in asset info/resources window preventing importing audio from specified asset... But I must admit Cinelerra probably was not meant to be used exactly this way (or may be embedding mini timeline/waveform in info window quite too much work.) I saw waveform editor as tab in viewer (in Final Cut Pro) , may be it can be implemented this way?