Export slow and stalling out please help

Kellylc

I don't really understand why the .mp4 format doesn't manage audio, I thought that it handled both but clearly it doesn't always.

My approach to this project reflects a lack of confidence in vp's ability to actually combine elements of audio and visual and me trying to work around doing it all at the same time and breaking it into what I hope are more manageable bite sized steps to reach the final intended outcome.

Step one, I try to bring together the separate audio elements and get them into one edited file.

Step two I try to create the visuals and edit that together into one file.

Step three I take the audio file and the video file and combine them.

Step four I add background music to the combined file.

...so I end up exporting 4 times and creating three component files before the final 4th one.

If I really had confidence in the program I would simply create all the tracks and do one export all at the same time. But it's failed on me so many times I don't dare any more and I have fallen back on this step by step approach to try to get the outcome I want. Sometimes it's been the only way I have managed to get the outcome after multiple attempts and multiple failures.

I am used to having to try over and over to get it to work. I don't like it but it's all I know how to do at this point.

Because of the problems with this project I have decided for now to not use the longer affirmations 15ab track at all and just use the other two voice tracks and that keeps it to about 14 minutes long.

I did manage this morning to create a visual track with multiple transitions which surprisingly exported including the shorter 9 minute voice track. I have learned that transitions are treacherous and really slow down and sometimes fail but this time the transitions are just simple fades. Now that I have that video file with the image fades I can reuse it without having to make all the transitions because it's already in the video as one piece not a bunch of separate images.

My thinking is that now I can use that video file in the image track and then add the master attractor audio at the end with a duplicate of the first video and then see if I an get one file with both voice segments combined with the visuals.

Then if that works I will see if I can add the music background.

Again I would prefer to just do this all at the same time using the tracks and only do one export. Perhaps I will risk an attempt at that next and see if I can just eliminate all this step work.

I wish I understood what is actually making the export hang up at 99.5%

I have found that this issue of hanging at 99.5% is something that has been encountered by others on this forum at least a year ago I found a thread here where someone was having the same issue. There is something that causes this that has not been fully explained or perhaps is not fully known? I don't know. But something in how this exports has a glitch at that point and I do not definitively know why it occurs and how to prevent it.

I can change file formats and get quicker exports but why doesn't the program accommodate all of the different formats to begin with? Why are we having to dance around the file formats to do an export and have it output ? Shouldn't it export all the formats into the format you tell it you want to create?

If you use whatever format in a track and then export to .mp4 shouldn't it just work?

Why 99.5%? what is the exporter doing at that point that it's so format sensitive and glitchy?

borate

VP handles Mp4 seamlessly in most cases. Your initial project, linked above, loads the Mp4 files with no video. Yes, you have a slide on the video track, but the video from the Mp4 files has somehow been removed. VP likely sees the missing AVC video as an open-ended track, and thus won't complete the export.

Method 1. If those Mp4 files are instead loaded into a new VP instance, UNlinked from audio, then video is deleted and a slide placed on the video track, export quickly completes.

Method 2. An alternative would be to prepare the audio in Wavepad, save as Mp3 and import to VP. Lock the audio track (lock icon at the left), then add/edit video.

If you plan to use images from the three Mp4 files after isolating the audio track via one of those methods, first lock the audio track so it won't be disturbed.

Then position the scrubber (red line) and right-click the file in the bin. OVERLAY AT CURSOR. Do this for each A/V clip that you import. Note that this will place the clip on the 2nd video and audio tracks. Simply mute the audio track (speaker icon at left). Now edit the video. In this case video track one can be deleted, but it's not necessary.

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