Thanks Hank and Mark for t

#175377
AvatarTEd
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Thanks Hank and Mark for the suggestions.

I made a short 12 min movie last night as a trial, but ran out of time before I had a chance to load it on the computer and put the video and wave files side by side. I used a stop watch, and clapped my hands at various time intervals. I should be able to see which component is different.

Mark – I think you may be on to something with the recording format. I used the MP3 format on the H4 Digital recorder. Today before work, I loaded the mp3 file into an audio program, and saved it as a wav file. This file matched the video much more closely, althouth not perfectly. I have a feeling that if I had used the wav format on the original recording, it would have worked better. I will do another test and let you know. I hope to have some time this weekend.

I hadn’t thought about the reduction in video quality by changing slowing it down or speeding it up slightly, but it makes sense. I do have some software that will let me do it with the audio – so that may work better. I suspect that with the very minimal change (2-3 seconds over 30 minutes – 0.2%) it should not change the pitch noticably – particularly when there is no music in this particular project. The idea of chopping out little bits of audio is also interesting. I’ll give it a try and let you know how I make out.

Thanks again.

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