Hopefully this question is in the most suitable section of the forum this time around?
I have a number of raspis (2 and 3's) plus a camera module and came up with the idea of making a sort of camcorder. Since the raspi does not support audio input I would have to add one of the supported USB soundcards for audio capture. The resulting sound/video would then be recorded to the SD card.
Looking at similar projects on the Internet I note that recording both sound and video at the same time is possible on the raspi but problematic. My understanding is that it will only work for short video clips of a few seconds due to a design issue with the raspi camera not being able to support precise 25 Hz frame rates? The problem is described here...
http://raspberrypi.stackexchange.com/qu ... crophoneph
If I understand correctly the video-and-sound will go further out-of-sync as the recording time gets longer. Does anyone know if its possible to work around this issue in some way so that recordings of 30 mins or longer at 25 or 30 FPS would be possible without loss of sync between the sound and video?