I have a couple of films recorded from FreeView in the UK. The audio tracks are in AAC LC format. I can play both in VLC and hear the audio tracks, although in one of them I have to select different audio (e.g. Audio Described or simply disable) first and then back to the main track. But the full and correct audio is there.
If however, I open these in avidemux the audio is ok up until the channel (BBC) ident and then it becomes garbled. I can only assume that avidemux has problems with the AAC LC audio. Can anyone shed any light on why it might have trouble like this and any possible cure?