Can I fix audio recorded from a DSLR camera?!

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How, if there is a way, can I fix an echo-y room audio recording?! I recorded video off of a DSLR camera and the audio was recorded separately, but I have somehow lost the audio so I am trying to salvage the video recordings by using the audio recorded from the back of the camera. Is there ANY WAY to fix this?! Thank you!

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ryclarkCorrect answer

Participating Frequently

Very unlikely I'm afraid. Getting rid of reverberating room acoustic is virtually impossible. There are some apps that purport to be able to 'De-Reverb' but they don't work very well on speech and are rather expensive.

johnbb99

Known Participant

In case it's useful to someone else with this problem, I find it can help to take out bass frequencies, and boost presence ones [say around 3kHz]. You can't [as stated] remove the loose acoustic but you can make the [speech] audio more intelligable.
HTH

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ryclarkCorrect answer

Participating Frequently

Very unlikely I'm afraid. Getting rid of reverberating room acoustic is virtually impossible. There are some apps that purport to be able to 'De-Reverb' but they don't work very well on speech and are rather expensive.

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SteveG_AudioMasters_

Community Expert

In my experience, De-reverb tends to make things worse, not better...

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Bob Howes

Inspiring

Agreed. Every deverb programme I've heard does little to help the room echo but also adds a ton of nasty artifacts.

I'm afraid the only solution to this is to not use the on-board camera mics for anything other than general atmosphere. Any time you record a voice, you need a separate mic as close to the speaker as possible. Thats why you see so many lavalier mics or sound recordists with a fishpole on professional stuff.

Sorry.

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