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sarar66272626
Participant
September 6, 2017
Answered

Can I fix audio recorded from a DSLR camera?!

  • September 6, 2017
  • 2 replies
  • 1692 views

​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!

This topic has been closed for replies.
Correct answer ryclark

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.

2 replies

johnbb99
johnbb99
Known Participant
October 28, 2021

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

ryclark
ryclarkCorrect answer
Participating Frequently
September 6, 2017

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.

SteveG_AudioMasters_
Community Expert
SteveG_AudioMasters_Community Expert
Community Expert
September 6, 2017

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

Bob Howes
Bob Howes
Inspiring
September 7, 2017

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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