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  • Student499619
    Posts: 1
    Joined: Sep 10th, 2022
    Rx 10 - Repairing audio that was moderately damaged by a shotgun mic being changed from 0dB to 18dB
    Hi. We recently recorded an event using a Canon XA11 with a shotgun mic. The event was both inside and outside. We accidentally bumped the gain on the shotgun mic from 0dB all the way up to 18dB. The outside audio is generally OK, but the inside audio has some distortion at times during dialog-only speeches (especially with one speaker who has a very loud voice); and during several music portions the music was extremely impacted by the shotgun mic being set to 18dB instead of 0dB. I've been working with Izotope Rx 10 Standard to repair the audio. The outside audio and inside dialog-only audio is being repaired moderately well via the Repair Assistant in Rx 10, though it is not removing all issues. And I'm also working to learn some of the manual repair tools in Rx 10. My question is this, hopefully answerable by audio professionals: What would be the best approach to repairing audio that has been impacted by a shotgun mic accidental increase from 0dB to 18dB? Can you explain what effect that accidental dB increase had on the audio, and how one might go about repairing the impacted audio? What specific tools in Izotope Rx 10 Standard or Advanced might be able to specifically help? In addition to De-Clipping, what other tools might help get the audio into a minimally acceptable state (or better)? I'm working with DaVinci Resolve for post-production, and I've been bouncing audio clips over to Izotope Rx 10 and working with the tools there. I profoundly appreciate any guidance or insight from those more knowledgeable than I. If needed, we can upgrade to Rx 10 Advanced if certain tools in Rx 10 Advanced might be able to better assist with the repair process.
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  • Joe A
    Posts: 1834
    Joined: Oct 1st, 2013
    Re: Rx 10 - Repairing audio that was moderately damaged by a shotgun mic being changed from 0dB to 18dB
    Hi - De-clip is definitely the tool for cleaning up distorted/clipped audio. If the distortion is more pronounced in certain parts, you may want to manually apply De-clip. Zoom in on the wave until you can see the clipped tops/bottoms, and set the De-clip threshold to a dB or two below that; always use the highest-quality setting, and make sure the Post-limiter is on [otherwise if the overall level is high the restored waves might exceed maximum level and distort in playback when the audio is eventually rendered].
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