Is there a way to increase sound levels in iPhone recorded videos natively?

Wekiva

Senior member
Feb 13, 2001
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I shoot video on multiple devices for personal use. I use my iPhone 6, a Canon S95 point/shoot and a Sony CX-550. I then put all these files on my computer and we watch them from a home theater PC on my TV. I sort the videos by date and we watch them chronologically. This results in videos from multiple devices being played next to each other. You can tell a difference between the video and audio quality of the devices but we're used to it. In the past the audio levels between the three were all reasonably close to each other. But I've noticed that several months ago the iPhone 7 recorded video has a much lower sound level than the other two. This results in us having to raise the volume each time one of the iPhone 7 videos is played...and then lowering it when another device's video clip is played. I'm not sure what has changed since I started noticing this. I'm not sure if it's an iPhone update or something else. I've checked my phone settings and don't see any setting that would reduce the sound levels recorded. Any ideas?

I have found multiple ways to do this in post production...but I'm not looking for that much work. And this used to work fine straight from the devices. I did check to see if something was stuck in the microphone hole but it looks clear.