12/17/2023 0 Comments Diy mic isolator boxA cardioid mike cares only a little what acoustic treatment you use off axis. I’ve done similar things, you’ve discovered part of what I learned quite a while ago. I also don’t think the difference is subtle. the mouth, but this seem to work just fine. I have heard you should have a meter to the foam from the sound source, i.e. The room echo without the box in the first clip is not so much now, but will probably be amplified by effects like chorus and reverb plugins. Way less bright and a lot more focused sounding. You can really hear the box deaden the reflections and take off a bunch of the top end. I don’t really think that’s all that subtle. You went a step further, and I think you got better results. Nice! I posted something similar to this, I made a make-shift reflection filter of sorts. I have 2 PVBs and use them literally on every session. The size of the unit is why it performs so well. Then, when you place the mic inside the PVB hinge, it also absorbs room reflections on their way back into the mic. More importantly, when used for VO or vocal tracking, the unit is large enough to absorb much of the voice sound on its way out into the room, preventing the room from resonating as much in the first place. Each panel is 1″ thick and is effective down to about 200Hz. This PVB unit is large enough (2 – 2’x2′ panels hinged together) to really make a clearly audible difference. We ran similar tests for our Portable Vocal Booth, which you can hear for yourself in the videos on the page. Or more accurately, the low frequency limits of its absorption effectiveness. Most likely, the lack of results have to do with the size of the foam panels used, as well as the thickness of the panel. See also my Neophyte’s Guide to Home Voiceover Recording.Īny real VO engineers out there with opinions to share?ġ0 Responses to “Portable voiceover studio - the foam box test” Be sure to experiment with mic placement though. (Is anyone really surprised by this?) Note: big spaces with huge echoes, like gymnasiums, are obviously an exception.
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