Weird echo "vroom" sound - what is causing this?

Question

I was wondering if some brilliant person out there could assist me with figuring out why my recording is so spectacularly crappy. 😞 I do voice over using Adobe Audition CS6 with a Neumann TLM 103, but lately I keep hearing this weird echo sound toward the end of sentences. It doesn't always happen, but it's enough that I feel like it continually ruins the recording.

I've attached a sample here. Don't mind the plosives and horrible ssss's. At the end of the word "morning" and the word "America," you can here the weird echo "vroom" sound. I don't even know how to describe it, but it is driving me absolutely nuts. You can actually hear it throughout the recording, but it is especially bad at the end of sentences. Does anyone know what this is and how I could fix it?

I don't have the best studio set up, but I'm surrounding myself with professional studio foam. My walls are concrete though, and the floor is tile. Could that be the problem? I've done voice over for over five years in places with sheetrock walls and carpets, and never had this issue.

I would be so appreciative of any suggestions.

Help.zip

SteveG_AudioMasters_ · Answer

Could be the space, but have you done any processing at all to the voice? Whatever it is sounds as though it's had low-level expansion done to it, because it stops quite abruptly. If that really is a raw recording, it sounds like a slapback from a relatively close surface, and the obvious one is the floor, from your description. If this is the case, then it's hard to recommend what sensible treatment would be (other than the obvious one of putting a carpet on the floor) without more details of the room itself. Studio foam doesn't generally work the way people think, incidentally - especially if it's stuck directly onto a wall...

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