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Old April 7th, 2019, 04:53 PM   #1
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A question about Blue Snowball USB mic

Hi everyone! Haven't posted in quite some time...things are rockin' and rollin' pretty well these days. But I've got this darn Blue Snowball mic that I barely used, so I rescued it from "closet purgatory" to use for some narration on a project. When connected to my computer, I noticed a disconcerting echo in the play back. I also noticed it in my headphones. Is there something in the mic causing the latency that may be contributing to the echo? It's a USB 2.0 and plugged into the correct port, so that shouldn't be the issue. I have a fast i7 computer with 16GB of ram and a GPU, so I certainly have enough "horsepower." So what might the issue be?

Thanks in advance!
~TW
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Old April 8th, 2019, 05:56 PM   #2
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Re: A question about Blue Snowball USB mic

A first question is did you have headphones on when you made the recording, and might they have been the source of the echo?

Was it is a highly reverberant venue?
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Old April 9th, 2019, 09:43 AM   #3
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Re: A question about Blue Snowball USB mic

If you are in Win10, open Sound, open microphone device properties, make sure "listen to this device" box is unchecked, it can pick up the sound and feed it back in a loop. Maybe helpful, maybe not....
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Old April 9th, 2019, 06:46 PM   #4
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Re: A question about Blue Snowball USB mic

The latency problems with some USB mics is in the mic. The codec is in the mic and you are stuck with it's level of efficiency no matter what. The analog to digital conversion happens in the mic so it can deliver USB digital audio to the PC. No PC can correct a delayed signal. This is usually a delay issue, not an echo issue, but i'm not sure what you have.

Kind Regards,

Steve
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Old April 23rd, 2019, 11:43 AM   #5
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Re: A question about Blue Snowball USB mic

Latency during recording is one thing. And as others have observed, it is much more likely to be something (hardware and/or software) external to the microphone.

However "echo" during playback has nothing to do with latency.
The first question would be whether you are actually hearing:
1) acoustic echo/reverberation in your recording space,
or
2) some secondary copy of the audio signal that accidentally got recorded along with the primary signal.

The solution to (1) has nothing to do with the computer, and not much to do with the microphone either. It has everything to do with treating your recording space properly to reduce/eliminate near reflections, etc.

The solution to (2) is to examine the settings of the operating system, device drivers, and recording software.
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Old April 27th, 2019, 06:05 AM   #6
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Re: A question about Blue Snowball USB mic

Assuming you're wearing headphones while recording, I can easily imagine that some sound from the headphones is bleeding into the mic. *If* there's enough latency, that might cause something that sounds like echo. But unless the latency is really terrible, I would think the successive "echoes" would be spaced very close together (a few mSec) and would not really sound like distinct echoes.

What is the time between successive "echoes" in your case? Easily measured by duplicating your original setup, then record a few finger snaps just in front of your mouth. That will give you a nice sharp waveform. You can then look at the waveform in your software and measure time between "echoes." That information might help figure out what's going on.
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