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KpireQ25
Participant
January 21, 2019
Answered

USB mic voice record problem

  • January 21, 2019
  • 1 reply
  • 678 views

Hi All. I bought a new USB microphone, but I have problem with voice recording. My voice after record looks distorted/ like with hard limiter on voice. I'm tried to use ASIO, change mic config, uninstall and install mic drivers and still nothing. On another USB mic everything is okay.. So, Is it a bug of my new microphone? Is there any possibility to fix it?

Screens:

Record number. 1

https://i.imgur.com/AWG7Xbk.png

Record number. 2 (I change mic gain here)

https://i.imgur.com/axaa0IM.png

Record number. 3 on another USB mic

https://i.imgur.com/IBPy159.png

Thanks for any help.

This topic has been closed for replies.
Correct answer SteveG_AudioMasters_

This looks like a gain staging issue. You need to turn the 'gain' knob on the microphone down, and the level on whatever controls the level (if it's Windows, the Windows Mixer) up. At the moment the microphone preamp, which is regulated by the gain control on the mic, is being overloaded so a distorted signal is being sent to the computer's USB port - where it is being under-recorded.

1 reply

SteveG_AudioMasters_
Community Expert
Community Expert
January 21, 2019

Without actually hearing the samples, we can't tell, although the third sample doesn't look clipped. What is the original microphone?

KpireQ25
KpireQ25Author
Participant
January 21, 2019

The mic is; Novox NCX

Here is the specs:

Frequency range: 20 Hz - 20 kHz

Sample rate: 44.1-192 Khz

Bit rate: 16/24 bit

Max SPl: 120 Db

Sensitivity: 5.6 mV ( 1 V/ Pa – 1 kHz )

Output impedance: 32 Ohm

My session settings in AA:

Sample rate: 48000 Hz

Bit rate: 24 bit

SteveG_AudioMasters_
Community Expert
SteveG_AudioMasters_Community ExpertCorrect answer
Community Expert
January 21, 2019

This looks like a gain staging issue. You need to turn the 'gain' knob on the microphone down, and the level on whatever controls the level (if it's Windows, the Windows Mixer) up. At the moment the microphone preamp, which is regulated by the gain control on the mic, is being overloaded so a distorted signal is being sent to the computer's USB port - where it is being under-recorded.