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V
Vadims Zhuks
Participant
October 14, 2019
Question

Extremely loud background noise

  • October 14, 2019
  • 1 reply
  • 256 views

Hi, guys! Not an expert in audio editing, just want to know if it is even possible to clean such a file (attached) to more or less listenable condition?

    This topic has been closed for replies.

    1 reply

    M
    MartijnBDNL
    Participant
    October 14, 2019

    Hi Vadik,

    I've downloaded and auditioned the file.

    It's very hard to extract speech from this file.

    Both channels only contain audio upto 1000 Hz and only the left channel contains speech. The right channels only contains noise.

    Extracting only the left channel, only the lower part of the male voice is audible but severely mixed with broadband noise ( 0 Hz - 1000 Hz )

    V
    Vadims ZhuksAuthor
    Participant
    October 15, 2019
    Is it done by applying some custom noise reduction filter? Fast googling didn't help (
    M
    MartijnBDNL
    Participant
    October 15, 2019

    I first converted the file from a stereo to a mono file ( Shift + T ) setting the left channel to 100% and right channel to 0%. Then I used the FFT filter ( Effects -> Filter and EQ -> FFT filter ) to remove all below 150 Hz and above 1K. Finally I used adaptive noise reduction ( Effects -> Noise Reduction / Restoration -> Adaptive Noise Reduction ) to further separate the noise from the tonal content. Cheers

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