Downsampling Help Needed: Aliasing Prevention

Discussion in 'Working with Sound' started by tommyzai, Feb 12, 2025 at 8:10 PM.

  1. tommyzai

    tommyzai Platinum Record

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    I am trying to convert from 192kHz to 96kHz or possibly 48kHz, but don't want discarded higher frequencies to alias.

    *Any recommendations?
    *Would you recommend using a low-pass filter to remove the unwanted high stuff prior to downsampling?
    *If so, at what frequency should I start removing with the filter?
     
    tommyzai, Feb 12, 2025 at 8:10 PM
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  2. Ads Master

    Ads Master

     
  3. Lieglein

    Lieglein Audiosexual

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    A proper samplerate converter.
    Can be found here: https://src.infinitewave.ca/

    Yes.

    So that it effectively removes everything above the nyquist frequency but not what is in the audible range of human hearing ~22kHz.
     
    Lieglein, Feb 12, 2025 at 8:51 PM
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  4. tommyzai

    tommyzai Platinum Record

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    I have some users claiming that many of the editors and DAWs have a built-in low pass for the conversion, but . . .
     
    tommyzai, Feb 13, 2025 at 3:28 AM
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