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Comb Filtering Explained: What Does a Comb Filter …

    https://audiouniversityonline.com/comb-filtering-explained/
    Comb filtering occurs when two or more identical audio signals are mixed together with a slight delay between them. The resulting frequency response graph resembles a comb because frequencies that are in phase sum together, while frequencies that are out of phase cancel.

The basics about comb filtering (and how to avoid it) - DPA

    https://www.dpamicrophones.com/mic-university/the-basics-about-comb-filtering-and-how-to-avoid-it
    Comb filtering occurs when a sound adds to itself within a short time interval. This interval typically ranges from less than one ms to approximately 25 ms. Comb filtering can emerge in two ways: Due to reflections Because more than one microphone is open and picking up the same signal at different positions.

Q. What exactly is comb filtering? - Sound on Sound

    https://www.soundonsound.com/sound-advice/q-what-exactly-comb-filtering
    Comb filtering creates peaks and troughs in frequency response, and is caused when signals that are identical but have phase differences — such as may result from multi-miking a drum kit — are summed. An undesirably coloured sound can result. The same effect can be harnessed deliberately to create flanging effects. Len Fairfield, via email

Comb Filters | Physical Audio Signal Processing

    https://www.dsprelated.com/freebooks/pasp/Comb_Filters.html
    Comb filters are basic building blocks for digital audio effects. The acoustic echo simulation in Fig. 2.9 is one instance of a comb filter. This section presents the two basic comb-filter types, feedforward and feedback, and gives a frequency-response analysis. Feedforward Comb Filters The feedforward comb filter is shown in Fig. 2.23.

What is Comb Filtering and how to avoid it - Live Sound

    https://blogs.qsc.com/live-sound/what-is-comb-filtering-and-how-to-avoid-it/
    Comb filtering occurs when certain frequencies are either amplified or attenuated by the superposition of a delayed version of the original audio signal onto itself. In addition, in order for this comb filtering effect to happen, the level of …

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