Tools like Soothe2 or standard notch EQs can target and remove a surgical spike like a 15.7 kHz whine without affecting the rest of the audio.

In audio production, "low-frequency" usually refers to the 20–200 Hz range. However, the specific value is highly significant in technical circles for the following reasons:

Often used for true low-end rumble (20 Hz to 1 kHz).

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