Low-frequency-15.7z -

If you are dealing with a recording containing this or other unwanted frequencies, engineers typically use:

This specific spike has been famously identified in major soundtracks, including Hans Zimmer's Interstellar . It is often debated in forums like Reddit's Audio Engineering community because many modern listeners using spectrum analyzers notice the spike, even if they can no longer hear that high a frequency due to age. Managing Similar Audio Issues low-frequency-15.7z

15.734 kHz is the horizontal scan rate of legacy NTSC analog video displays (CRT monitors). In recording environments like those used for film scores, if a CRT screen was used—for example, to communicate with a musician or display a score—it could create a high-pitched "whine" captured by sensitive microphones. If you are dealing with a recording containing