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Home/ Questions/Q 8100867
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Editorial Team
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Editorial Team
Asked: June 5, 20262026-06-05T22:51:09+00:00 2026-06-05T22:51:09+00:00

Sorry for my poor math/music knowledge.. Assumed whe want to play a video file

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Sorry for my poor math/music knowledge..
Assumed whe want to play a video file at 50% and at 75 % speed how much cent do I have to shift in both situation to keep the same pitch and what would be the formula?

Thanks in advance!!

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  1. Editorial Team
    Editorial Team
    2026-06-05T22:51:10+00:00Added an answer on June 5, 2026 at 10:51 pm

    reducing the frequency by 50% means the sound is one octave lower

    one octave is 12 halve-tones

    1 halve tone is 100 cents

    so if you play it at 50% you need to pitch it up by 1200 cent

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