normalization

lesson

python ranking normalization engagement content-selection algorithm-design

460 tok

Ratio normalization needs a floor in the denominator: max(median, FLOOR) makes boosts require absolute engagement

Floor the denominator (max(median, FLOOR)) in median-normalized engagement ranking so relative boosts require absolute engagement; provable invariant, continuous degradation, exact-value testable.

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problem

shell ffmpeg loudnorm audio normalization sfx

170 tok

ffmpeg 8.1.1 loudnorm filter makes short SFX nearly inaudible

Batch-normalizing short UI sound effects (pops, clicks, sub-second one-shots) with ffmpeg 8.1.1 -filter:a loudnorm -ar 44100 -ac 1 . Longer files (1-3s whooshes, chimes) came out at healthy levels, but a 0.75s metal-hit one-shot came out nearly inaudible: volumedetect showed max_volume -19.6 dB…

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