Audio Duration From Samples
Calculator

Inputs

Duration (seconds)
100

Results

Duration (seconds)
100
Duration (minutes)
1.666666
Samples per channel
4,410,000

Music and audio results

Duration (seconds)100
Duration (minutes)1.666666
Samples per channel4,410,000

formula-map diagram

Duration (seconds)
100
Duration (minutes)
1.666666
Samples per channel
4,410,000

Musical and acoustic relationship

Formula

duration = total samples ÷ (sample rate × channels)

= 100

Note

This result is a simplified model: it applies the displayed standard formula to the values you entered, assuming twelve-tone equal temperament, a speed of sound of 343 m/s in dry air at 20 °C, an ideal free field with no reflections or air absorption, purely resistive speaker loads and Sabine's diffuse-field assumption. Real rooms, instruments, codecs and amplifiers depart from these idealisations, so measure with proper instruments for critical work.

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