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Sample-rate reinterpretation planner
Preview duration and pitch changes before an audio editor reinterprets a sample-rate header.
01Enter your values
Runs in your browser02Sample-rate reinterpretation planner
Runs in your browser
How it works
Preview duration and pitch changes before an audio editor reinterprets a sample-rate header.
r = f₂/f₁; t₂ = t₁/r; Δp = 12log₂(r)
Runs in your browser
Discovery source
Your data stays yours
Inputs are processed on this page and are never sent to a server.
About this tool
Use tool ↑Preview duration and pitch changes before an audio editor reinterprets a sample-rate header.
Enter the currently interpreted rate, intended new rate and current playback duration. The sample count stays unchanged: speed is the rate ratio, duration changes inversely and pitch changes by 12 log₂ of that ratio. This planner does not read or modify audio files.
How to use it
- Enter your values
Current interpreted sample rate · New interpreted sample rate · Current duration
- Calculate / generate
Preview duration and pitch changes before an audio editor reinterprets a sample-rate header.
- Result
New duration: 55.125 s
Calculation method
r = f₂/f₁; t₂ = t₁/r; Δp = 12log₂(r)
Sample-rate reinterpretation planner
- Current interpreted sample rate
- 44100 Hz
- New interpreted sample rate
- 48000 Hz
- Current duration
- 60 s
Result
New duration: 55.125 s
Frequently asked questions
Is this the same as resampling?
No. Proper resampling preserves duration and pitch. Reinterpretation changes playback speed; use it only when that is the intended correction.
Where does my data go?
Calculations run on your device. Form inputs are not sent to a server.