Blue2Digital

Genuinely designed for the common people

Compare two audio files by measuring the similarity

Compute the normalized cross-correlation of two audio files online
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* The image above displays the spectrograms of the two uploaded audio files.
* Feel free to submit other two audio files for comparison.
* This app is free to use when the two files are compared for the first time. Each subsequent use of the app costs 0.5 USD >> PURCHASE NOW.
Identifying the frequency components of each audio signal is crucial for audio comparison. The time-domain signal is difficult to inspect and must be converted to its frequency-domain equivalent before analysis can be performed.
Our software utilizes an algorithm that produces an estimate of the audio signal's frequency content to compose the magnitude of the function that calculates the windowed discrete-time Fourier transform for the given audio input. The algorithm includes computing cross-correlation in the spatial and frequency domain rather than comparing audio files directly.
Once the calculation has been completed, the uploaded files will be removed from our servers.
This web tool is free to use when the two files are compared for the first time. Each subsequent use of the app costs 0.5 USD >> PURCHASE NOW.
No registration is required. You just have to accept the terms of service set out above.
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