Audio Restoration
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CEDAR Debuzz Software Module for Cambridge
The Debuzz-3 algorithm is our best yet. It provides full-bandwidth processing, removing components across the entire audio spectrum, and it is capable of removing all manner of buzzes and hums with fundamental frequencies as high as 500Hz. Compared with earlier algorithms, it offers improved signal modelling and better component tracking. Having locked on to the fundamental, it even has the ability to cope with jittery buzzes. Typically, Debuzz-3 will successfully remove the buzz even if the frequency drifts by as much as 2% at 50Hz at 44.1kHz sample rate. The module also rescues signal that lies at the same frequencies as the buzz harmonics. It does this by analysing the dynamics of the signal and buzz, optimally detecting and reducing the buzz with minimal side effects.
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