NoHum is an application that filters out noise signals using a popular technique called spectral subtraction. This filter can greatly reduce the hum that is often heard in audio, but it may not be as effective for more distorted sounds like buzz. NoHum is an audio editor and converter, a music production tool, a media player, and a streaming media platform.
It's an application that filters the signal using spectral subtraction, which is a popular technique in the mobile phone industry. Although the filter introduces some artifacts of its own, it is a great improvement over the torture of inducing a constant hum into one's ears.
The filter performs well as long as the noise signal is reasonably clean, one that sounds like hum. A more distorted signal, normally referred to as buzz, with large spikes and discontinuities has proved harder to suppress. Your mileage may vary.
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