SmartDeNoiser 1.0 Description:

The SmartDeNoiser application is a small tool that detects and removes single, continuous noise tones in WAV audio files. It was built for removing the ~16 kHz noise tone that some TV and DVD productions contain.

You can remove this noise before you create a DivX or MPEG/(S)VCD version of the movie. The audio editors at TV stations doesn't seem to notice that these noises even exist - probably because many people aren't able to hear these high frequencies (do you hear this noise?) or have poor audio equipment. Example of noise in a TV show.

This special audio filter program detects the noise and removes it. Analysis and a 'smart' denoising of the parts of your audio file that contain noise are done by SmartDeNoiser. SOX (SOund Exchange), a GPLed open source program, is used for equalizing (temp) files.

And this is how it works: The complete file is (virtually) divided in chunks with 250 ms playing time each. These chunks are analyzed for noise. Only noisy chunks (the chunks where noise was detected) are processed for removing the noise. Single noise chunks and single non-noise chunks are ignored. At the beginning and at the end of each group of noisy chunks, one additional chunk is used to fade in/out the cleaned audio stream.

SmartDeNoiser 1.0 Limitations:

· You can use SmartDeNoiser without paying a license fee, use it on as many computers as you want. However, SmartDeNoiser contains a nag screen which appears after you used it.
· SmartDeNoiser is limited for processing WAV files with 48 kHz, 16 Bit (stereo or mono) by now, because it's the usual format one has to cope with when processing MPEG2 videos.

Related searches:

aiglon tones coder decoder - akvis noise buster

SmartDeNoiser security information

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