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2. mp3DirectCut - Wikipedia

   en.wikipedia.org/wiki/Mp3DirectCut

   This allows for rapid, lossless MP3 audio editing that does not degrade the data from re-encoding. mp3DirectCut provides audio normalization and pause (silence) detection, and can split long recordings into separate files based on cue points in the audio, such as those provided by pause detection. mp3DirectCut can also record audio directly to ...

3. Noise reduction - Wikipedia

   en.wikipedia.org/wiki/Noise_reduction

   Noise reduction is the process of removing noise from a signal. Noise reduction techniques exist for audio and images. Noise reduction algorithms may distort the signal to some degree. Noise rejection is the ability of a circuit to isolate an undesired signal component from the desired signal component, as with common-mode rejection ratio.

4. Audio restoration - Wikipedia

   en.wikipedia.org/wiki/Audio_restoration

   Audio restoration is the process of removing imperfections (such as hiss, impulse noise, crackle, wow and flutter, background noise, and mains hum) from sound recordings. Audio restoration can be performed directly on the recording medium (for example, washing a gramophone record with a cleansing solution), or on a digital representation of the ...

5. Comparison of free software for audio - Wikipedia

   en.wikipedia.org/wiki/Comparison_of_free...

   multi-track audio editor intended as a replacement for Cubase-like software GPL-2.0-or-later: MusE: Yes No No Qt MIDI sequencer GPL-2.0-or-later: Qtractor: Yes No No Qt A non-destructive multi-track audio and MIDI Workstation GPL-2.0-or-later: Rosegarden: Chris Cannam Yes No No Qt MIDI sequencer and multi-track recorder GPL-2.0-or-later: SoX ...

6. WavePad Audio Editor - Wikipedia

   en.wikipedia.org/wiki/WavePad_Audio_Editor

   Scrub, search, and bookmark audio to find, recall and assemble segments of audio files; Spectral analysis (FFT), speech synthesis (text-to-speech), and voice changer; Audio restoration tools including noise reduction and click pop removal [4] Supports sample rates from 6 to 96 kHz, stereo or mono, 8, 16, 24 or 32 bits; Remove vocals from music ...

7. Noise (signal processing) - Wikipedia

   en.wikipedia.org/wiki/Noise_(signal_processing)

   Noise (audio), such as "hiss" or "hum", in audio signals Background noise, due to spurious sounds during signal capture; Comfort noise, added to voice communications to fill silent gaps; Electromagnetically induced noise, audible noise due to electromagnetic vibrations in systems involving electromagnetic fields; Noise (video), such as "snow"

8. Audio normalization - Wikipedia

   en.wikipedia.org/wiki/Audio_normalization

   Audio normalization is the application of a constant amount of gain to an audio recording to bring the amplitude to a target level (the norm). Because the same amount of gain is applied across the entire recording, the signal-to-noise ratio and relative dynamics are unchanged.

9. Audio noise measurement - Wikipedia

   en.wikipedia.org/wiki/Audio_noise_measurement

   Microphones, amplifiers and recording systems all add some electronic noise to the signals passing through them, generally described as hum, buzz or hiss. All buildings have low-level magnetic and electrostatic fields in and around them emanating from mains supply wiring, and these can induce hum into signal paths, typically 50 Hz or 60 Hz (depending on the country's electrical supply standard ...