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Audacity is a free and open-source digital audio editor and recording application software, available for Windows, macOS, Linux, and other Unix-like operating systems. [ 4 ] [ 5 ] As of December 6, 2022, Audacity is the most popular download at FossHub, [ 8 ] with over 114.2 million downloads since March 2015.
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Advanced Linux Sound Architecture (ALSA) Yes the sound card driver and management system in the Linux kernel: GPL-2.0-or-later LGPL-2.1-or-later: aRts: Yes an audio programming API and sound server for general desktop, no longer in development GPL: DSSI: Yes a plugin architecture for software synthesizers: LGPL-2.1-or-later: GStreamer: Yes Yes ...
De-essing is a dynamic audio editing process, only working when the level of the signal in the sibilant range (the ess sound) exceeds a set threshold. De-essing temporarily reduces the level of high- frequency content in the signal when a sibilant ess sound is present. [ 2 ]
Audio editing software typically offer the following features: The ability to import and export various audio file formats for editing. Record audio from one or more inputs and store recordings in the computer's memory as digital audio. Edit the start time, stop time, and duration of any sound on the audio timeline.
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.
The control for sample rate reduction (a.k.a. "downsampling" or "averaging") is sometimes shown in Hz for a new sample rate, or as a reduction factor. Sample rate reduction is sometimes shown instead as the number of consecutive samples to average together to create a new sample. A value of 20 reduces the sample rate to 1/20 of its original rate.
Pitch correction devices do this without affecting other aspects of its sound. Pitch correction first detects the pitch of an audio signal (using a live pitch detection algorithm), then calculates the desired change and modifies the audio signal accordingly. The widest use of pitch corrector devices is in Western popular music on vocal lines.