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2. Audacity (audio editor) - Wikipedia

   en.wikipedia.org/wiki/Audacity_(audio_editor)

   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. It was previously served by Google ...

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. Dolby noise-reduction system - Wikipedia

   en.wikipedia.org/wiki/Dolby_noise-reduction_system

   The Dolby C-type noise reduction system was developed in 1980. [16] [17] [18] It provides about 15 dB noise reduction in the 2 kHz to 8 kHz region where the ear is highly sensitive and most tape hiss is concentrated. Its noise reduction effect results from the dual-level (consisting of a high-level stage and a low-level stage) staggered action ...

5. Noise gate - Wikipedia

   en.wikipedia.org/wiki/Noise_gate

   An Alesis Micro Gate noise gate. A noise gate or simply gate is an electronic device or software that is used to control the volume of an audio signal. Comparable to a compressor, which attenuates signals above a threshold, such as loud attacks from the start of musical notes, noise gates attenuate signals that register below the threshold. [ 1]

6. Audio editing software - Wikipedia

   en.wikipedia.org/wiki/Audio_editing_software

   Audio editing software is any software or computer program which allows editing and generating audio data. [ 1] Audio editing software can be implemented completely or partly as a library, as a computer application, as a web application, or as a loadable kernel module. Wave editors are digital audio editors. There are many sources of software ...

7. Wikipedia:WikiProject Spoken Wikipedia/Recording guidelines

   en.wikipedia.org/wiki/Wikipedia:WikiProject...

   Remove noise. You should remove background noise from all your recordings. Here is a guide to doing this in Audacity: Make your recording. Select a chunk of the recording where you were not speaking. You should see a slight bumpiness on the line, representing the background noise. Select Effect, then Noise Reduction, then Step 1 and then Get ...

8. Noise-canceling microphone - Wikipedia

   en.wikipedia.org/wiki/Noise-canceling_microphone

   The internal electronic circuitry of an active noise-canceling mic attempts to subtract noise signal from the primary microphone. The circuit may employ passive or active noise canceling techniques to filter out the noise, producing an output signal that has a lower noise floor and a higher signal-to-noise ratio.

9. Active noise control - Wikipedia

   en.wikipedia.org/wiki/Active_noise_control

   Active noise control ( ANC ), also known as noise cancellation ( NC ), or active noise reduction ( ANR ), is a method for reducing unwanted sound by the addition of a second sound specifically designed to cancel the first. The concept was first developed in the late 1930s; later developmental work that began in the 1950s eventually resulted in ...