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  2. Noise reduction - Wikipedia

    en.wikipedia.org/wiki/Noise_reduction

    the available computer power and time available: a digital camera must apply noise reduction in a fraction of a second using a tiny onboard CPU, while a desktop computer has much more power and time whether sacrificing some real detail is acceptable if it allows more noise to be removed (how aggressively to decide whether variations in the ...

  3. Adjust your zoom settings in AOL Desktop Gold

    help.aol.com/articles/adjust-your-zoom-settings...

    1. Sign in to Desktop Gold. 2. Navigate to a webpage. 3. In the bottom right corner you can see the current zoom setting. 4. Click the + and -buttons to adjust your zoom level.

  4. Parasitic oscillation - Wikipedia

    en.wikipedia.org/wiki/Parasitic_oscillation

    In audio systems, parasitic oscillations can sometimes be heard as annoying sounds in the speakers or earphones. The oscillations waste power and may cause undesirable heating. For example, an audio power amplifier that goes into parasitic oscillation may generate enough power to damage connected speakers. A circuit that is oscillating will not ...

  5. Image stabilization - Wikipedia

    en.wikipedia.org/wiki/Image_stabilization

    Image stabilization (IS) is a family of techniques that reduce blurring associated with the motion of a camera or other imaging device during exposure.. Generally, it compensates for pan and tilt (angular movement, equivalent to yaw and pitch) of the imaging device, though electronic image stabilization can also compensate for rotation about the optical axis (). [1]

  6. Mains hum - Wikipedia

    en.wikipedia.org/wiki/Mains_hum

    Mains hum, electric hum, cycle hum, or power line hum is a sound associated with alternating current which is twice the frequency of the mains electricity. The fundamental frequency of this sound is usually double that of fundamental 50/60 Hz , i.e., 100/120 Hz, depending on the local power-line frequency .

  7. Noise gate - Wikipedia

    en.wikipedia.org/wiki/Noise_gate

    A noise gate is used when the level of the "signal" is above the level of the unwanted "noise". The threshold is set above the level of the "noise", and so when there is no main "signal", the gate is closed. A common application is with electric guitar to remove hum and hiss noise caused by distortion effects units. A noise gate does not remove ...

  8. Zoom (software) - Wikipedia

    en.wikipedia.org/wiki/Zoom_(software)

    Zoom also offers a transcription service using Otter.ai software that allows businesses to store transcriptions of the Zoom meetings online and search them, including separating and labeling different speakers. [32] In July 2020, Zoom Rooms and Zoom Phone became available as hardware as a service products. [33]

  9. Audio feedback - Wikipedia

    en.wikipedia.org/wiki/Audio_feedback

    Block diagram of the signal-flow for a common feedback loop [1]: 118 . Audio feedback (also known as acoustic feedback, simply as feedback) is a positive feedback situation that may occur when an acoustic path exists between an audio output (for example, a loudspeaker) and its audio input (for example, a microphone or guitar pickup).