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  2. Echo suppression and cancellation - Wikipedia

    en.wikipedia.org/wiki/Echo_suppression_and...

    In some cases, these terms are more precise, as there are various types and causes of echo with unique characteristics, including acoustic echo (sounds from a loudspeaker being reflected and recorded by a microphone, which can vary substantially over time) and line echo (electrical impulses caused by, e.g., coupling between the sending and ...

  3. Hot mic - Wikipedia

    en.wikipedia.org/wiki/Hot_mic

    A special case of hot mic is the microphone gaffe, in which the microphone is actively collecting and transmitting sound gathered near a subject who is unaware that their remarks are being transmitted and recorded, allowing unintended listeners or viewers to hear parts of conversations not intended for public consumption. Such errors usually ...

  4. Phantom power - Wikipedia

    en.wikipedia.org/wiki/Phantom_Power

    The transient generated when a microphone is hot-plugged into an input with active phantom power can damage the microphone and possibly the preamp circuit of the input [10] because not all pins of the microphone connector make contact at the same time, and there is an instant when current can flow to charge the capacitance of the cable from one ...

  5. Measurement microphone calibration - Wikipedia

    en.wikipedia.org/wiki/Measurement_microphone...

    A microphone’s sensitivity varies with frequency (as well as with other factors such as environmental conditions) and is therefore normally recorded as several sensitivity values, each for a specific frequency band (see frequency spectrum). A microphone’s sensitivity can also depend on the nature of the sound field it is exposed to.

  6. From opening for Taylor Swift on the North American legs of the "Eras Tour" to performing on "Saturday Night Live" for the first time, Gracie Abrams is establishing herself as a star on the rise.

  7. Microphone connector - Wikipedia

    en.wikipedia.org/wiki/Microphone_connector

    Two pins are used for the mono headphone signal and two pins for the unbalanced microphone signal. The 4-pin XLR connector is also commonly used on amateur radio microphones, but transferring unbalanced audio instead, and using the 4th pin (with the common ground) for a push-to-talk (PTT) circuit activated by a button on the microphone.

  8. Walmart worker goes in for an extra shift and walks out a ...

    www.aol.com/news/walmart-worker-goes-extra-shift...

    Rebeca Gonzalez got the call no retail worker wants on a weekend they're scheduled off — the store was short-staffed and her manager needed her to come in for a few hours.

  9. Keira Knightley Says Teenage Fame Financially 'Set Me ... - AOL

    www.aol.com/keira-knightley-says-teenage-fame...

    Keira Knightley is reflecting on her early successes in the film industry.. In a new interview with The Los Angeles Times, published Thursday, Dec. 5, the actress, 39, spoke about how becoming a ...