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  2. Razer Inc. - Wikipedia

    en.wikipedia.org/wiki/Razer_Inc.

    The Razer DeathAdder gaming mouse introduced in 2006 is the company's most popular mouse line by sales, [47] having sold over 20 million units worldwide by June 2024. [48] Razer mice are used by around 8% of professional first-person shooter gamers. [49] In 2021, Razer introduced a new 8 kHz "HyperPolling" technology to power the Razer Viper 8K ...

  3. Voice activity detection - Wikipedia

    en.wikipedia.org/wiki/Voice_activity_detection

    A VAD operating in a mobile phone must be able to detect speech in the presence of a range of very diverse types of acoustic background noise. In these difficult detection conditions it is often preferable that a VAD should fail-safe , indicating speech detected when the decision is in doubt, to lower the chance of losing speech segments.

  4. Spill (audio) - Wikipedia

    en.wikipedia.org/wiki/Spill_(audio)

    Spill occurs when sound is detected by a microphone not intended to pick it up (for example, the vocals being detected by the microphone for the guitar). [3] Spill is often undesirable in popular music recording, [4] as the combined signals during the mix process can cause phase cancellation and may cause difficulty in processing individual tracks. [2]

  5. Audio-to-video synchronization - Wikipedia

    en.wikipedia.org/wiki/Audio-to-video_synchronization

    If the sound source is 340 meters from the microphone, then the sound arrives approximately 1 second later than the light. The AV-sync delay increases with distance. During mixing of video clips normally either the audio or video needs to be delayed so they are synchronized. The AV-sync delay is static but can vary with the individual clip.

  6. Laser microphone - Wikipedia

    en.wikipedia.org/wiki/Laser_microphone

    On 25 August 2009, U.S. patent 7,580,533 was issued for a device that uses a laser beam and smoke or vapor to detect sound vibrations in free air ("Particulate Flow Detection Microphone based on a laser-photocell pair with a moving stream of smoke or vapor in the laser beam's path"). Sound pressure waves cause disturbances in the smoke that in ...

  7. Soundfield microphone - Wikipedia

    en.wikipedia.org/wiki/Soundfield_microphone

    The Soundfield microphone is an audio microphone composed of four closely spaced subcardioid or cardioid (unidirectional) microphone capsules arranged in a tetrahedron. It was invented by Michael Gerzon and Peter Craven, and is a part of, but not exclusive to, Ambisonics, a surround sound technology. It can function as a mono, stereo or ...

  8. Synaptic noise - Wikipedia

    en.wikipedia.org/wiki/Synaptic_noise

    Since it is happening in the background, the release is not due to a signal, but is random. This unpredictability adds to the synaptic noise level. Synaptic noise shows up as miniature postsynaptic current, which is observed without any presynaptic input. These spontaneous currents are due to randomly released neurotransmitter vesicles.

  9. Diaphragm (acoustics) - Wikipedia

    en.wikipedia.org/wiki/Diaphragm_(acoustics)

    Microphone diaphragms, unlike speaker diaphragms, tend to be thin and flexible, since they need to absorb as much sound as possible. In a condenser microphone, the diaphragm is placed in front of a plate and is charged. [2] In a dynamic microphone, the diaphragm is glued to a magnetic coil, similar to the one in a dynamic loudspeaker.