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2. Noise-canceling microphone - Wikipedia

   en.wikipedia.org/wiki/Noise-canceling_microphone

   A second mic receives ambient noise. In a noisy environment, both microphones receive noise at a similar level, but the primary mic receives the desired sounds more strongly. Thus if one signal is subtracted from the other (in the simplest sense, by connecting the microphones out of phase) much of the noise is canceled while the desired sound ...

3. Presence (sound recording) - Wikipedia

   en.wikipedia.org/wiki/Presence_(sound_recording)

   Presence is similar to ambience, but is distinguished by a lack of explicit background noise. Every location has a distinct presence created by the position of the microphone in relation to the space boundaries. A microphone placed in two different parts of the same room will record two distinct presences.

4. Microphone - Wikipedia

   en.wikipedia.org/wiki/Microphone

   The self-noise or equivalent input noise level is the sound level that creates the same output voltage as the microphone does in the absence of sound. This represents the lowest point of the microphone's dynamic range, and is particularly important should you wish to record sounds that are quiet.

5. Wikipedia : WikiProject Spoken Wikipedia/Recording guidelines

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

   Record at a quiet place to reduce noise, in addition to digital noise removal (see next section). A long cord from microphone to computer may be useful in order to reduce the computer noise. A laptop is generally quieter than a desktop computer. Try standing up. If you think your voice sounds a little thin or lacking in expression, standing ...

6. Noise gate - Wikipedia

   en.wikipedia.org/wiki/Noise_gate

   Noise gates are useful when editing live recordings to remove background noise between passages or pieces of dialogue. However, care must be taken in setting the gates so they do not trigger due to spurious noises. For vocal applications on stage, an optical microphone switch may be used rather than a noise gate.

7. Ambient noise level - Wikipedia

   en.wikipedia.org/wiki/Ambient_noise_level

   Integrating Sound Level Meter. In atmospheric sounding and noise pollution, ambient noise level (sometimes called background noise level, reference sound level, or room noise level) is the background sound pressure level at a given location, normally specified as a reference level to study a new intrusive sound source.

8. Microphone practice - Wikipedia

   en.wikipedia.org/wiki/Microphone_practice

   The wish to capture or avoid the collection of extraneous noise. This can be a concern, especially in amplified performances, where audio feedback can be a significant problem. Alternatively, it can be a desired outcome, in situations where ambient noise is useful such as capturing hall reverberation and audience reactions in a live recording .

9. Throat microphone - Wikipedia

   en.wikipedia.org/wiki/Throat_microphone

   A throat microphone, also called a laryngophone, is a type of contact microphone that absorbs vibrations directly from the wearer's throat by way of single or dual sensors worn against the neck. The sensors, called transducers , can pick up speech even in extremely noisy or windy environments, such as on a motorcycle or in a nightclub .