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2. Microphone practice - Wikipedia

   en.wikipedia.org/wiki/Microphone_practice

   When using multiple microphones, respecting a 3-to-1 rule and placing microphones at least three times further from each other than they are from the source they are being used to pick up avoids cancellation and phase issues such as comb filtering when the microphone signals are mixed together. [11]

3. Decca tree - Wikipedia

   en.wikipedia.org/wiki/Decca_tree

   The placement can be done with three separate microphone stands or using one or more bars. In contrast to the ORTF stereo technique , the Decca Tree size is not fixed and may vary considerably; distances between the two back microphones are seen between 0.6 and 1.2 m; the front microphone is set proportionally and can be mounted slightly lower ...

4. Boundary microphone - Wikipedia

   en.wikipedia.org/wiki/Boundary_microphone

   The predecessor of the directional boundary microphone was a directional microphone placed in an Electrovoice Mic Mouse, a foam block that suspended a conventional microphone horizontally just above a surface. Because conventional microphone diaphragms are relatively large (> 1 cm diameter), phase interference from surface sound reflections ...

5. Noise-canceling microphone - Wikipedia

   en.wikipedia.org/wiki/Noise-canceling_microphone

   The microphone's proximity effect is adjusted so that flat frequency response is achieved for sound sources very close to the front of the mic – typically 1 to 3 cm. Sounds arriving from other angles are subject to steep midrange and bass rolloff.

6. Gain stage - Wikipedia

   en.wikipedia.org/wiki/Gain_stage

   This means that (1) moving the microphone closer to the sound source increases the signal level produced by the microphone, and (2) moving the microphone further away from undesirable noise sources will diminish the amount of noise in the microphone signal. Microphone placement is therefore an important aspect of gain staging [citation needed].

7. Blumlein pair - Wikipedia

   en.wikipedia.org/wiki/Blumlein_pair

   Both ribbon and condenser microphones can be used for Blumlein-pair recording. A few types of stereo ribbon microphones (B & O, [1] Royer, [2] AEA [3]) have even been purpose-built for just this type of recording. Several types of stereo condenser microphones (Neumann, AKG, Schoeps, Nevaton BPT) have also offered a Blumlein arrangement as one ...

8. Here's How Much Every State Will Spend Per Child This Christmas

   www.aol.com/heres-much-every-state-spend...

   50. South Dakota. Average price per child: $247 This article was originally published on Cheapism

9. Sound reinforcement system - Wikipedia

   en.wikipedia.org/wiki/Sound_reinforcement_system

   Audio feedback from microphones occurs when a microphone is too near a monitor or main speaker and the sound reinforcement system amplifies itself. Audio feedback through a microphone is almost universally regarded as a negative phenomenon, many electric guitarists use guitar feedback as part of their performance. This type of feedback is ...