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  2. RCA Type 77-DX microphone - Wikipedia

    en.wikipedia.org/wiki/RCA_Type_77-DX_microphone

    The directionality of the 77-DX is variable. A rotating backshutter on the acoustic labyrinth, controlled by a screwdriver-operated slot at the rear of the microphone, allows the user to vary the microphone's pattern from omnidirectional in the fully closed position, to cardioid, to figure-8 (bidirectional) in the fully open position.

  3. Audio mixing (recorded music) - Wikipedia

    en.wikipedia.org/wiki/Audio_mixing_(recorded_music)

    Emile Berliner's gramophone system recorded music by inscribing spiraling lateral cuts onto a vinyl disc. [4] Electronic recording became more widely used during the 1920s. It was based on the principles of electromagnetic transduction. The possibility for a microphone to be connected remotely to a recording machine meant that microphones could ...

  4. Audio file format - Wikipedia

    en.wikipedia.org/wiki/Audio_file_format

    Audio file icons of various formats. An audio file format is a file format for storing digital audio data on a computer system. The bit layout of the audio data (excluding metadata) is called the audio coding format and can be uncompressed, or compressed to reduce the file size, often using lossy compression.

  5. 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]

  6. Microphone practice - Wikipedia

    en.wikipedia.org/wiki/Microphone_practice

    The equipment for the techniques also varies from the bulky to the small and convenient. A-B techniques generally use two separate microphone units, often mounted on a bar to define the separation. X-Y microphone capsules can be mounted in one unit, or even on the top of a handheld digital recorder.

  7. Pitch shifting - Wikipedia

    en.wikipedia.org/wiki/Pitch_shifting

    The band was a duo, who lacked a bassist and had never previously used one in any of their music, choosing instead to mimic the sound of a bass guitar. [ 10 ] From 1986 to 1988, American musician Prince used pitch shifting to create his “Camille” vocals.

  8. Audio feedback - Wikipedia

    en.wikipedia.org/wiki/Audio_feedback

    To maximize gain before feedback, the amount of sound energy that is fed back to the microphones must be reduced as much as is practical.As sound pressure falls off with 1/r with respect to the distance r in free space, or up to a distance known as reverberation distance in closed spaces (and the energy density with 1/r²), it is important to keep the microphones at a large enough distance ...

  9. Auto-Tune - Wikipedia

    en.wikipedia.org/wiki/Auto-Tune

    T-Pain, the R&B singer and rapper who reintroduced the use of Auto-Tune as a vocal effect in pop music with his album Rappa Ternt Sanga in 2005, said, "My dad always told me that anyone's voice is just another instrument added to the music. There was a time when people had seven-minute songs, and five minutes were just straight instrumental. ...