(category) – Operational

Noisy floors

Noisy Floors can be the bane of a Sound Recordists life. There are two main problems; noise from things like heels hitting a hard and hollow floor and noise from the floor itself as objects move over the surface. Heels and Legs High heels and chair legs can easily produce enough noise to drown out…

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Off Tube

“Off Tube” is when commentary for an event is provided by the commentary team just watching the televised pictures. While commentators almost always have a picture monitor (or “tube”) regardless of their location, there is great advantage to be had from also being in a position to see the proceedings with their own eyes, and…

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Pan Pot

Panpot is an abbreviation of Panoramic Potentiometer, a device used in Stereo mixers to vary the signal levels sent to the outputs from a Mono input, and thus apparently move the sound across the “sound stage” between left and right.

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Polar Pattern

The Polar Pattern of a Microphone describes its directional sensitivity. The main family of patterns is a continuous spectrum between omni and bi-directional (figure-of-eight). Thus their titles are somewhat arbitrary, often overlap and, perversely, in most cases they are best defined by their ability to reject sound. Polar Patterns are generalised – they give an…

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Pre-Fade Listen (PFL)

PFL usually stands for “Pre-Fader Listen”. PFL is a combined channel and monitoring function. On an analogue mixer with PFL, each channel has a switch which can connect the channel signal path, at a point just before the fader, to the pre-fade bus. This bus is picked up in the monitor module and made available as an…

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Sound Levels

Sound Pressure Levels Our ears respond to fluctuations in the steady atmospheric pressure, so when measuring sound, that is what we usually measure. Sound pressure levels (or Sound Levels for short) are specified in Decibels, relative to a reference pressure of 20 micropascals. This reference pressure of 20 micropascals is nominally equal to the threshold…

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Stereo

Stereo, short for Stereophonic, is a system of sound recording and reproduction which uses two synchronised channels, usually referred to as A (left) and B (right). There are several conventions for colour-coding analogue signals; the BBC adopted the nautical convention of Red for Port (Left) and Green for Starboard (Right), which can be confusing when…

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Stick pads

Stick Pads are the soft rubber things that you fit onto the end of a walking stick to protect the end of the stick and reduce the noise of the stick hitting the ground. Sound Recordists use them on high heels or chair legs to reduce the sounds of walking or chair movements on hard…

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Talkback

Talkback originated in radio studios, where staff in the control cubicle who could hear the presenters and performers on their monitor loudspeaker were able to communicate with them using a dedicated microphone/loudspeaker system, “talking back” to the studio. This system was extended by the introduction of “reverse talkback” which provided the presenter with an additional…

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Tesa tape

Tesa Tape is a generic term applied to self adhesive foam rubber tapes or sheets a few mm thick. TESA is an American adhesive tape maker, with a UK subsidiary. Tesa Tape is commonly used stuck to the heels and soles of shoes to deaden the noise of footfalls on hard or hollow floors. It…

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