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Working in the booth.

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This video will provide an overview of working in the adjoining announce booth or interview room of Allan Slaight Radio Institute Control Rooms 1, 2, and 3. Each adjoining booth contains 2 to 4 Heil PR40 dynamic microphones mounted on articulating arm boom stands connected by an cable to a model 214 announcer's console, which sends signal over ethernet to the control room.

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The Heil PR40 dynamic microphone is a popular choice in radio and podcasting. It has a wide frequency response, capturing detailed signal of the human voice, while its cardioid pickup pattern helps to reject sounds in the room other than the direct voice. The Heil PR40 is an end-firing microphone, meaning the speaker should address the end of the microphone,

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unlike the side address element of the AT-2020 large diaphragm condenser microphone found in many of the production suites in the RCC. Attached to the microphone is a small pop filter -- in conjunction with the microphone’s internal filter, this helps reject unwanted pops in the human voice known as plosives. The articulating arm boom stand allows speakers to find a comfortable sitting position, while still having ideal microphone placement for capturing the best signal possible.

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Adjust the boom stands so that the voice talents mouth is 2 to 3 inches away from the pop filter on the microphone. Ensure the speaker is on axis with the microphone, meaning they are centered and facing the microphone directly. Let's take a look at the Model 214 announcer's console. On the back of the console, we'll find our three main connections: An XLR input connected to the output of the Heil PR40 microphone; an ethernet port, used to both transmit audio from the announce console to the control room, and to receive return audio from the control room; and a quarter inch stereo headphone jack to allow the talent to monitor the master program bus output and talkback from the

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control room. While the Ethernet and XLR cables should already be in place, headphones with quarter inch adapters must be provided by the user and can be booked from the EDC. Along the front panel of the Model 214 announcer's console are three volume pots. The pot on the far left adjusts the level of the master program bus audio in the user's headphones.

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The pot in the middle adjusts the level of talkback audio received from the control room. The pot on the far right is disabled. Remember, any adjustments to levels at this stage are only for listening comfort and will not impact the master program bus output levels. On the top of the console are two buttons labeled Mic and Talkback. The mic button allows the user to turn the microphone on and off like a mute button.

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When the light next to the mic button is red, the signal is not being sent to the control room. When the light next to the microphone button is green, the signal is being sent to the control room and can be sent to the Master Program bus at the board operator’s discretion. The talkback button toggles the microphone’s use between regular on air applications and behind-the-scenes talkback communication.

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When the talkback button is held down, the microphone’s main output to the board is temporarily muted, and the signal is instead sent to the built in speaker on the on air 1500, in the control room, to communicate with the board operator. When the button is released, the microphone’s main output is automatically re-enabled.