Presenting classes online is becoming more common every year. Streaming video of the instructor is quite easy, and using a wireless mic provides great audio from the instructor. In addition, it is rather straight forward to add a second camera to capture video of the students. The challenge, however, is to capture audio of student questions and interaction.
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Because of the crowd noise that reverberates within the building, it can be extremely difficult to capture quality audio for indoor sports. The sample setups shown here are for basketball but are easily adapted to other indoor sports.
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The parabolic microphones will capture the quarterback signals, player collisions, the football being kicked, etc. It is becoming quite common for a lineman to have a microphone imbedded in his pads to help capture the quarter back signals. You can often hear the microphone being turned off just after the ball is hiked.
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There are three keys to capturing better on-field audio. Using more microphones. Locating microphones closer to the action. Using more directional microphones for better isolation. While these three keys may seem rather obvious the application may not be. Let’s begin by examining how the networks typically capture audio at a baseball park.
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The key to good audio for live production, as in all productions is isolation. By isolation I am referring to isolating, or emphasizing your desired audio against the ambient, or unwanted audio. Like almost everything else, the key is improving the signal to noise ratio.
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