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Audio Tips
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Click Here for the most recent Audio Tip.
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Microphone Acoustic Phase Issues
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12.27.2007
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Apart from common problems such as broken wires, popping, and noise, acoustic phase interference can create some very unique audio issues.
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Managing Feedback
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12.18.2007
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Audio feedback occurs when the signal produced by a microphone (or other sound transducer) is amplified and distributed in a manner that allows the same amplified sound to be detected by that same microphone, only to be amplified again. This cycle repeats and keeps adding gain to the most dominant frequency, producing the well known occurrence known as feedback.
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Antenna Overview for Wireless Mics Part 2
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12.11.2007
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Previously, I described some types of antennas and simple physical mounting techniques for wireless microphone applications. In this article we will discuss more antenna mounting techniques and tips for general equipment placement.
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Antenna Overview for Wireless Mics Part 1
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12.04.2007
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Wireless microphones have come a long way in the past few years. Battery life, robust construction, ease of use, and reliability have all been driving factors in their popularity.
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Embedded Audio
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11.27.2007
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With most TV stations migrated to SDI, the merits of embedding the program audio into the stream have become clear.
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Dirty Mics
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11.20.2007
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Obviously, the first line of defense against dirt and moisture is the windscreen.
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Telephone Hybrid Alignment
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11.13.2007
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In broadcast facilities, we sometimes neglect to keep our ancillary equipment at peak performance. Certainly one of those areas could include your telephone hybrids.
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Changes in ATSC Standard to Affect AC-3
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11.06.2007
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If you use AC-3 audio encoding for your DTV transmissions, don’t forget to check your PSIP for compliance to the new requirement.
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Background Noise Cancellation on a Budget
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10.23.2007
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There may be locations where background noise can overpower your microphone to a point where it’s almost impossible to understand what the announcer is saying.
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Clean, Flat, and Undistorted
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10.16.2007
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The primary function of any broadcast audio signal is to present a recorded (or live) audio sound as a true representation of the original sound. Whether it’s mono, stereo, or 5.1, audio signals have certain parameters that must be met to achieve this goal.
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