BMT learning series · Course 02

Audio for AV.

Start with the physical event, then learn how rooms and microphones shape the signal a system has to work with.

3 lessons available12–14 minutes eachFree no sign-in

Foundations

Build the listening model.

01

Lesson 0112 min

Audio 101: What Sound Is

Start with sound as a travelling pressure variation, then connect frequency, wavelength, amplitude, and the way voices differ from test tones.

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02

Lesson 0213 min

How Sound Behaves in a Room

Learn how direct sound, reflections, microphone distance, reverberation, phase, and polarity shape speech intelligibility.

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03

Lesson 0314 min

How Microphones Turn Sound into an Electrical Signal

Understand microphone transducers, polar patterns, placement, sensitivity, gain, and model-specific power checks.

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