Video lectures about audio technology

The first video is a short introduction to sound reproduction in small spaces (typical rooms) by Floyd E. Toole. Why the traditional on-axis frequency response measured in an anechoic chamber is insufficient for representing the tonal characteristics of loudspeakers? Loudspeaker directivity (DI, polar response) as a key concept presented here. Dr. Floyd E. Toole also has a book "Sound Reproduction: The Acoustics and Psychoacoustics of Loudspeakers and Rooms" (Amazon link) - a reference in room acoustics.

Is it possible to explain what is digital audio in 30 minutes? Well, Xiph.Org's short video reveals the truth about pulse-code modulation (PCM) which is the heart of digital audio - only in 23 minutes. Demonstrations of sampling, quantization (bit-depth), and dither on real equipments. (The video opens in new tab.), digital show and tell, Christopher 'Monty' Montgomery

The next video is an introduction to loudspeakers (speaker drivers): a quick journey from the basics to the Thiele-Small parameters. This video is the first part of a longer course.

An interesting demonstration of wave propagation and the similarities of wave behavior from 1959.

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