2007-04-11 COMM Informative Speech Outline

2007-04-11 COMM Informative Speech Outline - Alan VanToai...

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Alan VanToai April 11, 2007 COMM107 Informative Briefing Outline Introduction: Today you’d be hard pressed to find anyone on campus who doesn’t enjoy the benefits of audio recording technology. From podcasts to CDs to the music you just downloaded on DC++, recorded audio is prevalent in the every day life of almost everybody in modern society. However, few people truly understand the process behind recording music, and even fewer appreciate the history behind audio recording technology. The goal of my presentation will be to inform you about the history or recording technology, from Edison’s 1877 Phonograph all the way through to today’s computer based digital recording studios. I will briefly describe the major steps in the evolution of audio recordings, and will describe the effect that these revolutions had on the music industry. I will end with a quick demonstration of a modern composition using digital music technology, and will follow up with a brief Q&A Session. Body: I. Sound Theory and Early Recording History A. Sound as Wave Compression 1. Sounds are produced and received as vibrations. These vibrations cause compressions of air particles that move as waves away from the sound source. When these waves reach our ears, mechanisms in our ears interpret these waves as sounds. 2. Sounds can vary in many ways, and these variations can be
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2007-04-11 COMM Informative Speech Outline - Alan VanToai...

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