Music Technology Lecture 7 Audio Effects I

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Music Technology Lecture 7 Audio Effects I Lecturer: Matthew Yee-King Contact: URL: 1 Last week's lecture Psychoacoustics The human perception of sound Digital audio compression MP3 as applied psychoacoustics The sampler as an instrument Tape based sampling Early digital samplers Modern digital samplers 2 Lecture 7 summary Overview of audio effects – Phase shifting – Spatialization effects – Dynamic range effects Block diagrams of audio effects – How to describe an effect algorithm Digital Delay Lines (DDL) – Key to many effects Details of some audio effects – Effects from the 3 groups above 3 Overview of audio effects Audio

• tap delay line
• audio effects
• variable delay line
• dynamic range of the signal
• quiet signals
• playback chunks of audio data with a delay on the playback
• delay line 19 multi tap delay
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