Recording & Mixing Drum Science - Part 1
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Oct 12, 2023 Rob Toulson, Director of RT60 Ltd and Professor of Creative Industries, shares his deep knowledge of percussion acoustics. He elucidates the essential concepts of tuning, highlighting pitch, frequencies, and overtones. Listeners will learn how to tackle multiple frequencies for better sound, manage harmonic overtones, and control decay and damping to enhance drum performance. Rob’s insights bridge the gap between technical understanding and creative expression, making it a must-listen for drummers and sound engineers alike.
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Drum Frequencies and Vibration Modes
- Drums produce multiple frequencies simultaneously due to different vibration modes.
- The fundamental frequency sounds like a boom when hit in the center, while the first overtone sounds like a ping when hit at the edge.
Use Spectrum Analyzers for Tuning
- Use a spectrum analyzer or apps like iDrumTune to measure drum head frequencies.
- This helps you correlate what you hear to scientific data, improving your tuning skills.
Drum Heads Vibrate in Unison
- The top and bottom drum heads vibrate at the same fundamental frequency due to air coupling.
- You cannot tune the two heads independently as they work together to create the overall sound.