Join Bill Gibson for an in-depth discussion in this video Sympathetic vibration, part of Microphone Techniques: Essentials.
- [Instructor] The fundamental physical principle … at the core of this conversion is sympathetic vibration. … Although there are all sorts of different ways … to complicate the explanation of sympathetic vibration, … it's really pretty simple. … Consider a timpani. … If the head is tuned to the note F … and the orchestra plays the note F, … (orchestral music) the timpani head … will sympathetically vibrate in response … to the acoustical F from the orchestra … without ever being struck by the timpanist. … A guitar string tuned to E in exactly … the same way will vibrate without … (guitar music) being struck when it hears … that note acoustically. … This phenomenon is exactly what happens … to our eardrum in response to acoustic sound. … The tympanic membrane, the eardrum, … sympathetically vibrates in direct correlation … to the acoustical sound wave it hears. … We could also say that the acoustical sound … resonates the eardrum. … Now consider the microphone. … At the core of the microphone capsule is a surface …
- Wireless mics
- Handling noise
- Operating principles
- Shaping the pickup pattern
- Operating condenser
- Using high-pass filters
- Evaluating mics and mic specs
Skill Level Beginner
Video Production: Location Audio Recordingwith Anthony Q. Artis1h 23m Intermediate
Pro Tools: Audio for Film and Videowith Scott Hirsch5h 9m Intermediate
1. Microphone Fundamentals
2. Operating Principles
3. Understanding Mic Specs
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