Join Bill Gibson for an in-depth discussion in this video High-pass filters, part of Microphone Techniques: Essentials.
- [Instructor] Unlike dynamic mics … that typically roll off in the low end, … condenser mic capsules are relatively flat … in most cases from 20 Hz to 20 kHz. … So there quite good at capturing a full sound … from distances of a foot or more, … but there not very good for close-miking … because the proximity effect makes the sound very boomy … in the low end when these mics are close to the source. … For that reason, most condenser mics … include builtin highpass filters … that roll off the low end to compensate … for the proximity effect. … Some mics like the AKG 451 and 414 have two or more filters. … The 451 has filters at 75 and 150 Hz, … and the 414 has filters at 40, 80, and 160 Hz. … Others like the AT 4041 have a single highpass filter. … This one rolls off at 80 Hz. … The bottom line is when you're close-miking … with a condenser mic, … applying the highpass filter cleans up the sound a lot, … and removes the muddy boominess in the low end. … …
- 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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