![]() Test it and see if you can pick up your friends whispering across the room/street.Ģ - remove the umbrella's central pole at this point and use the same funnel system as above with the central hole of the inside of the funnel positioned at this same point where you would have put the microphone. People also had mentioned the discontinued sub-100 Sony parabolic reflector as a starter option. For years, Telinga was the name most field recordists were familiar with, in part due to Prebble and Hendricks’ field recordings. PARABOLIC REFLECTOR A light rigid structure (of aluminum or other material) which reflects sound to a focus at which a MICROPHONE is placed. The market’s gear offerings reflect that. web cam microphone or head set microphone) to this point. This would be ideal since you could plug it into your computer or portable stereo and really get a good parabolic microphone set. It is important to make sure that the microphone is pointing towards the inside of the umbrella. The history of the parabolic reflector as an acoustical amplifier is described, followed by an analysis of the theoretical amplification under various conditions. Parabolic field recording is a specialized practice. The reflected light will hit the central pole of the umbrella at the point where the parabolic reflector will best focus sound.ġ - tape a small microphone (ex. parabolic reflector kit - amongst a range of other mics: read. The author stated, Many mikes can be improved a bit in some locations by adding a 6- or 7-in disc of felt or fiberglass to the dead side to block unwanted sound. ![]() Thornton about building a parabolic microphone using a flying-saucer-style snow-sled for kids. Temporarily stick a small hand mirror on the curved surface of the plastic umbrella and point it at the sun. sound of a spectacular encounter using a Telinga parabolic microphone. In it, there was an article entitled Sound-Search Parabolic Mike by Jack B. You should be able to hear the clock or other source of sound from 20 feet away or so.įor a better result you can add on the amplifying system of a microphone. Point the centre of the wok towards the quiet source of sound – such as a wind up clock across the room or a radio with the volume turned down. Other articles where parabolic microphone is discussed: sound: Reflection: Such reflectors are used in parabolic microphones to collect sound from a distant. Point the wide end of the funnel towards the wok or reflector (if it is an umbrella, you will have to remove the central pole up to a certain point – see below) If you are using an umbrella, to make the simplest sound telescope, be aware that you will have to destroy it – so only use old unwanted ones.Īttach the rubber tubing to the thin end of the funnel. Demo Title: Parabolic Reflector and Sound Source Condition: Excellent Principle: Acoustic Reflectors Area of Study: Acoustics Equipment.
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