parabolic microphone การใช้

• This is a parabolic microphone, not speakers, but has one advantage.
• A parabolic microphone would give you " superhuman hearing ".
• Armed patrol vehicles with Colt Canada C7 rifles and parabolic microphones are on guard at all times.
• Parabolic microphones also allow you to hear voices from one direction only, but those are, of course, highly visible.
• In Slog It, teams had to search the forest for a'Singing Tree'playing a popular song using just a parabolic microphone.
• -Tree-house and canopy : By pointing a parabolic microphone into a tree canopy, you pick up the sounds of birds and insects.
• Parabolic microphones depend on a parabolic dish to reflect sound coming from a specific direction into the microphone placed at the focus.
• The network will be using four parabolic microphones, moving around the field, and then will have someone in charge of mixing the sound.
• At that point Rick then find a parabolic microphone in the car and expresses concern that Aaron's people might have heard their plans.
• The parabola has many important applications, from a parabolic antenna or parabolic microphone to automobile headlight reflectors to the design of ballistic missiles.
• Today, a researcher retires to the woods with a portable tape recorder and a dishlike parabolic microphone and waits for the singing to begin.
• Parabolic acoustic mirrors are widely used in parabolic microphones to pick up sound from great distances, employed in surveillance and reporting of outdoor sporting events.
• Parabolic microphones are not typically used for standard recording applications, because they tend to have poor low-frequency response as a side effect of their design.
• This attack is inexpensive because the other hardware required is a parabolic microphone and non-invasive because it does not require physical intrusion into the system.
• Parabolic microphones are generally not used for high fidelity recording applications because dishes small enough to be portable have poor low frequency ( bass ) response.
• In parabolic microphones, a parabolic reflector that reflects sound, but not necessarily electromagnetic radiation, is used to focus sound onto a microphone, giving it highly directional performance.
• I'm thinking you could use echolocation to find objects in front of the vehicle and then aim a parabolic microphone at each one to listen for a heartbeat.
• A typical parabolic microphone dish with a diameter of one metre would have little directivity for sound waves longer than 30 cm, corresponding to frequencies below 1 kHz.
• The most common modern applications of the parabolic reflector are in satellite dishes, reflecting telescopes, radio telescopes, parabolic microphones, solar cookers, and many PAR lamps and LED housings.
• It's in the same class as watching the neighbors fight when their drapes are open, although I don't think binoculars and a parabolic microphone wouldbe needed in your case.