In his right hand, the other man had what might have been a small directional microphone with a dish receiver and a pistol grip.

A directional microphone will make sound coming from one direction louder than other sounds.

She sat at the electronic console, with the directional microphone trained down into the courtyard.

Efforts to build directional microphones based on the structure of the fly's ear are under way.

A hidden directional microphone picked up his words and amplified them around the Hall without need for human effort.

It has a directional microphone, a larger library of phrases and a longer battery life.

Then, using highly directional microphones, they recorded calls of the males in the various neighborhoods.

Many hearing aids now have both an omnidirectional and a directional microphone.

The big-ear directional microphone picked up an argument between the two.

"Just a simple directional microphone outside the house this morning," he answered.