The development of a low-noise velocity-sensitive microphone, inspired by acoustic flow detection in nature, enhances ...

[This type of microphone] first used at station WEAF about 1923. Carbon transmitter mounted in bronze metal and gauze case on base. Only mark "Back," about 8" diam. Location Currently not on view ...

Object Details maker Western Electric Location Currently not on view Credit Line from Susan Horle ID Number EM.314175 catalog number 314175 accession number 195337 Object Name microphone Measurements ...

What we now know as easy listening evolved from the rhythmic syncopation of jazz, combined with the helpful invention of the electric microphone and demographic changes in the United States which ...