'Lee deforest' presentation slideshows

Audio Timeline

Audio Timeline. By: Harli Kilgore. What is Audio ?. Audio is an electrical or other representation of sound. Audio. Audio is Sound, esp. when recorded, transmitted, or reproduced. 1978. The first music is put on record: cornetist Jules Levy plays "Yankee Doodle.". 1888.

505 views • 30 slides

History of audio

History of audio. By: Lauren Carter. 1876. Emile Berliner invented the first microphone used as a telephone voice transmitter. 1878. The first music is put on a record The song was "Yankee Doodle ." The carbon microphone was invented by David Edward Hughes. 1887.

300 views • 23 slides

Evolution of audio

309 views • 20 slides

436 views • 5 slides