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Created by Thomas Edison you had to put a paper under a nettle mechanically to coupled to a diaphargm the shout into mouth peice.it can record a human voice
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created by Emile Berliner
they used a disk and it recorded audio.it was the next
step to music. http://www.videointerchange.com/audio_history.htm -
created by Karl Daniel
It could record audio for 2 hours next step of audio -
created by Gray Manufacturing
It provided a constant linear velocity
next step to music playing -
created by RCA
IT played music
next step to portable music players -
created by collins radio
to broadcast
to record voice -
created by IBM
reproduce the human voice
to record a human voice -
created by Channel master
played music recorded
portabal divices
