Recording sound

Phonograph

1877

The first machine to record sound and play it back was the phonograph.
Itwas invented by the American inventor Thomas Edison in 1877.

Gramophone

1888

The first disc record player or gramophone was made by Emile Berliner in 1888.
The mechanism was very similar to Edison’s phonograph except that
the sounds were stored on a flat disc rather than on a cylindrical drum.

Tape recorder

1931

The Germany inventor, Fritz Pfleumer invenetd the tape recorder in 1931.
A tape recorder records sound in the form of a magnetic pattern on a
long piece of tape. The magnetic particles produce electric signals which are reproduced as sound.

Mobile phone

1973

Martin Cooper was the inventor of the mobile phones, he invented the mobl phone in 1973, in new york city.
Nowadays, people listen to music on their computers or download music from the Internet onto their mobile phones.

Walkmans

1979

Personal stereos (Walkmans) were invented by engineers at the Sony Corporation in Japan, in 1979.
Walkmans could not record sound but they were aninstant success.

Compact discs

1980

Compact discs were first made in the 1980s by the electronics companies Philips and Sony.
The sound is recorded digitally as a series of numbers.
A compact disc player uses a laser beam to scan the disc and play the sound.