Video encyclopedia

21/11/1877 Edison announces sound recorder


edison 1878 tin foil phonograph / first recording


"I Am The Edison Phonograph" Advertising Cylinder


Newly Discovered Thomas Edison 1877 Phonograph Recording FULL VERSION

Sound recording and reproduction is an electrical, mechanical, electronic, or digital inscription and re-creation of sound waves, such as spoken voice, singing, instrumental music, or sound effects. The two main classes of sound recording technology are analog recording and digital recording.
    • Essentials 

    • Other American inventions 

    • Terminology 

    • Early history 

    • Improvements at the Volta Laboratory 

    • Disc vs. cylinder as a recording medium 

    • Dominance of the disc record 

    • Turntable technology 

    • Arm systems 

    • Pickup systems 

    • Stylus 

    • Record materials 

    • Equalization 

    • In the 21st century