Video encyclopedia

21/11/1877 Sound recorder

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 

  • Terminology 

  • Early history 

  • Improvements at the Volta Laboratory 

  • Disc versus cylinder as a recording medium 

  • Dominance of the disc record 

  • Turntable technology 

  • Arm systems 

  • Pickup systems 

  • Stylus 

  • Record materials 

  • Equalization 

  • Phonographs in the 21st century