Sound Recording And Reproduction

Describes how sound is converted into light rays to produce sound motion pictures and how the light rays are converted back into sound waves. Shows sound recording by both variable area and variable density.

Related films

Sources

  1. A-V Online (National Information Center for Educational Media). CD-ROM database of educational and documentary media, compiled and maintained by the National Information Center for Educational Media (NICEM). — title, year, creator, length, format, sound, description
  2. 16mm Filmography (legacy record) — creator, genre, catalog record