Compresseur de gain pour voie de sortie de console d'enregistrement electroacoustique

Gain compression circuit for electroacoustic recording - has separate manual and automatic gain controls for multi source inputs

  • Inventors:
  • Assignees: Central Son
  • Publication Date: December 31, 1976
  • Publication Number: FR-2313810-A1

Abstract

This gain compression circuit for electro - acoustic recording consoles with many input lines derived from tape decks monitors each separately. The compression circuits provide an output to the operator warning of any incorrect compression as the recording proceeds. Each output line includes a separate amplifier with a feedback loop adjusting its gain according to the signal level. A detector sensitive to some given mean signal level of the amplifier output drives two photo - emitting diodes one of which offers the operator the option of using a manual switch control.

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