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HT8972 Datasheet Voice Echo

Manufacturer: Holtek Semiconductor

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General Description

The HT8972 is an echo/surround effect processor.

It is designed for various audio systems including karaoke, television, sound equipments, etc.

The chip consists of a built-in pre-amplifier, VCO or Voltage Control OSC, 40Kb SRAM, A/D and D/A converters as well as delay time control logic.

Overview

HT8972 Voice Echo.

Key Features

  • Operating voltage: 4.5V~5.5V.
  • ADM algorithm.
  • Low noise - Echo mode: -85dB - Surround mode: -90dB.
  • Low distortion rate - Echo mode: 1% - Surround mode: 0.2%.
  • Built-in 40Kb SRAM.
  • Automatic reset function.
  • 16-pin DIP/SOP package.

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