HT8970 - Holtek Semiconductor Inc

HT8970 Voice Echo

The HT8970 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, 20Kb SRAM, A/D and D/A converters as well as delay time control logic. Its built-in 20Kb SRAM can generate delay time effect and can control.

Features

· Operating voltage: 4.5V~5.5V
· ADM algorithm
· Low noise - Echo mode: -85dB - Surround mode: -90dB
· Built-in 20Kb SRAM
· Automatic reset function
· 16-pin DIP/SOP package Applications
· Television
· Karaoke systems
· Video disc player
· Sound equipments General Description The HT8970 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, 20Kb SRAM, A/D and D/A converters as well as delay time control logic. Its built-in 20Kb SRAM can g.