GA3227

CONSOLIDATOR GA3227 Pre-configured DSP System for Hearing Aids Description The CONSOLIDATOR GA3227 hybrid is a DSP system based on a two−channel compression circuit. It can be configured as a single channel linear device or a single, or dual, channel WDRC device. It can efficiently replace traditional analog hearing aid compression circuits without compromising fundamental performance requirements. The Consolidator GA3227 hybrid can be configured as an extended programmable circuit or a trimmer circuit supporting manual configuration. As a trimmer circuit, it continuously monitors trimmer positions and translates them into the hearing aid parameters of choice. Also included in the Consolidator GA3227 is an in channel squelch circuit used to attenuate microphone and circuit noise in quiet environments, containing low distortion compression limiting, programmable high and low cut filters, and a fully accessible bi−quadratic filter. The hybrid code programmed into the Consolidator GA3227 controller chip is ‘2’. Features Efficient, High Fidelity 1 or 2−Channel WDRC Signal Processing Fully Programmable via Serial Data Interface One DLL Operation Four Trimmer Inputs plus Volume Control or Programmer Controlled Flexible Trimmer/Parameter Assignments Three−Terminal Trimmers Wideband Level Detection Choice of Two AGC−I Parametric Adjustment Strategies 6, 12 or 24 dB/Octave Band Split Filter or Configurable as Single−Channel Compressor In−Channel, Low−Level Squelch...