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VENTURE™ - GA3217/18/19



VENTURE™ is Sound Design Technologies' high-end family of products designed on the VOYAGUER™ platform. It combines the power and capabilities of Voyageur with SOUNDesign® Advanced Research, delivering cutting-edge features and high performance. The Venture family delivers 3 products that each have their own advanced functionality. The GA3217 has an adaptive feedback canceller to shut down feedback noise before it becomes a problem. The GA3218 has 128-band adaptive noise reduction to enhance clarity of speech in noise. The GA3219 incorporates both 128-band adaptive noise reduction and an adaptive feedback canceller for a complete high-end solution.


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Product Details


    Venture's adaptive noise reduction preserves perceived speech levels without causing distortion. It monitors noise levels independently in 128 individual bands. This strategy also employs advanced psychoacoustic models to eliminate audible noise and reduce the amount of perceptible artifacts introduced by the noise reduction algorithms.

    Based on a feedback cancellation method, Venture's adaptive feedback cancellation algorithm provides increased maximum stable gain unlike other feedback strategies. Additionally, it features rapid adjustment for dynamic feedback situations, immunity to tonal inputs and much more.

    In addition to these adaptive algorithms, Venture also supports the following features:

    FRONTWAVE® directional processing, cross fading between audio paths for click-free memory changes, 8-band graphic equalizer, 8 generic biquad filters (configurable as parametric or other filter types), programming speed enhancements, optional peak clipping, flexible compression adjustments, programmable tones for memory change and low battery indicators, wideband gain, volume control and industry-leading security features to avoid cloning and software piracy.

Features


  • SOUNDDesign® Advanced Research
    • 128-band adaptive noise reduction (GA3218 & GA3219)
    • Adaptive feedback cancellation (GA3217 & GA3219)
  • 128-bit fingerprint security system and other security features to protect against device cloning and software piracy
  • Soft acoustic fade between memory changes
  • FRONTWAVE® directional processing
  • High fidelity audio CODEC
  • 20-bit audio precision
  • 95 dB input dynamic range with HRX™ Headroom Extension
  • 1, 2 or 4 channel WDRC compression
  • 8-band graphic EQ
  • 8 biquadratic filters
  • Drives zero-bias 2-terminal receivers
  • 4 analog inputs
  • 4 fully configurable memories with audible memory change indicator
  • 2 memory select pads
  • Internal or external volume control
  • AGCo with variable threshold, time constants, and optional adaptive release
  • 16 kHz or 8 kHz bandwidth
  • Optimized programming speed

  • thinSTAX® enabled:
    • 0.215 x 0.124 x 0.065 in.
    • [5.46 x 3.15 x 1.65 mm]

  • SOUNDesign® Advanced Research - Adaptive Algorithms:
    • Adaptive Noise Reduction 3.0
    • Adaptive Feedback Canceller 2.0

  • Exceeds SOUNDDesign® Requirements:
    • Bandwidth of 125 Hz - 16 kHz
    • >95 dB dynamic range
    • >93 dB output dynamic range
    • Low noise
    • Frequency response shaping

  • Advanced signal processing:
    • Minimum 20 bit end-to-end audio path
    • 2 A/D converters with HRX™ Headroom Extension
    • 4 versatile inputs
    • Advanced battery power management algorithms
    • 4 channel WDRC with fine control of crossover frequency placement
    • Graphic equalizers designed for flexible frequency response shaping
    • Parametric filtering for frequency response smoothing
    • In-channel low level expansion
    • AGC-O with adaptive release functionality
    • Industry standard Sound Design Technologies twin level detectors

  • Multiple sampling rates supported:
    • 32 kHz: unparalleled high fidelity audio quality
    • 16 kHz: lower current consumption

  • Improved hearing in noise:
    • Adaptive Noise Reduction 3.0
    • FRONTWAVE® Directional Processing

  • Improved hearing comfort:
    • 4 fully configurable memories with audible memory change indicator
    • Cross fading between audio paths for click-free memory changes
    • Support for open fittings

  • Industry-leading security features:
    • Protects intellectual property against device cloning and software piracy with:
      • 128-bit fingerprint security to match each hybrid with client software
      • Enhanced ARK software security to match product libraries with client software

  • SDA communication:
    • Advanced communication strategy ensuring fast programming without compromising configuration versatility

  • Hardware:
    • Implemented on the industry-leading VOYAGEUR™ platform
    • 0.215 x 0.124 x 0.065 in (5.46 x 3.15 x 1.65 mm)

  • Fast time-to-market:
    • Application Resource Kit (ARK) software, quickly configures the product for sale
    • ARKonline support, including easy-to-use Wizard for streamlined product component library creation
    • Optional fitting software with updated SOUNDFIT®

  • Manufacturing Ease:
    • Reflowable thinSTAX®
    • Compact size enabling CIC applications
    • All pads located on the perimeter of the hybrid for easy inspection (no center pads)


Block Diagram


GA3217 - Block Diagram




GA3218 - Block Diagram




GA3219 - Block Diagram


* VENTURE™, VOYAGEUR™, SOUNDDesign®, FRONTWAVE®, thinSTAX®, HRX™, SOUNDFIT® are trademarks or registered trademarks of Sound Design Technologies Ltd.

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