Achieving clear, loud, echo-free full-duplex operation on a portable speakerphone represents the ultimate challenge in mobile and hands-free devices. It must be able tolerate extreme Echo-to-Near Ratios (ENR’s) in combination with a wide range of noise and acoustical environments including rooms of all sizes, open and cubicle spaces and even a car at highway speeds. Entertainment products also require the ability to deliver spacious stereo sound that engulfs the listener from a compact device regardless of location.

For Speech

SoundClear® for Portable has the power, range and intelligent adaption to enable clear and natural voice communication under all these conditions.

Features include:

• Both Spectral and Spatial Noise Reduction
• InstantAdapt™ for Changing Noise Environments
• Dual Microphone and Single Microphone Solutions
• High Definition (HD) Wide Band Processing
• True Full Duplex, Echo Free Speakerphone Operation
• FlexEQ™ Dynamic Equalization for Optimum Intelligibility
• Automatic Volume and Level Control
• Spectrally Matched Tx and Rx Comfort Noise

Music and Entertainment Options

SoundClear for Portable includes stereo enhancement options that add realism, impact and emersion to entertainment content including:

• 3D Spatial Expansion
• Bass Boost
• Spectral Enhancement of Compressed Audio (MP3, AAC, WMA)
• Parametric Equalization
• Dynamic Range Control
• Base and Mid/High Enhancement Algorithms
• Tunable to Application

Acoustic Technologies offers a comprehensive sound enhancement solution available for portable speakerphones ranging from mono/voice only applications to premium stereo entertainment systems. We have the expertise, facilities and tools to optimize performance for all design aspects including microphone type, microphone spacing, speaker type, speaker spacing, mechanical design and acoustics.

With SoundClear a portable speakerphone can provide high quality hands-free communication anywhere while transforming a connected smartphone into a robust entertainment device for music, video and games.

In addition to providing the worlds leading voice and stereo algorithms for portable devices Acoustic Technologies offers unrivaled support to minimize development cost, risk and time-to-market:

• SoundTools™ for Real Time Performance Analysis and Tuning
• SoundAdvice™
  • Precision Tuning
  • Real World Testing
  • Differentiating Feature Development