Advanced Research Archive

Sonic Innovations maintains an active research program which publishes regularly. Click on the titles below to download a PDF of that paper.
Note: Pearl is branded as Touch in North America where these papers were published.

Power BTEs:Separating Myth from Fact

April 2010

Comparison of Automatic and Adaptive Directional Behavior Among Competitive Hearing Aids

Dec 2009

Accuracy of Predicted 2cm3 Coupler Gain Values Across Manufacturers

Aug 2009

More Than a "Touch" of Benefit in a New RIC Device

Aug 2009

Determining Moisture Resistance Through Accelerated Product Life Testing

July 2009

Validation of the Noise Reduction Index (NRI)

June 2007

Speech Intelligibility in Noise with Single-Microphone Noise Reduction Implemented in 9-, 16-, and 24-Channel Compressors June 2007
A Model of Hearing Aid Benefit based on Performance Measures August 2006
Benchtop SNR Testing of Open vs Occluded Fittings August 2006
Performance Testing of Open Ear Devices in Noise August 2006
A New Definition for Modern Hearing Aids (web link) April 2005
Clinical Trial of DSP Hearing Instruments (NATURA 2SE vs. Oticon Adapto) September 2004
The Effect of Digital Noise Reduction Time Constants on Speech Recognition in Noise August 2004
The Noise Reduction Index: Benchtop Estimate of SNR Changes August 2004
Virtual Environments of Standardized Validation of Amplification Benefit: Recording & Reproduction August 2004
A Two-Site Field Trial of an Instant Fit Digital Hearing Aid April 2003
Reception Thresholds for Sentences: Female Talker Materials April 2003
Clinical Research Findings Confirm Benefits of Advaced Signal Processing September 2002
Test Paradigm ManipulationDuring the Evaluation of SpeechRecognition in Noise August 2002
Psychophysical Tuning Curves Measured with Hearing Aids: an Alternative Method August 2002
Description, Rationale, and Efficacy of a Digital, Non-Custom,Instant-Fit CIC Hearing Aid August 2002
Benefit from Noise Reduction and Directionality in BTEs April 2002
Effects of Noise Reduction & Directionality in ITEs April 2002
Can Omni - Directional Hearing Aids Improve Speech Understanding in Noise? September 2001
An Aural Rehabilitation Tool for an Instant-Fit Hearing Aid Part 1: April 2001
Clinical Outcomes witn an Instant-Fit DSP Hearing Aid April 2001
Evaluation In-situ Loudness Mapping vs. an Audiogram-Based Fitting Procedure April 2001
Single Microphone NoiseReduction: New Findings April 2001
The Evolution of Multi-channel Compression Hearing Aids April 2001
Patient Complaints in theFrequency and AmplitudeDomains April 2001
Is Equivalent Input Noise anAdequate Measure of AudibleCircuit Noise? April 2001
Improved Speech Intelligibility in Noise with a Single MicrophoneNoise Reduction Technique December 2000
Evaluation of NAL - NL1 Using the NATURA DSP Hearing Aid March 2000
Programming Algorithms for Optimal Telecoil Settings March 2000
Uses of Expansion to Promote Listening Comfort with Hearing Aids March 2000
Noise Reduction in a 9 - Channel DSP Hearing Aid March 2000
Use of a Quality System to Improve Product Performance November 1999
Implementation of a Personal Digital Assistant as a Hearing Aid Fitting/Programming Systems April 1999
Expansion as a Sound Processing Tool in Hearing Aids April 1999
Results from a Clinical Evaluation of a new DSP Hearing Aid Using an Optimized Platform April 1999
An "Optimized" Platform for DSP Hearing Aids August 1998
Optimized Target Matching: Demonstration of an Adaptive Nonlinear DSP System April 1998
Digital Signal Processing (DSP) Derived from a Nonlinear Auditory Model April 1998