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ARCON Corporation

 


Digital Speech Processing

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ARCON's Digital Speech Processing group has worked closely with the Speech Group at Lincoln Laboratory since the 1980's. ARCON's relationship with the USAF Comsec Engineering Office coincided with LL's contractual work for the same group. ARCON provided LL with T&E services for speech coder development through the USAF. A direct effort with LL for the collection of a conversational speech in noise corpus was conducted in 1997. A three way program between Motorola, LL and ARCON was conducted for the USAF to generate a Secure Voice Conference Capability using the LL Sine wave Transform Coder (STC), Motorola hardware and ARCON control algorithms. This required close cooperation between ARCON and LL since ARCON's responsibility included the real-time coding of the algorithms. ARCON contracted with LL to provide the DARPA ASE Phase 1 Speech Corpus working very closely on issues of corpus design, sensor optimization and human subjects issues. ARCON continues to work closely with the LL Speech Group as both are part of the DARPA ASE Phase 2 government team.


ARCON's Digital Speech Processing group worked closely with CAIP and their partner Sarnoff Laboratory during the DAPRA ASE Phase 1 program. ARCON provided CAIP with advice on the setup of an Intelligibility test capability. This facility was then used for the evaluation of their ASE coder candidate during its development.


 

ARCON's Digital Speech Processing group work closely with the WPI Electrical Engineering Department during their involvement with the DARPA ASE Phase 1 program. This effort enabled the group to collect speech data in a simulated acoustic noise environment from a small number of talkers using multiple sensors. The sensors include the WPI developed Glottal Transfer Electromagnetic Resonator (GTEM) sensor. This effort allowed WPI to have a speech corpus that was traceable to the ASE Pilot Corpus.

   
   

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This page last updated on 11/10/2004