ISTS – Measuring Advanced Digital Hearing Aids

ISTS – A New Measurement Standard Proposal Hearing aids are currently measured using stationary signals, which include sine wave  frequency sweeps and unmodulated noise signals.  These test signals allow for reproducible measurement conditions and are described in ANSI 3.22 {{1}}[[1]] American National Standards Institute (ANSI ). ANSI S3.22-2003. Specification of hearing aid characteristics. New York:…

Read More

The Sounds of Africa – Lions

The Lion Roar is the Voice and Sound of Africa   Off in the distance in the savannahs of Africa, you listen, and a roar comes out of the deep, creating an uneasy trepidation.  The lion’s roar is indeed the voice and sound of Africa.  It sends an awesome message to the world that he…

Read More