Radio controller using speech for the blind
Journal
Critical Reviews in Biomedical Engineering
Journal Volume
26
Journal Issue
5
Pages
362
Date Issued
1998
Author(s)
Abstract
This paper describes a low-cost, portable real-time DSP-based speech controller system to provide radio interface control command applications for the blind. The system recognizes spoken Mandarin Chinese words on a DSP chip (TMS 320C31) using a hidden Markov model. The function of the radio set, which includes a tuner, tape, and compact disk, were evaluated under both noisy and noiseless environments. Four subjects took part in the experiment and achieved 83% and 90% mean recognition rates under noisy and noiseless conditions, respectively. In addition, because this system is based on a DSP chip, it can easily be programmed to execute speaker-independent algorithms.
SDGs
Other Subjects
Algorithms; Markov processes; Speech processing; Speech recognition; Hidden Markov model; Radio controller; Mobility aids for blind persons
Publisher
Begell House Inc, New York, NY, United States
Type
journal article