Title :
Speech quality testing method of Cockpit Voice Recorder
Author :
Xiaochong Li ; Youzhi Yuan
Author_Institution :
Beijing Aeronaut. Technol. Res. Center, Beijing, China
Abstract :
The procedure to quantify the speech intelligibility of Cockpit Voice Recorder is complex and not easy to implement. This paper analyzed the method to estimate the speech quality, and proposed a simple approach for the speech test of Cockpit Voice Recorder.
Keywords :
aircraft instrumentation; recorders; speech intelligibility; voice communication; cockpit voice recorder; speech intelligibility; speech quality estimation; speech quality testing method; Frequency measurement; Frequency modulation; Low pass filters; Noise; Speech; Transfer functions; Cockpit Voice Recorder; Speech Transmission Index; Speech intelligibility;
Conference_Titel :
Electronic and Mechanical Engineering and Information Technology (EMEIT), 2011 International Conference on
Conference_Location :
Harbin, Heilongjiang
Print_ISBN :
978-1-61284-087-1
DOI :
10.1109/EMEIT.2011.6023783
