Speech scientists are developing a system that can monitor fatigue levels by looking for signs of tiredness in the voice, with plans for its initial use by heavy construction vehicle drivers. Matthew Stock reports.
01:12
01:02
00:47
01:31
01:04
01:57
00:43
00:37
01:41
01:29
01:12
01:16
01:22
00:52
01:40
02:13
01:09
01:44
01:16
01:34
01:12
01:02
02:01
01:40
01:36
01:30
01:13
01:38
01:23
01:21
01:09
02:37
02:33
02:55
02:27
01:44
00:31
01:22
01:10
01:01
01:12
01:16
00:52
01:34
01:05
01:10
00:56
01:21
01:25
01:22
00:40
01:06
01:09
01:29
01:07
01:01
02:39
01:22
01:08
01:03
01:57
01:30
02:27
05:16
01:05
00:48
02:16
02:20
01:46
01:09
01:07
01:23
01:26
01:25
01:22
01:57
04:11
02:05
01:48
00:56
00:43
01:29
01:41
01:44
01:50
02:02
02:02
01:16
01:26
01:26
01:01
02:52
01:45
01:08
01:19
01:16
00:49
01:01
01:24
02:20
01:28
01:48
02:33
01:28
03:40
01:05
01:15
01:28
01:24
01:50
02:10
01:14
02:04
01:04
01:53
01:14
01:08
01:34
01:34
01:19