A team from Ruhr-Universität Bochum has succeeded in integrating secret commands for the Kaldi speech recognition system – which is believed to be contained in Amazon's Alexa and many other systems – into audio files. ...
Computer Sciences
Sep 24, 2018
0
12
Microphones, from those in smartphones to hearing aids, are built specifically to hear the human voice—humans can't hear at levels higher than 20 kHz, and microphones max out at around 24 kHz, meaning that microphones only ...
Engineering
Jun 23, 2017
8
734
Research from the University of Sussex suggests that humans are unique among primates in being able to intentionally alter the frequencies of our voices to sound larger or smaller than we really are, a capacity that is likely ...
Plants & Animals
Oct 25, 2016
1
36
The system created by these researchers can be used to automatically adapt the dialogue to the user's situation, so that the machine's response is adequate to the person's emotional state. "Thanks to this new development, ...
Computer Sciences
Nov 21, 2011
5
0
(PhysOrg.com) -- So many insecurities, so little trust. In today's stressed workplace, pitch and volume of conversations matter, according to new research.
Social Sciences
Dec 3, 2010
0
0
As speech recognition systems become more commonplace - on the computer desktop top, at the call centre and even in the car - it is increasingly important to ensure that the voice signal is as clear as possible before it ...
Computer Sciences
Sep 9, 2010
1
0
