Ramesh Amruth/plainpicture
The way you breathe could be giving you away. The patterns of inhalations made by people when they speak seem to be unique to each individual – which means an algorithm can be used to identify the speaker, even if they don’t say anything.
The inhalation sounds are turbulence rather than noises made by vocal chords. Their fingerprint is determined by many factors including lung capacity and the shape of the speaker’s oral passageways. The turbulence is referred to as “intervocalic breath sounds”.
“These breath sounds are evident even in poor quality recordings, like telephone conversations,” says Rita Singh at Carnegie Mellon University in Pittsburgh.
She and her team analysed thousands of recordings of news anchors and people being interviewed on TV news programmes. The team found that when analysing inhalations only, their system could identify the correct speaker out of
from Don T Breathe - Google News http://ift.tt/2jl4cuQ
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