Praat was also used for voice analyses.
So far, attempts at standardization have focused on facial, body shape, voice analyses, and questionnaires.
Objective and clinical tests are commonly used in evaluating the effectiveness of vocal health programs, such as acoustic and perceptive voice analyses, which are forms of analyzing and quantifying voice quality changes [ 8, 10, 11].
Each of the following subsections deals with one voice parameter analysing if there is a significant difference in the parameter value between adult and older speakers.
Whereas we had one or two voices to analyse in the past, we now have hundreds.
The consistency between the five judges that assessed the pathologic voices was analysed using Kendall's W test. Table 2 shows that there is consistency in all of the parameters of the GRBAS scale between judges.
These voices were analysed perceptually with the GRBAS scale and acoustically using the following parameters: mean fundamental frequency (F0), standard-deviation of F0, jitter (ppq5), shimmer (apq11), mean harmonics-to-noise ratio (HNR), mean first (F1) and second (F2) formants frequency, and standard-deviation of F1 and F2 frequencies.
The project Signature of Humanity (Robinson & Cruz 2013) analyses voice, sms and data traffic in major cities from various continents, to find patterns and differences among nations, to see how these patterns are affected by special events, and if they are differentiated in the different city areas.
Amir Liberman, the chief executive of Nemesysco, denies that it works by chance and says his company's own research shows it is highly predictive of lying even when people are not informed their voice is being analysed.
Using a programme codenamed Tempora, it can store and analyse voice recordings, the content of emails, entries on Facebook, the use of websites as well as the "metadata" which records who has contacted who.
I think that question is important, but I worry that the most influential voices in these analyses will continue foregrounding partisan swings—especially with respect to white suburbanites and whites without a college degree while ignoring fluctuations in turnout, or in the composition of the electorate.
