(1)<p>DiffPop = Different population, different sex; DiffSex = Same population, different sex; SameSex = Same population, same sex.</p><p>Significant p-values in bold-italics (for abbreviations of social contexts see <a href="http://www.plosone.org/article/info:doi/10.1371/journal.pone.0097244#pone-0097244-t003" target="_blank">Table 3</a>).</p
<p>F-ratio (F) and p-value (p) for: mean fundamental frequency (F0mean), coefficient of variation (F...
The line shows the predicted relationship from averaging of the best fitting general linear models; ...
<p>F0 and its harmonics are sharp peaks at 220 Hz and integer multiples. Formants (F1, F2, F3) can b...
<p>Scatter plots are separated by sex and population. Arrows indicate the direction of the three par...
<p>a) The first two linear discriminant functions (LD) of syllable parameters in different context r...
There is an error in the fifth row values for Table 1. Please see the correct Table 1 here. Addition...
<p>PERMANOVA results for the two-way crossed design, with geographical group and sex as factors, and...
<p>F-ratio (F) and p-value (p) for: mean fundamental frequency (F0mean), coefficient of variation (F...
<p>Statistically significant results (<i>p</i><0.05) are indicated in bold. Statistically significan...
<p>The error bar graphs show the mean (±95%CI) frequency values of the first four formant (F1–F4) ac...
Singing not only requires good voluntary control over phonation and a musical ear, it also demands c...
For each acoustic feature, a subsample of 1000 randomly selected vocal signals (500 male and 500 fem...
<p>The left column is females and the right column is males. The top row is the isolated condition, ...
<p>Box plots are separated by sex and population. Abbreviations and colours as in <a href="http://ww...
<p>Male vs. female voices in men compared to MtFs (blue) and in women compared to MtFs (red).Paramet...
<p>F-ratio (F) and p-value (p) for: mean fundamental frequency (F0mean), coefficient of variation (F...
The line shows the predicted relationship from averaging of the best fitting general linear models; ...
<p>F0 and its harmonics are sharp peaks at 220 Hz and integer multiples. Formants (F1, F2, F3) can b...
<p>Scatter plots are separated by sex and population. Arrows indicate the direction of the three par...
<p>a) The first two linear discriminant functions (LD) of syllable parameters in different context r...
There is an error in the fifth row values for Table 1. Please see the correct Table 1 here. Addition...
<p>PERMANOVA results for the two-way crossed design, with geographical group and sex as factors, and...
<p>F-ratio (F) and p-value (p) for: mean fundamental frequency (F0mean), coefficient of variation (F...
<p>Statistically significant results (<i>p</i><0.05) are indicated in bold. Statistically significan...
<p>The error bar graphs show the mean (±95%CI) frequency values of the first four formant (F1–F4) ac...
Singing not only requires good voluntary control over phonation and a musical ear, it also demands c...
For each acoustic feature, a subsample of 1000 randomly selected vocal signals (500 male and 500 fem...
<p>The left column is females and the right column is males. The top row is the isolated condition, ...
<p>Box plots are separated by sex and population. Abbreviations and colours as in <a href="http://ww...
<p>Male vs. female voices in men compared to MtFs (blue) and in women compared to MtFs (red).Paramet...
<p>F-ratio (F) and p-value (p) for: mean fundamental frequency (F0mean), coefficient of variation (F...
The line shows the predicted relationship from averaging of the best fitting general linear models; ...
<p>F0 and its harmonics are sharp peaks at 220 Hz and integer multiples. Formants (F1, F2, F3) can b...