Table 1.
Acoustic differences for individual features in the first pulse of one-, two- and three-pulse marmoset phee calls
| One-pulse | Two-pulse | Three-pulse | |
|---|---|---|---|
| Mean ± SD | Mean ± SD | Mean ± SD | |
| Pulse duration (s) | 1.78±0.29 | 1.43±0.27 | 1.17±0.33 |
| Duration to peak frequency (s) | 1.44±0.39 | 1.15±0.31 | 0.93±0.22 |
| Duration from peak frequency to end (s) |
0.34±0.36 | 0.27±0.26 | 0.29±0.29 |
| End frequency (Hz) | 7499.5±892.6 | 7265.5±812.4 | 7127.7±477.5 |
| Mean frequency (Hz) | 7927.6±720.7 | 7816.7±560.5 | 7552.5±357.2 |
| Peak frequency (Hz) | 8555.1±1064.1 | 8373.4±760.2 | 8030.1±566.6 |
| Overall change in frequency (Hz) |
1685.1±883.2 | 1536.1±740.6 | 1343.4±571.2 |
| Slope from pulse onset to peak frequency, slope 1 (Hz/s) |
899.3±510.9 | 986.9±470.5 | 1090.2±509.2 |
| Slope from peak frequency to pulse offset, slope 2 (Hz/s) |
605.2±397.1 | 803.2±435.5 | 784.4±446.8 |