Shimmer
The shimmer of an audio signal is the cycle-to-cycle amplitude variation of the sound wave.1
Raw Variables
| Variable | Description |
|---|---|
aco_shimmer | Shimmer. Frame-wise measurements of shimmer. |
Derived Variables
| Variable | Description |
|---|---|
aco_shimmer_mean | Shimmer mean. Mean of aco_shimmer across the audio file. |
aco_shimmer_std | Shimmer standard deviation. Standard deviation of aco_shimmer across the audio file. |
- Horii, Y. (1980). Vocal shimmer in sustained phonation. Journal of Speech, Language, and Hearing Research, 23(1), 202-209.↩