Evaluation of the effects of aperiodic components on a periodicity measure of voiced speech
J. C. Bancroft · The Journal of the Acoustical Society of America · 1979
A measure for quantifying the periodicity of normal and abnormal voiced speech was developed using the modified short time auto-correlation function. [J. C. Bancroft, J. Acoust. Soc. Am. Suppl. 1 65, S67 (1978)]. The aperiodic components within the voiced waveform are not evaluated with equal weighting when processed by this periodicity measure. The effects of shimmer, jitter, additive noise, and additive periodic noise were identified and their influence and contribution to the overall periodicity measure were evaluated. These results will be presented along with the effects of anti-aliasing filters on the measure.