[Retracted] Waveform Feature Extraction of Intelligent Singing Skills under the Background of Internet of Things

Table 1

Comparison of note extraction algorithms.

Extraction method	Average false detection rate	Average missed detection rate	Average time
Algorithm in this paper	0.07	0.08	1.62
Parallel processing algorithm	0.09	0.11	1.12
Harmonic peak method	0.20	0.09	1.30