Objective Evaluation Method of Broadcasting Vocal Timbre Based on Feature Selection

Table 7

Results of hidden layer node number.

Number of hidden layer nodes	50	100	150	200	250	300
Accuracy/%	93.64	93.98	94.21	94.97	94.32	93.57
Training duration/s	2631.7	3409.4	4194.2	5094.8	5901.6	8004.9