[Retracted] Optimization Simulation of English Speech Recognition Accuracy Based on Improved Ant Colony Algorithm

Table 1

Comparison of speech recognition rate with different signal-to-noise ratio and vocabulary.

Number of words	Algorithm	Signal to noise ratio (dB)
		15	20	25	30	Clean
10	Traditional algorithm	88.39	88.83	89.67	90.25	90.78
	Improved ant colony algorithm	94.15	95.08	95.52	96.88	98.82
20	Traditional algorithm	87.62	87.81	88.24	89.03	89.82
	Improved ant colony algorithm	93.73	94.50	95.23	96.96	98.29
30	Traditional algorithm	87.41	88.53	89.41	90.03	90.12
	Improved ant colony algorithm	92.53	93.41	94.74	96.18	97.69
40	Traditional algorithm	87.85	88.38	89.76	90.62	91.54
	Improved ant colony algorithm	90.17	93.80	94.53	95.86	97.12
50	Traditional algorithm	86.62	87.16	88.13	88.84	90.42
	Improved ant colony algorithm	92.57	93.85	94.48	95.86	96.83