Enhancing Speech Recognition Using Improved Particle Swarm Optimization Based Hidden Markov Model

Table 2

Sample speech signals used for testing.

Few speech signals
Computer	Water bottle	Season	Dictionary	Electronics	Technology
Software	Mouse	Raining	Commercial	Mechanical	Ocean
Hardware	Blossom	Towel	Intermediate	Medicine	Laptop
Operating system	Control system	System software	Web applications	Speech recognition	Research Centre
Input device	Heterogeneous	Thousand	National	Polar beer	University
Output device	Software engineering	Hundred	Country	Penguin	United states