A new approach to dual channel speech enhancement based on gravitational search algorithm (GSA).
K. PrajnaG. S. B. RaoK. V. V. S. ReddyR. Uma MaheswariPublished in: Int. J. Speech Technol. (2014)
Keyphrases
- gravitational search algorithm
- dual channel
- speech enhancement
- stability analysis
- multi objective
- swarm intelligence
- parameter identification
- noise reduction
- noisy environments
- single channel
- signal to noise ratio
- optimization methods
- convergence rate
- linear prediction
- speech signal
- multi objective optimization problems
- multi channel
- vocal tract
- test functions
- optimization algorithm
- multi objective optimization
- closed loop
- wiener filter
- fuzzy model
- evolutionary algorithm
- genetic algorithm
- ant colony optimization
- nonlinear systems
- mutation operator
- differential evolution
- evolutionary computation
- particle swarm optimization
- metaheuristic
- nsga ii
- optimization problems
- autoregressive