Pitch estimation of noisy speech signals using EMD-fourier based hybrid algorithm.
Sujan Kumar RoyMd. Khademul Islam MollaKeikichi HiroseMd. Kamrul HasanPublished in: ISCAS (2010)
Keyphrases
- hybrid algorithm
- speech signal
- noisy environments
- speech recognition
- particle swarm optimization
- acoustic features
- formant frequencies
- simulated annealing
- automatic speech recognition
- fundamental frequency
- hybrid method
- ant colony optimization
- differential evolution
- non stationary
- particle swarm optimization pso
- hybrid optimization algorithm
- vocal tract
- tabu search
- automatic speech recognition systems
- standard test problems
- artificial bee colony algorithm
- genetic algorithm
- optimization method
- optimal solution
- speech enhancement
- imperialist competitive algorithm
- empirical mode decomposition
- background noise
- linear prediction
- spectral analysis
- noise reduction
- hidden markov models
- evolutionary algorithm
- hybrid algorithms
- genetic algorithm ga
- sound signals
- speech sounds
- optimization algorithm
- image processing