1. Speech recognition using LMS algorithm
2. Speech compression and decompression using Linear Predictive Coding
3. Secured speech Frequency Transformation system
4. Speech compression using DWT
5. Speech based switching control using MFCC
6. Speed control through Speech using HMM
7. Speech compression using ADPCM
8. Voice activated device control system using LMS
9. Speech recognition using HMM
10. Robotic control through Speech using LPC

1. Implementation of FFT & IFFT for speech signals
2. LPC
3. Wavelet transform (Daubauchies), (Harr)
4. Echo cancellation system
5. Frequency transformation based secured speech transmission system
6. HMM
7. MFCC