Voice Conservation & Recognition

Filters

ByArfeen Ahmed Ali

IntroductionSpeech Signal Processing

Fast Fourier TransformDiscrete Cosine TransformDiscrete Tchebichef Transform

Fast Fourier TransformTime Domain to Frequency Domain

Frequency Domain to Time Domain (Inverse)

Discrete Cosine Transform

Discrete Tchebichef Transform

FiltersRemoves unwanted frequenciesWindowing (windows)

ApplicationsRecognition of Male & Female Voice

Voice lock

Applications (Cont.)Voice Changer

Silence Detector

Audio FiltersNoise Reduction