Transcription of Topic: Spectrogram, Cepstrum and Mel-Frequency Analysis
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Topic: Spectrogram, Cepstrum and Mel-Frequency Analysis
Speech Technology - Kishore Prahallad Technology: A Practical IntroductionTopic: Spectrogram, Cepstrum and Mel-Frequency AnalysisKishore PrahalladEmail: Mellon University&International Institute of Information Technology HyderabadSpeech Technology - Kishore Prahallad Spectrogram Cepstrum Mel-Frequency Analysis Mel-Frequency Cepstral CoefficientsSpeech Technology - Kishore Prahallad Technology - Kishore Prahallad signal represented as a sequence of spectral vectorsFFTFFTFFTS pectrumSpeech Technology - Kishore Prahallad signal represented as a sequence of spectral vectorsFFTS pectrumFFTFFTFFTFFTFFTFFTFFTFFTFFTFFTFFT FFTFFTS peech Technology - Kishore Prahallad signal represented as a sequence of spectral Technology - Kishore Prahallad signal represented
– Used for joining two speech segments S1 and S2 – Represent S1 as a sequence of MFCC – Represent S2 as a sequence of MFCC – Join at the point where MFCCs of S1 and S2 have minimal Euclidean distance • Used in speech recognition – MFCC are mostly used features in state-of-art speech recognition system
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