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An-Najah National University An-Najah National University Faculty of engineering Faculty of engineering Mechanical Engineering Department Mechanical Engineering Department

An- Najah National University Faculty of engineering Mechanical Engineering Department

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An- Najah National University Faculty of engineering Mechanical Engineering Department. Graduation Project. SPEECH RECOGNITION. Supervised by : Dr. Bashir Nouri Prepared By : Jafar M.S Qamhyeh Karem M.Masri Khaled F. Bani Fadel Mohammed M. Abu-Issa. - PowerPoint PPT Presentation

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Page 1: An- Najah National University Faculty of engineering Mechanical Engineering Department

An-Najah National University An-Najah National University Faculty of engineering Faculty of engineering

Mechanical Engineering DepartmentMechanical Engineering Department

Page 2: An- Najah National University Faculty of engineering Mechanical Engineering Department
Page 3: An- Najah National University Faculty of engineering Mechanical Engineering Department
Page 4: An- Najah National University Faculty of engineering Mechanical Engineering Department

How microphone works

Microphone types

Sound Card

Page 5: An- Najah National University Faculty of engineering Mechanical Engineering Department
Page 6: An- Najah National University Faculty of engineering Mechanical Engineering Department

Signal ProcessingSignal ProcessingBreath noiseFiltering Process Types of filter

Butterworth

Page 7: An- Najah National University Faculty of engineering Mechanical Engineering Department

Spectral Analysis.Spectral Analysis.Fast Fourier transform Fast Fourier transform (FFT)(FFT)

Page 8: An- Najah National University Faculty of engineering Mechanical Engineering Department

Parallel port (LPT1)

Pin # Description

1 Status

2-9 Data input/output

10 Input, interrupt generator

11-13 Input

14 In/Out put

15 Input

16-17 In/out put

18-25 GND

Page 9: An- Najah National University Faculty of engineering Mechanical Engineering Department
Page 10: An- Najah National University Faculty of engineering Mechanical Engineering Department
Page 11: An- Najah National University Faculty of engineering Mechanical Engineering Department

MATLAB SOFTWARE MATLAB SOFTWARE MATLAB SoftwareThe MATLAB Mathematical

Function Library The MATLAB LanguageGraphicsSpeech Signal Processing Using

MATLABRecording the signals

Page 12: An- Najah National University Faculty of engineering Mechanical Engineering Department

Signal processingSignal processing

Raw SignalProcessed signal

Page 13: An- Najah National University Faculty of engineering Mechanical Engineering Department

Power density spectrum (Go’s Power density spectrum (Go’s Fingerprint)Fingerprint)

Page 14: An- Najah National University Faculty of engineering Mechanical Engineering Department

Thank You For Good Thank You For Good Listening .Listening .

Page 15: An- Najah National University Faculty of engineering Mechanical Engineering Department

Question Time ……….Question Time ……….


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