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Speech Processing


Rutgers University

65 total contributions since 2014

Speech processing designates a team consisting of Prof. Lawrence Rabiner (Rutgers University and University of California, Santa Barbara), Prof. Ronald Schafer (Stanford University), Kirty Vedula and Siva Yedithi (Rutgers University). The set of speech processing exercises are intended to supplement the teaching material in the textbook “Theory and Applications of Digital Speech Processing” by L R Rabiner and R W Schafer.
Professional Interests: MATLAB, signal processing, speech processing

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SNR
This MATLAB exercise computes and plots the SNR of a quantized speech file.

2 years ago | 15 downloads |

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Echo Signal
This exercise demonstrates how and echo can be introduced into a signal.

2 years ago | 13 downloads |

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hello_goodbye_world_GUI25
simple test for GUI LITE 25

2 years ago | 5 downloads |

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VQ/VQ Cells
This MATLAB exercise illustrates the cell formation properties of Vector Quantizers.

2 years ago | 17 downloads |

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Spectrogram
This exercise plots wideband and narrowband speech spectrograms for a user-designated speech file.

2 years ago | 32 downloads |

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High Pass Filter Signal
A folder containing functions for some of the exercises dealing with filters.

2 years ago | 34 downloads |

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Log Harmonic Product Spectrum
Plots a sequence of frames of both HPS and LHPS

2 years ago | 12 downloads |

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Filter Signal
Design a filter where an existing speech or audio signal using user-designed LPF, HPF or BPF

2 years ago | 40 downloads |

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AMDF
This exercise computes the short-time average magnitude difference function (AMDF) of a speech frame

2 years ago | 27 downloads |

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ADPCM
Implements an ADPCM coder for waveform coding of speech

2 years ago | 17 downloads |

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Phase Vocoder
This MATLAB exercise implements a phase vocoder.

2 years ago | 29 downloads |

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Subband coders
This MATLAB exercise implements a two-band subband coder.

2 years ago | 9 downloads |

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p Tube Vocal Tract
This exercise computes the frequency response of a p-tube model of a human vocal tract.

2 years ago | 11 downloads |

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Waveform Similarity and Overlap Add (WSOLA) for Speech and Audio
implements the WSOLA method of Verhelst and Roelands for for High Quality Time-Scaled speech

2 years ago | 19 downloads |

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Isolated Digits Record
Implements a speaker trained, template-based, isolated digit recognizer

2 years ago | 10 downloads |

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Bayesian VUS Classifier
This exercise utilizes four programs to train a Bayesian classifier and classify frames of signals.

2 years ago | 9 downloads |

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Zoom Strips Plot
A simple way to visualize and understand speech waveforms by plotting and examination.

2 years ago | 7 downloads |

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Three Tube Vocal Tract
This exercise computes the frequency response of a three-tube model of a human vocal tract.

2 years ago | 11 downloads |

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Cepstrum Computation FIR
This exercise compares three algorithms for computing the complex cepstrum of two finite sequences.

2 years ago | 9 downloads |

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Two Tube Vocal Tract Model
Computes the frequency response of a two-tube model excited at the glottis and terminated at lips.

2 years ago | 27 downloads |

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Composite Vocal Tract
Illustrates vocal tract response, glottal pulse, radiation response for voiced and unvoiced speech

2 years ago | 7 downloads |

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Sample rate conversion
converts the sampling rate of an existing speech or audio file from its current sampling rate

2 years ago | 13 downloads |

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Windows Comparisons
computes and compares and contrasts the time and frequency responses of 6 L-point commonly used wind

2 years ago | 7 downloads |

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Vowel Synthesis
Synthesizes a vowel sound with a pitch frequency that linearly varies from a user-specified one

2 years ago | 23 downloads |

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Uniform Quantization
This MATLAB exercise illustrates the process of uniform quantization of a speech sample.

2 years ago | 25 downloads |

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Time Domain Features
Examines the behavior of a set of three time domain, short-time features

2 years ago | 15 downloads |

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Statistical Analysis
This exercise estimates the statistical properties of a speech signal, namely the PDF.

2 years ago | 35 downloads |

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spectral smoothing
This exercise smooths the log magnitude spectrum of a frame of voiced speech using liftering.

2 years ago | 16 downloads |

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Single Pole Cepstrum
This exercise compares and contrasts three methods for computing the complex cepstrum of a signall.

2 years ago | 9 downloads |

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Record Display Speech
Record your own speech file to use for other exercises.

2 years ago | 21 downloads |

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