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Speech Processing


Rutgers University

Actif depuis 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.

plus de 7 ans il y a | 3 téléchargements |

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

plus de 7 ans il y a | 3 téléchargements |

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hello_goodbye_world_GUI25
simple test for GUI LITE 25

plus de 7 ans il y a | 1 téléchargement |

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

plus de 7 ans il y a | 14 téléchargements |

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

plus de 7 ans il y a | 22 téléchargements |

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

plus de 7 ans il y a | 17 téléchargements |

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

plus de 7 ans il y a | 5 téléchargements |

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

plus de 7 ans il y a | 31 téléchargements |

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

plus de 7 ans il y a | 4 téléchargements |

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ADPCM
Implements an ADPCM coder for waveform coding of speech

plus de 7 ans il y a | 14 téléchargements |

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Phase Vocoder
This MATLAB exercise implements a phase vocoder.

plus de 7 ans il y a | 8 téléchargements |

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

plus de 7 ans il y a | 3 téléchargements |

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

plus de 7 ans il y a | 2 téléchargements |

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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

plus de 7 ans il y a | 3 téléchargements |

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

plus de 7 ans il y a | 2 téléchargements |

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

plus de 7 ans il y a | 6 téléchargements |

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

plus de 7 ans il y a | 1 téléchargement |

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

plus de 7 ans il y a | 3 téléchargements |

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

plus de 7 ans il y a | 1 téléchargement |

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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.

plus de 7 ans il y a | 7 téléchargements |

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

plus de 7 ans il y a | 1 téléchargement |

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

plus de 7 ans il y a | 3 téléchargements |

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

plus de 7 ans il y a | 1 téléchargement |

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

plus de 7 ans il y a | 7 téléchargements |

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

plus de 7 ans il y a | 12 téléchargements |

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

plus de 7 ans il y a | 7 téléchargements |

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

plus de 7 ans il y a | 54 téléchargements |

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

plus de 7 ans il y a | 3 téléchargements |

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

plus de 7 ans il y a | 2 téléchargements |

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

plus de 7 ans il y a | 3 téléchargements |

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