语音信号 Resources

Showing items tagged with "语音信号"

MATLAB-based course design for voice signal analysis and processing involving recording personal voice signals, signal sampling, time-domain waveform and spectrogram plotting, filter design using window function method or bilinear transformation with frequency response visualization, signal filtering using custom-designed filters, comparative analysis of pre/post-filtering signals, and audio playback with code implementation details.

MATLAB 269 views Tagged
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This workflow demonstrates comprehensive speech signal processing including reading audio files using MATLAB's wavread function, frame segmentation, windowing, voiced/unvoiced detection, fundamental frequency extraction, LPC parameter analysis using provided lpcfit.m, DTW alignment of voiced segments with pathita2.m, LPC-to-LSP conversion using lpcar2ls.m, and final transformation mapping using MATLAB's newrbe function.

MATLAB 247 views Tagged
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Implementing short-time analysis of speech signals using MATLAB, including voiced/unvoiced decision, pitch period estimation, and experimental report preparation with code implementation details.

MATLAB 297 views Tagged
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This MATLAB-based implementation performs power spectral density estimation on speech signals, providing frequency domain analysis capabilities for audio processing applications. The program utilizes signal processing algorithms to characterize speech frequency properties and energy distribution.

MATLAB 325 views Tagged
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Implementation of dual-channel analog voice signal generation in MATLAB Simulink, featuring PCM encoding, time-division multiplexing, and DPSK modulation for unidirectional transmission through a shared channel. Key modules include Simulink, Communications Toolbox, and Signal Processing Toolbox, accompanied by comprehensive course design documentation.

MATLAB 267 views Tagged
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