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Related Experiment Video

Updated: May 18, 2026

Memorization-Based Training and Testing Paradigm for Robust Vocal Identity Recognition in Expressive Speech Using Event-Related Potentials Analysis
05:48

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Speech enhancement using a structured codebook.

D Hanumantha Rao Naidu1, Sriram Srinivasan, G V Prabhakara Rao

  • 1Sri Sathya Sai Institute of Higher Learning, Prasanthi Nilayam AP 515134, India. dhanumantharao@sssihl.edu.in

The Journal of the Acoustical Society of America
|October 9, 2012
PubMed
Summary
This summary is machine-generated.

This study introduces a hierarchical speech codebook for faster speech enhancement. The new method achieves similar performance to existing techniques but with significantly reduced computational cost.

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Area of Science:

  • Signal Processing
  • Acoustics
  • Computer Science

Background:

  • Codebook-based speech enhancement methods utilize trained speech and noise spectra for effective performance.
  • These methods excel even in non-stationary noise environments but suffer from high computational demands.

Purpose of the Study:

  • To reduce the computational cost of codebook-based speech enhancement.
  • To maintain high performance while improving efficiency.

Main Methods:

  • A hierarchical structure is imposed on the speech codebook.
  • Only relevant likelihood computations are identified and performed, optimizing the process.

Main Results:

  • The proposed method demonstrates performance comparable to the original scheme.
  • A significant reduction in computational cost was achieved.

Conclusions:

  • Hierarchical structuring of speech codebooks offers an efficient alternative for speech enhancement.
  • The method provides a practical solution for reducing computational load without sacrificing performance.