Speech enhancement aims to improve speech quality by using various algorithms. The objective of enhancement is improvement in intelligibility and/or overall perceptual quality of degraded speech signal using audio signal processing techniques.
Algorithms
The algorithms of speech enhancement for noise reduction can be categorized into three fundamental classes: filtering techniques, spectral restoration, and model-based methods. • Filtering Techniques :* Spectral Subtraction Method :* Wiener Filtering :* Signal subspace approach (SSA) • Spectral Restoration :* Minimum Mean-Square-Error Short-Time, Spectral Amplitude Estimator (MMSE-STSA) • Speech-Model-Based == See also ==