👉 Wave Mechanism for Acoustic Modeling (WMA) is an efficient and accurate acoustic model engineering technique used primarily in speech recognition systems. Unlike traditional methods such as Linear Predictive Coding (LPC) or Linear Predictive Parametric (LPC-P), WMA operates directly on the raw audio waveform, eliminating the need for precomputed parameters. This approach reduces computational complexity and memory usage while maintaining high speech recognition accuracy. WMA achieves this by using a sliding window technique to capture local spectral characteristics of speech signals, which are then encoded using a combination of linear prediction and nonlinear distortion modeling. This method is particularly advantageous for real-time applications and resource-constrained environments, making it a popular choice in modern speech recognition and synthesis technologies.