Speech analysis is the study of speech signals and their characteristics in order to understand, interpret, and extract meaningful information from spoken language. This research area encompasses various techniques and methodologies for analyzing and processing speech, including acoustic, phonetic, and linguistic analysis. Speech analysis is used in a wide range of applications, such as speech recognition, speaker identification, emotion detection, and language assessment. Researchers in this field focus on developing algorithms and models to improve the accuracy and efficiency of speech analysis systems for both practical and scientific purposes.