The speech signal contains both explicit (linguistic, i.e., the message presented) and implicit (paralinguistic) information such as references to the emotional state of the speaker. Acoustic speech signals are mainly generated by the vibration of the vocal chords, whereby the frequency determines t...
which may then be further mediated by tempo, emotion and timbre. Moving maps, shapes, landscapes and textures may also accompany the colours. The experience is not well represented by the ability to ‘colour-label’ tones and chords in isolation (Curwen,2018; Marks,2011; Mills et al.,2003)...
Each extracted feature has its unique contribution to speech emotion recognition and the extraction methods are described as follows: • Pitch frequency Pitch frequency is caused by speaker's vocal chords vibrating. It is one of the most important features to identify excitation in speech signal ...