Singing Without a Larynx: A Vowel-Based Real-Time Interface for Embodied Vocal Performance

Demo of Singing Without a Larynx: A Vowel-Based Real-Time Interface for Embodied Vocal Performance at CMMR2025. This demonstration introduces Singing Without a Larynx, an early prototype of a vowel-based real-time vocal interface designed to support creative expression for individuals who have undergone total laryngectomy. Implemented in JavaScript with MediaPipe’s facial landmark detection, the system identifies mouth shapes corresponding to five cardinal vowels /a, e, i, o, u/ and humming (/mː/ nasal phonation) and maps them to sound synthesis in WebPdL2Ork. The project addresses identity restoration through creative expression. Through vowel gestures, openness intensity, and transitions, users shape timbres that range from resonant /A/ tones to crystalline /I/ textures. As a proof of concept, this prototype integrates perspectives from HCI, speech science, vocology, and STS. The demo showcases vowel classification and sonic output, inviting reflection on aural diversity and embodied voice-making to go beyond techno-ableism.