On March 13th, Sesame unveiled its latest speech synthesis model, CSM, attracting significant industry attention. According to the official introduction, CSM adopts an end-to-end Transformer-based multimodal learning architecture. It understands contextual information to generate natural and emotionally rich speech with stunningly realistic sound. The model supports real-time speech generation, processing both text and audio inputs. Users can also control features such as tone, intonation, rhythm, and emotion by adjusting parameters, showcasing high flexibility. CSM is considered a breakthrough in AI speech technology.

Sesame's newly released Conversational Speech Model (CSM) has recently sparked heated discussions on X, lauded as a voice model that sounds "just like a real person." Its stunning naturalness and emotional expressiveness not only make it indistinguishable from human speech for users, but also claim to have successfully overcome the uncanny valley effect in the field of voice technology. With the spread of demonstration videos and user feedback, CSM is rapidly becoming a leader in AI voice technology.