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AI firm Sesame has launched the bottom mannequin that powers Maya, the impressively practical voice assistant.
The mannequin, which is 1 billion parameters in measurement (“parameters” referring to particular person parts of the mannequin), is beneath an Apache 2.0 license, that means it may be used commercially with few restrictions. Referred to as CSM-1B, the mannequin generates “RVQ audio codes” from textual content and audio inputs, in accordance with Sesame’s description on the AI dev platform Hugging Face.
RVQ refers to “residual vector quantization,” a way for encoding audio into discrete tokens referred to as codes. RVQ is utilized in quite a few latest AI audio applied sciences, together with Google’s SoundStream and Meta’s Encodec.
CSM-1B makes use of a mannequin from Meta’s Llama household as its spine paired with an audio “decoder” part. A fine-tuned variant of CSM powers Maya, Sesame says.
“The mannequin open-sourced here’s a base era mannequin,” Sesame writes in CSM-1B’s Hugging Face and GitHub repositories. “It’s able to producing a wide range of voices, nevertheless it has not been fine-tuned on any particular voice […] The mannequin has some capability for non-English languages because of knowledge contamination within the coaching knowledge, nevertheless it possible gained’t do properly.”
It’s unclear what knowledge Sesame used to coach CSM-1B. The corporate didn’t say.
It’s price noting the mannequin has no actual safeguards to talk of. Sesame has an honor system and merely urges builders and customers to not use the mannequin to imitate an individual’s voice with out their consent, create deceptive content material like faux information, or interact in “dangerous” or “malicious” actions.
I attempted the demo on Hugging Face, and cloning my voice took lower than a minute. From there, it was simple to generate speech to my coronary heart’s want, together with on controversial matters just like the election and Russian propaganda.
Shopper Reviews not too long ago warned that many standard AI-powered voice cloning instruments in the marketplace don’t have “significant” safeguards to stop fraud or abuse.
Sesame, co-founded by Oculus co-creator Brendan Iribe, went viral in late February for its assistant tech, which comes near clearing uncanny valley territory. Maya and Sesame’s different assistant, Miles, take breaths and communicate with disfluencies, and could be interrupted whereas talking, very like OpenAI’s Voice Mode.
Sesame has raised an undisclosed quantity of capital from Andreessen Horowitz, Spark Capital, and Matrix Companions. Along with constructing voice assistant tech, the corporate says it’s prototyping AI glasses “designed to be worn all day” that’ll be geared up with its customized fashions.
