In 2018, Amazon appointed a lead UX Sound Designer to develop Astro, its first consumer home robot capable of navigating and interacting within homes. The team faced a critical decision: whether to position Astro as an extension of Alexa or as a distinct character. Ultimately, user testing revealed that people preferred Astro as its own entity, leading to the decision to have Alexa serve as a supporting character while Astro communicated through sound, motion, and facial expressions.
The design process involved defining Astro's character, which included determining its emotional range and how it would express uncertainty without losing user trust. The team emphasized the importance of a cohesive character, as inconsistencies could lead to a disjointed user experience. Astro's wake-up sequence, characterized by a blend of sound and motion, became a highlight during testing, with users describing it as "alive."
Despite progress, the team acknowledged that character development often takes a backseat in product design, which can lead to lifeless devices. The designer urged product leaders to prioritize character definition early in the design process, integrate story and sound into character development, and design for adaptability to create more engaging and responsive products. The full narrative detailing these insights is available on Medium.
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