Think about the last time your phone made a sound you actually noticed, a payment confirming, a message sending, an app finishing a task. Now think about whether that sound matched the brand it came from. For most apps, the honest answer is "no idea", because UX sound is usually an afterthought, a default system tone nobody designed on purpose.
What UX sound design actually covers
UX sound design is the deliberate creation of the small audio moments inside a digital product: notification tones, success chimes, error states, loading sounds, onboarding flourishes, transition swooshes. Individually they're tiny, a fraction of a second each, but they're some of the most frequently heard sounds a brand produces, often played hundreds or thousands of times per user per month. A 30-second ad runs once; a notification chime runs every day, for years.
Why most companies skip it
Visual UX has a mature discipline behind it, design systems, component libraries, accessibility standards. Audio UX rarely gets the same treatment, partly because it's not visible in a screenshot or a Figma file, and partly because most product teams don't have anyone whose job is specifically sound. That's exactly why it's an opportunity: research from Ipsos puts sonic assets at only around 8% of brand assets industry-wide, despite outperforming visuals on memorability and recall.
Getting it right
Start from the brand, not the platform. A confirmation chime should sound like it belongs to the same brand as your TV ad or sonic logo, built from the same melodic and tonal DNA, not picked from a generic sound-effects library.
Design for repetition. A sound a user hears once a year can be bold. A sound they hear fifty times a day needs to be short, low-fatigue, and pleasant on the fiftieth listen, not just the first.
Design for context. Notification sounds get heard in quiet rooms, noisy commutes, and silent-mode vibrations. Good UX sound design accounts for the realistic range of listening environments, not just a studio monitor.
Document it. A short UX sound guideline, which tone for which action, volume and length conventions, dos and don'ts, keeps every future feature release consistent, the same way a component library keeps visual design consistent.
Where it fits into a bigger sonic identity
UX sound rarely stands alone, it's one layer of a complete sonic branding & music strategy, alongside a sonic logo and brand anthem, all composed together so a user recognises the brand whether they're watching an ad or unlocking the app. If your product makes sounds nobody designed on purpose, that's usually the easiest place to start fixing it. Curious what that would look like for your product? Check our FAQ or get in touch.