By Ralph van Dijk

When brands think about sonic branding, they think about advertising. The sound on the end of the ad. That is the smallest part of where sound actually touches a customer, and the part brands tend to over-index on because it is the most familiar.

Walk through an actual customer journey. The hold music while someone waits to speak to you. The notification a product makes in a hand twenty times a day. The sound design of the app. The playlist in the store or the lobby or the flagship. The audio under a how-to video. The boarding music, the lift, the event. Most brands have a presence in every one of these moments. Almost none of them have decided, on purpose, what any of it should sound like.

So the sound exists. It was just chosen by whoever happened to be there. A facilities manager picked the store playlist. A developer grabbed a default tone. An agency licensed whatever fit the edit that week. None of them were briefed on the brand, because no brief existed. The customer experiences all of it as one brand anyway, and it does not add up.

This is the real role of sound in customer experience, and it is bigger than advertising by an order of magnitude. Advertising is where you tell people who you are. The experience is where you prove it. A premium brand that sounds cheap on hold is contradicting its own positioning at the exact moment a customer is paying attention. A warm, human brand with a cold, robotic interface is undercutting itself in the place it can least afford to.

The reason this gets neglected is structural, not creative. Advertising has an owner. Someone is accountable for it, with a budget and an agency and a sign-off. The sonic touchpoints in customer experience are scattered across teams that do not talk to each other and were never told sound was their responsibility. Product, retail, service, digital, events. Each owns a piece. No one owns the whole. So no one is accountable for whether it is coherent, and it never is.

Fixing it is not a matter of commissioning more music. It is a matter of treating sound as part of the experience rather than an afterthought of the marketing department, and giving the people who own those touchpoints a shared standard to work from. They do not need to become music experts. They need to know what the brand sounds like and how to make a decision that fits. That is what the Sonic Code™ provides: not a single asset, but a set of rules that lets a service designer, a developer and a retail lead all land in the same world without coordinating every choice.

The brands that take this seriously gain something their competitors leave on the table. A coherent experience builds recognition and trust in dozens of small moments that advertising never reaches, and those moments are where loyalty is actually made or lost. It is also the cheapest brand-building available, because the touchpoints already exist. You are paying for them either way. The only question is whether they are working for you.

Sound is already in your customer experience. The choice is not whether to have it. It is whether you designed it.