How Agencies Can Package Inaudible Tone Activations for Brand Clients

Agencies are often the ones who bring a new channel to a brand. Inaudible tones can be a strong addition to an agency's toolkit because they turn audio a brand already plays, in stores, at events, or in media, into a moment a consumer can act on with their phone. The challenge is packaging it so a client understands what they are buying, what it takes, and how success will be judged. This guide walks through how creative, media, and experiential agencies can turn tone activations into clear, repeatable offers.

Start with the client's moment, not the technology

Clients rarely ask for "inaudible tones." They ask for more foot traffic, better sponsor value, or a way to connect a TV spot to a mobile offer. Lead with the moment the brand already owns:

• An in-store audio loop that could unlock a product page or offer
• An event or venue where a sponsor wants measurable engagement
• A broadcast, streaming, or audio ad that could open matching content on a phone
• A pop-up or brand experience where guests already have their phones out

Then show how a tone links that moment to an action on the consumer's phone, through an app they have chosen to use and with microphone permission they have granted.

Build simple offer tiers

Clear tiers make it easier for clients to say yes and easier for your team to deliver. One way to structure them:

1. Pilot: one location, event, or campaign, a few tone moments, one app experience, and a short report. Built to answer "does this work for our audience?"
2. Campaign: several locations or media placements, more tone moments, creative for each, and reporting during and after the flight.
3. Program: an ongoing setup across a brand's locations, events, or media calendar, with regular content refreshes and recurring reporting.

Each tier should list what is included, what the client must provide, and what is out of scope. That clarity protects margins and the client relationship.

Know what the client has to provide

Tone activations depend on pieces the agency may not control. Spell them out early:

• An app to host the experience. The brand's own app, a partner's app, or one built for the program. The app must support tone recognition and ask for microphone access.
• Audio playback. Speakers in the store or venue, or the media channels carrying the ad or program.
• Content for each tone. The offer, page, video, or interaction that opens when a tone is recognized.
• Legal and privacy review. The client's team should review consent language, data use, and the privacy policy before launch.

Our post on inaudible tones for retail and in-store experiences covers the on-site side in more detail.

Make consent part of the creative

Consent is not just a legal step. It is part of the experience the agency designs. Consumers should know why the app wants microphone access, what they get in return, and how to turn listening off. A short, honest explanation at the right moment tends to earn more trust than a vague prompt. Our consent and permission UX checklist is a useful handoff for the client's product and legal teams.

Agree on measurement before launch

Agencies win renewals when results are clear and honest. Before the activation starts, agree with the client on:

• Opt-in rate: how many app users granted microphone access
• Triggers per moment: how often each tone was recognized
• Actions taken: offers saved, pages viewed, votes cast, or purchases where tracking allows
• What will be shared: which data goes to the brand, the agency, and any partners

Report what the data shows, including what did not work. Avoid inflated or modeled numbers that cannot be traced to real events.

Run a tight pilot

A good first pilot is small and focused:

1. Pick one location or campaign and two or three tone moments.
2. Test playback in the real environment, at real volume, with real background noise.
3. Launch with clear consent messaging in the app.
4. Review results with the client and decide together what to scale.

A clean pilot gives the agency a case study and gives the client confidence to move into a campaign or program.

Frequently asked questions

Do consumers hear the tones?

The tones are designed to be inaudible to most people, so they play alongside music, announcements, or program audio without interrupting it.

Does the brand need its own app?

The experience runs in an app that supports tone recognition. That can be the brand's app, a partner's app, or one built for the program.

How should an agency price a tone activation?

Price around what you deliver: the pilot, campaign, or program scope, the creative and testing work, and the reporting. Scope it in writing so the client knows what is included.

Who at GhostTones works with agencies?

CEO Curtis and CRO Jerry Reid work with agencies and their brand clients to scope pilots, plan tone moments, review consent messaging, and set up measurement.