Hospitality Strategy5 May 20268 min read

Sound, Dwell Time and Customer Spend: How to Evaluate the Relationship

Sound is one part of a venue's commercial experience, alongside food, service, pricing and the reasons people visit.

Warmly lit listening lounge pictured in The Architecture of Sound.

Sound is one part of a venue's commercial experience, alongside food, service, pricing and the reasons people visit. An operator can treat audio as a design investment while measuring its effects rather than assuming a universal increase in spend.

What the research does and does not show

Research on restaurant soundscapes links the sound of a room to how diners judge their experience. It does not show that an audio change reliably increases dwell time or spend. We treat those commercial results as questions to test in the venue, alongside its menu, service and everything else that shapes a visit.

Source: Steffens, Wilczek and Weinzierl (2021), The Soundscape of Restaurants. Frontiers in Built Environment

Some widely quoted figures come from supplier-commissioned music research. That work is interesting background, but it should not be presented as an independent finding or as our own result, and we leave its headline percentages out.

Source: Soundtrack / HUI, music research report (supplier-commissioned). HUI Research

Assess commercial outcomes in the venue

Make the commercial question specific: guest complaints, repeat visits, table-turn policy, staff use or the experience of a particular service. Record a baseline across comparable periods, log the intervention and note changes to pricing, menus, staffing and promotions.

The restaurant study cited here concerns ratings of the soundscape and the venue. It did not measure dwell time or spend, and it is not an audio-intervention trial. Report a local result with its limitations rather than borrowing a research finding as a guaranteed return.

Source: Steffens, Wilczek and Weinzierl (2021), Junk Food or Haute Cuisine to the Ear?

Bisushima restaurant interior pictured in The Architecture of Sound.
Bisushima, Covent Garden. Project illustration from the supplied book; it does not establish measured acoustic or commercial outcomes.

A longer visit is not every venue’s objective

The operator should decide what a successful visit looks like for the concept and service model. Comfortable conversation may be a design priority without longer dwell being the commercial goal. Keep the audio brief and any financial evaluation connected to that actual objective.

Loud is not the same as energetic

Many operators associate energy with volume. Energy really comes from controlled density: music that feels present, conversation that stays clear, and coverage that is consistent rather than full of hotspots and dead zones. Our work on the Claude's members' lounge at Chotto Matte shows what controlled density looks like across a single envelope.

Conversation is part of the product

In hospitality, people consume social time as well as food and drink. When a room makes speech hard to follow, through music competing with speech, reflections blurring consonants or dense ambient noise, people lean in and repeat themselves, and the room feels tiring. Designing music level, placement and coverage around conversation keeps that effort low.

The role of zoning

The Windmill nightclub audio design, Soho London, Sonic Design Studios

Selected work

The Windmill

Audio system design. Pequod Acoustics multi-zone system.

View the project

A venue's areas serve different purposes: a bar may carry more energy, a dining room needs speech clarity, a lounge wants warmth, an entrance sets the tone. Treating every area the same forces one setting across different needs. Zoning lets the system support those differences, and gives staff a practical way to manage them through the day.

Loudspeaker placement

Problems blamed on equipment are often placement. Placement determines coverage consistency, spill, and whether some seats feel overwhelmed while others feel disconnected. In design-led hospitality and restaurant sound system design, placement should be coordinated with lighting, ceilings, joinery and circulation rather than added later, because it is a spatial decision.

How we approach it

We design sound around the way a venue operates and coordinate the system with its spaces, service and visual identity, as an architectural audio consultancy. Where a room needs formal acoustic design, we coordinate with the specialist acoustic consultant. Whether the work pays off commercially is something to measure in the venue, not assume.

Sources

Talk to us about your project

Tell us how the venue is used, which service conditions need attention and what the current system does. We can agree a focused audio review and the right design or specialist scope.

Discuss an audio review for my venue

Tariq Ibrahim

Founder, Sonic Design Studios

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