Sensory experience is the way people perceive, interpret, remember, and emotionally evaluate an environment, product, service, or brand through multiple senses. Visuals often dominate design decisions, but sound texture and scent can be equally influential because they shape mood, attention, memory, perceived quality, and a sense of place. Research in multisensory perception shows that the brain integrates signals rather than judging each sense in isolation; studies of music and wine, odor and autobiographical memory, and branded environments demonstrate that nonvisual cues can change behavior and meaning. This makes sound texture and scent essential to inclusive design, retail, hospitality, entertainment, architecture, and digital experiences—not decorative additions applied after the visual identity is complete.
Shapes Sensory Experience Through Multisensory Coherence
Multisensory coherence is the alignment of sensory cues so that sight, sound, scent, touch, and even taste communicate a compatible atmosphere or message. Psychologist Charles Spence, a leading researcher in multisensory perception at the University of Oxford, describes multisensory experiences as interactions in which information from different senses combines to influence perception, cognition, emotion, and behavior. In practical terms, a luxurious visual identity paired with harsh, distorted audio or an unpleasant odor creates sensory incongruence, while coordinated cues can make an experience feel more credible and memorable.
The main hyponyms of multisensory coherence include visual identity, auditory identity, olfactory identity, haptic identity, and environmental atmosphere. Visual identity covers color, typography, imagery, and spatial form. Auditory identity includes voice, music, rhythm, silence, and sonic logos. Olfactory identity includes ambient fragrance, material odors, and recognizable product smells. Haptic identity concerns texture, temperature, weight, and vibration. These categories overlap: a soft color palette may be reinforced by warm lighting, low-frequency sound, smooth materials, and a subtle woody scent.
The relevance is both commercial and social. The World Health Organization estimates that more than 1.5 billion people worldwide live with hearing loss, while the number could rise to more than 2.5 billion by 2030 if current trends continue. Designing only for visual recognition therefore excludes important forms of perception and communication. A strong sensory strategy should provide redundant information—such as captions, visual alerts, readable signage, and tactile feedback—rather than assuming that one sensory channel works for everyone.
Sound Texture Is an Auditory Attribute of Experience
Sound texture is the perceived character or surface quality of sound. It is produced by timbre, frequency distribution, dynamics, rhythm, reverberation, spatial position, density, and the relationship between sound and silence. Two sounds can have the same loudness and pitch but feel completely different: a bowed cello note may seem warm and grainy, while a synthesized tone may seem glassy, clean, or artificial. In design, sound texture is broader than music because it includes footsteps, machinery, room tone, notification sounds, voices, packaging noises, and controlled quiet.
Auditory texture influences perceived time, effort, comfort, and quality. A busy restaurant can feel energetic when its soundscape is intentionally composed, but the same volume may feel stressful when speech is masked by uncontrolled reverberation. Environmental psychologist R. Murray Schafer introduced the concept of the soundscape to describe the total acoustic environment, encouraging designers to consider not just individual sounds but their relationships and cultural meanings.
Sound texture also operates as a brand attribute. A sonic logo, a startup chime, a product click, or a distinctive voice can provide recognition when a screen is not visible. In film and games, low-frequency rumbles can imply danger, while sparse high-frequency sounds can create alertness or vulnerability. The key principle is consistency: a sound should match the product’s function, audience, context, and emotional promise rather than merely being loud or memorable.
Music and Sound Change Interpretation
Music can alter how people interpret otherwise identical visual or physical experiences. In a well-known wine-tasting experiment published by Adrian North in the British Journal of Psychology, French-themed music increased the selection of French wine, while Spanish-themed music increased the selection of Spanish wine. The finding illustrates a priming effect: background sound can activate cultural associations that influence choice without directly describing the product.
Tempo and density can also affect behavior. Faster music may encourage quicker movement in some retail and hospitality contexts, while slower music can support lingering and contemplation. These effects are not universal laws; age, culture, personal preference, acoustic conditions, and task demands all matter. The practical lesson is to test sound in context and measure outcomes such as dwell time, error rate, satisfaction, speech intelligibility, and perceived comfort.
A useful chart for a design review would compare sound attributes—tempo, loudness, spectral brightness, reverberation, and silence—with intended outcomes such as energy, trust, calm, urgency, and intimacy. Such a chart makes the auditory layer discussable in the same way that a color palette or typography system is discussed.
Triggers Memory Through Olfactory Identity
Olfactory identity is the recognizable set of smells associated with a person, product, location, or brand. It may be deliberately designed, as with a hotel lobby fragrance, or incidental, as with the smell of leather in a car, yeast in a bakery, or sunscreen near a pool. Unlike a visible logo, an odor spreads through space and can be encountered before the source is identified. Its effect depends on concentration, cultural association, personal experience, environmental conditions, and individual ability to smell.
The close anatomical relationship between smell processing, emotion, and memory helps explain why scent can feel unusually evocative. Rachel Herz and colleagues have reported that odor-cued autobiographical memories are often experienced as more emotional and more connected to the time of the original event than memories prompted by verbal labels. Scent does not guarantee accurate memory, but it can provide a powerful retrieval cue because odor information reaches brain systems involved in emotion and memory with relatively direct connections.
Scent Signals Place, Quality, and Belonging
Scent functions as an environmental signal. The smell of cedar may suggest nature or craftsmanship; citrus may suggest cleanliness or freshness; baked bread may suggest hospitality; antiseptic odors may signal clinical safety but also anxiety. These interpretations are learned and culturally variable, so a fragrance selected for one market may communicate something different in another. Natural variation also matters: allergies, asthma, migraine sensitivity, pregnancy, aging, and temporary illness can change how people respond to scent.
Retailers and hospitality organizations often use scent to distinguish locations and strengthen recall, but olfactory branding must remain restrained. A scent that is pleasant at low intensity can become intrusive at high intensity. It can also create accessibility and health concerns when visitors cannot avoid exposure. Effective practice includes fragrance-free areas, adequate ventilation, disclosure of scented environments, and testing with people who have respiratory or sensory sensitivities.
A case study frequently discussed in sensory-branding literature is Singapore Airlines’ use of a distinctive fragrance associated with its cabin experience. Whether or not such a strategy produces a measurable sales advantage in every setting, the example demonstrates how scent can extend a brand beyond a visual mark and into a repeated environmental ritual. The same principle appears in noncommercial settings: the smell of a particular library, workshop, classroom, or food market can become part of its identity.
Connects Sound, Scent, and Visuals in Real Environments
The strongest sensory experiences are not created by maximizing every stimulus. They are created by assigning each sense an appropriate role. Visuals may explain hierarchy and navigation; sound may communicate change, action, or atmosphere; scent may establish place and memory; touch may confirm quality or operation. When the senses support one another, people can understand an environment more quickly and form a stronger emotional impression.
Retail and Hospitality
A hotel, restaurant, or store can coordinate warm lighting, moderate reverberation, comfortable materials, and a subtle scent to communicate welcome. However, the sensory system must also support practical tasks. Excessive music can make conversation difficult, strong scent can cause discomfort, and reflective surfaces can increase noise. Designers should measure speech intelligibility, sound pressure levels, ventilation, queue behavior, and customer feedback rather than relying only on aesthetic judgment.
Digital Products and Interfaces
Digital products primarily use visuals and sound, but the same principles apply. A notification sound should be distinguishable without being alarming; vibration can supplement visual feedback; captions and transcripts can make audio information accessible; and adjustable sound settings can accommodate different environments. Scent is less common in digital design, although immersive installations, museums, games, and therapeutic environments sometimes use controlled olfactory effects.
Architecture, Museums, and Public Space
Buildings communicate through acoustics and material odors as much as through form. A museum gallery may use quietness to encourage concentration, while a transit station needs clear announcements that remain intelligible over background noise. Public-space designers can map sound sources, reverberation, pedestrian movement, vegetation, food, and ventilation. A sensory map or annotated floor plan is a useful visual tool for showing where sound and scent intensify, disperse, or conflict.
Measures Sensory Quality Through Human Response
Sensory design should be evaluated through human outcomes rather than novelty. Useful measures include recognition rates for sonic cues, time spent in an environment, recall after a delay, perceived comfort, task completion, speech comprehension, purchase behavior, and self-reported mood. For scent, researchers can measure detection, pleasantness, intensity, congruence with the brand, and willingness to return. Because sensory responses vary widely, tests should include diverse participants and both frequent and infrequent users.
A practical research sequence is to establish a baseline, introduce one sensory change at a time, and compare results across contexts. Designers can then test combinations—for example, a visual identity alone, visual identity with sound, and visual identity with sound and scent. This avoids attributing every behavioral change to a single cue and reveals whether additional sensory layers create coherence or overload.
The broader implication is that sensory design is an ethical discipline as well as a creative one. People should not be manipulated through hidden stimuli, overwhelmed by unnecessary intensity, or excluded because an experience assumes typical hearing or smell. Transparent choices, user controls, quiet options, fragrance-free zones, captions, and multimodal instructions make sensory richness more inclusive.
Conclusion: Treats Sound Texture and Scent as Core Design Attributes
Sensory experience is shaped by multisensory coherence, and that coherence extends far beyond visual presentation. Sound texture gives products and places rhythm, emotion, identity, and feedback. Scent creates environmental recognition and can unlock vivid autobiographical memory. Visuals remain essential, but they are most effective when coordinated with auditory identity, olfactory identity, touch, and accessible alternatives.
Organizations should audit their soundscapes and scent environments, document sensory attributes in design guidelines, test them with diverse users, and measure comfort and comprehension alongside attention and sales. Further reading in multisensory perception, soundscape design, olfactory memory, and universal design can help teams create experiences that are not merely attractive, but memorable, usable, emotionally coherent, and respectful of human differences.
Sources: World Health Organization, World Report on Hearing, 2021, https://www.who.int/publications/i/item/world-report-on-hearing; Charles Spence, “Multisensory Perception,” Current Biology, 2020, https://doi.org/10.1016/j.cub.2020.01.016; R. Murray Schafer, The Soundscape: Our Sonic Environment and the Tuning of the World, Destiny Books, 1994, https://www.simonandschuster.com/books/The-Soundscape/R-Murray-Schafer/9780892814558; Adrian C. North, David J. Hargreaves, and Jennifer McKendrick, “The Influence of In-Store Music on Wine Selections,” Journal of Applied Psychology, 1999, https://doi.org/10.1037/0021-9010.84.2.271; Rachel S. Herz and Jonathan W. Schooler, “A Naturalistic Study of Autobiographical Memories Evoked by Olfactory and Visual Cues,” American Journal of Psychology, 2002, https://doi.org/10.2307/1423672; National Institute on Deafness and Other Communication Disorders, Smell Disorders, https://www.nidcd.nih.gov/health/smell-disorders.
