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True Wireless Earbuds Ride New Wave Of Custom Sound

Manufacturers, distributors, and retailers need to empower consumers to make informed choices when choosing TWS earbuds

(image credit: Knowles)

While customized visual designs have long been a consumer favorite, the emergence of sound customization in mainstream products is relatively new. Despite the market’s novelty, consumer demand for hearing personalization is rising – not only in the audiophile community but across all market segments. This evolution makes sense: as individuals perceive colors differently, auditory perception varies significantly from person to person, even under identical listening conditions.

More manufacturers are integrating sound personalization features into modern true wireless stereo (TWS) earbuds to meet the demand. Pairing premium sound design and intricate algorithms, the technology enables listeners to tailor audio output to their unique needs and preferences. The availability of customization features will transform listening experiences, and consumers are ready to reap the benefits.

The Origins of Sound Personalization

Mehul Kochar, Senior Director of Business Development at Knowles Corporation

Customized sound was once siloed to the hearing health and audiophile communities. However, the 2022 ruling establishing an over-the-counter (OTC) hearing aid category for American adults with mild to moderate hearing loss marked a turning point.

Today, people can buy hearing aids without a prescription, evaluate their hearing, and self-adjust their devices using mobile apps. These spiked curiosity about how personalization tools can enhance day-to-day music listening.

Today, consumers are excited by earbuds that can cater to their preferences. TWS manufacturers have risen to the demand: Modern earbuds with hearing personalization empower users to test their hearing ability, identify discrepancies, and adjust audio output in real time via a mobile app. Listeners can identify how their hearing envelope shifts at different listening levels and adjust treble, mid-range, and bass to deliver the precise balance they need – resulting in flexible, favorable sound output that even rivals the natural capabilities of the human ear.

Why Personalization Matters

The recent OTC ruling has helped consumers become more informed about the wide variation in hearing abilities from person to person. Hearing loss affects individuals differently, profoundly impacting some while going unnoticed by others. For example, when listening to music, some people may struggle to hear high-pitched treble melodies, while others may struggle with the low bass range.

Not personalizing listening to accommodate these differences can harm hearing health. For instance, individuals with mild hearing loss in the treble range may turn up the volume to hear fine details in the higher registers. While the intention is to hear better, this practice can put the listener’s entire hearing range at risk of long-term damage.

Hearing personalization allows users to adjust their listening experience to their unique preferences, hearing abilities, and genre selections and prevent long-term hearing damage associated with increased volume levels.

Dissecting Driver Design

A pair of wired IEMs with the Knowles logo rest on a dark tabletop. In the background, they are connected to a DAC/amp system. The right bottom corner features the Knowles and AudioDo logos.
The Audiodo Personal Sound platform works with Knowles balanced armatures to deliver personalized audio with high precision, depth, and detail across the full range of sound.

The right design is required to enable customized sound experiences with TWS earbuds. This begins with achieving high-res, full-range sound. Manufacturers must be incredibly mindful of how their design will deliver an extensive range of sound within a small form factor while also reserving headspace for other high-demand features like active noise canceling, spatial audio, and transparency mode.

Manufacturers are succeeding with modern design strategies and evolutions of long-trusted technologies to achieve high-res sound. For example, they are developing hybrid driver configurations that combine balanced armatures for extended treble range and dynamic drivers that replicate the deep bass of a subwoofer. This approach reduces strain on a single driver, enhancing performance across the frequency range while ensuring that consumers have free reign to boost and reduce sound across the full range.

Modern, high-quality audio components are designed with ultra-compact footprints and low-power operation to reserve ample headroom for additional drivers and codecs. Recent manufacturing advancements allow these components to be built and distributed quickly, in higher volumes than in the past, and at lower price points, making them suitable for various markets.

Understanding earbud design for personalization is multi-faceted: Hardware lays the groundwork for success, and intricate algorithms give consumers the power to enrich their listening experiences like never before.

As consumers look for their next pair of True Wireless Stereo (TWS) earbuds, manufacturers, distributors, and retailers need to empower them to make informed choices based on the design and features available in the product. Educating consumers about the customization and performance capabilities of the earbuds will be crucial to staying competitive and ensuring satisfaction.

See also: Navigating Market Challenges And Driving Growth: Insights From John Riddle, Head Of NATM

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