The Illuminated Sounds
Product Design
Aug 2022 - Jan 2023
A new perspective to project sound
Background
The demand for high-volume music consumption has increased with the popularity of rock, EDM, hip-hop, and rap. Many users routinely raise playback levels to enhance immersion, often exceeding 85 dBA—the threshold where prolonged exposure begins to pose hearing risks. Medical data indicates that exposure above 100 dBA for extended durations can result in permanent noise-induced hearing loss (NIHL). Everyday scenarios such as concerts (110 dBA) or personal devices at maximum volume (up to 115 dBA) significantly exceed recommended safe limits.
Current portable speaker designs introduce additional limitations. Most compact speakers project sound primarily in a single direction, creating acoustic imbalance and forcing users to increase volume to compensate for uneven coverage. Headphones, while immersive, position sound directly near the ear canal, amplifying risk when used at high levels. Studies show a measurable increase in early hearing damage indicators among teenagers and young adults due to prolonged exposure to high-volume audio.
Market alternatives reveal a structural tradeoff. Small speakers prioritize portability but compromise sound depth and spatial immersion. Medium-sized speakers improve clarity but lack true multi-directional projection. Large home systems achieve superior 3D sound but are immobile and impractical for everyday transport.
Illuminated Sounds emerges from this gap: a system that combines spatial distribution, modular acoustic layering, and automatic volume stabilization to deliver immersive sound without escalating long-term auditory risk.
Idea + Prototyping
My sketch phase explores ergonomic handling, separable geometry, and acoustic zoning. The cylindrical structure is segmented into stacked units that can operate collectively or be repositioned. Visual development focuses on intuitive disassembly mechanisms and clear user interaction points. Separation logic is mechanical rather than decorative, emphasizing structural function.
The prototype stage validates scale and proportion through 1:1 cardboard modeling. Physical mockups confirm grip comfort, stacking stability, and separable module tolerances. Iterative modeling refines height-to-diameter ratio and confirms the feasibility of modular segmentation. The tangible prototypes demonstrate that the architecture is manufacturable and ergonomically viable.
Final Product
Illuminated Sounds is engineered as a compact, high-performance audio system optimized for spatial sound control and user safety. With a cylindrical form factor measuring approximately 180 mm in length and 65 mm in diameter, it balances acoustic volume with portability, making it suitable for both indoor and outdoor environments.
The device features a three-part detachable architecture. The top and bottom layers are removable, allowing the speaker to be dissected for maintenance, transport, or acoustic customization. Internally, the system is divided into functional acoustic zones: the middle section operates as a midrange driver, the top component functions as a subwoofer for low-frequency reinforcement, and the bottom section integrates a tweeter for high-frequency clarity. This tri-band separation enables a controlled 3D sound effect with improved depth and spatial distribution.
User interaction is streamlined through a minimal hardware interface. Two primary side-mounted buttons manage Bluetooth connectivity and power control. A dedicated volume control slider provides tactile adjustment. Integrated sound pressure monitoring automatically reduces output when levels exceed 80 dBA, stabilizing playback at a safer listening threshold. Over time, the system gradually regulates maximum volume, ensuring sustained comfort without abrupt drops in sound quality.
The enclosure incorporates an outer acoustic mesh for sound dispersion while maintaining structural integrity. LED indicators provide visual feedback on device status. Charging is supported through an integrated port positioned for unobtrusive access.
Scenario Rendering
Designed for shared environments, the speaker directs sound within a defined listening radius, reducing peripheral noise spill. In outdoor scenarios, its optimized projection maintains clarity for listeners within proximity while minimizing disturbance to surrounding areas.
Key attributes include detachable construction, controlled 3D spatial audio, adaptive volume regulation, and portable durability. The result is a compact, intelligent speaker system that integrates modular hardware design with responsible acoustic engineering.
