As new energy vehicles (NEVs) become increasingly prevalent, their inherently quiet operation enhances ride comfort but also introduces new safety risks. Specifically, at low speeds or during reversing, it becomes difficult for pedestrians—especially those with visual or hearing impairments—to detect approaching vehicles, increasing the risk of collisions. In response to this challenge, KEPO has launched its 3-in-1 AVAS (Acoustic Vehicle Alerting System) solution. Through an integrated design, this system unifies essential safety features with enhanced user experience functions.
Leveraging KEPO’s established speaker platform and acoustic tuning expertise, the 3-in-1 AVAS system consolidates multiple sound functions within a single control system:
AVAS Driving Alert Sound: Emits a warning sound at low speeds in compliance with national and international regulations, improving vehicle detectability.
Welcome Sound: Plays a brief audio signal when the vehicle is unlocked or started, enhancing user interaction.
Low Battery Alert: Notifies the driver via sound when the battery level is critically low.
Lock Confirmation Sound: Emits a short alert when the vehicle is locked, confirming status.
Electric Horn Function: Replaces traditional horn circuits, streamlining vehicle wiring and control architecture.
Active Sound Simulation: Synchronously generates dynamic engine-like sound effects based on acceleration, braking, and gear position, enhancing driving feedback.
System Advantages: High Compatibility, Short Development Cycle
The system supports analog signal input and can drive external speakers with output voltages up to 8.94Vrms, providing robust sound pressure output. Various speaker power options are available to meet the requirements of different vehicle types, including city commuters, small commercial vehicles, and mid-to-large SUVs.
Integrated Design: Reduces the need for separate development of AVAS, horn, and audio alert modules.
Modular Configuration: Functions can be enabled or disabled according to specific vehicle requirements.
Acoustic Algorithm Support: Offers a standard sound library along with customized tuning services.
Verified Stability: The system has passed full temperature range validation from -40°C to 85°C, meeting automotive-grade reliability standards.
KEPO’s 3-in-1 AVAS system not only meets regulatory requirements but also optimizes output and integration to support OEMs in streamlining development, enhancing acoustic performance, and ensuring road safety. At this critical stage in electric vehicle advancement, we are committed to delivering practical, reliable, and mass-producible acoustic systems to address real-world challenges faced in vehicle development.
