Bluetooth^® LE audio testing in a new dimension

December 10, 2025

 

HEAD acoustics, a leading provider of comprehensive audio testing solutions, presents a comprehensive test solution for Bluetooth^® LE Audio, including Unicast and Auracast^™ technologies.

Following a successful beta phase with renowned tech companies, the new labCORE hardware extension together with software extensions for Unicast, Auracast™, and IMP are now available for order and provide a consistent, controlled Bluetooth^® LE audio connection for reliable acoustic measurements using the LC3 codec. The USB connection allows the module to be connected to the labCORE platform immediately, eliminating the need for complex hardware integrations and offering clear advantages in terms of time savings and cost reduction. The modular architecture allows customers to purchase exactly the features they need and expand them as required at any time, including optional packet impairment testing and comprehensive manual connection control for targeted, reproducible testing.

Comprehensive test solution for Bluetooth^® LE Audio

HEAD acoustics already covers the entire test range for classic Bluetooth^® audio applications and now fully integrates both LE audio technologies into the powerful labCORE test front end, which serves as a reference implementation for both Unicast testing (gateway and terminal) as well as for Auracast™ transmitters and receivers. The software-based architecture with integrated LC3 codec enables automated, precise, and practical evaluation of all Bluetooth^® LE Audio scenarios.

In combination with the ACQUA analysis system and the 3PASSlab, 3PASSflex, and 3PASSreverb simulation solutions, HEAD acoustics offers a consistent test environment for all device types and applications.

Complete test solution for the future of Bluetooth^® audio technology

• Unicast and Auracast™ reference client for source and sink
• LC3 codec reference integration for realistic testing
• Seamless integration into the HEAD acoustics test environment
• Automated testing with ACQUA for efficient product development
• Future-proof thanks to software-based implementation
• Robust and customer-tested: reliable in real-world use

Technical features in detail

• PBP/BAP (Public Broadcasting Profile/Basic Audio Profile) for setting up
  and managing Auracast broadcast streams
• TMAP/BAP for controlled setup and management of unicast audio streams
• Published Audio Capabilities Service (PACS) for providing and specifying relevant audio
  and device features
• CSIP/CSIS (Coordinated Set Identification Profile/Coordinated Set Identification Service)
  for the targeted identification and joint control of coordinated sets for synchronous audio streaming
• VCP (Volume Control Profile) based on Voice Control Service for determining and specifying
  the volume status of the device under test

HEAD acoustics LE Audio Testing Product Structure

• coreBT2LE-EVO: Basic hardware product
• coreBT2LE-Auracast™: For Auracast™ broadcast scenarios
• coreBT2LE-Unicast: for typical Unicast device-to-device connections
• coreBT2LE-IMP: extension for Auracast™ and Unicast for simulating impaired radio transmission

With this solution, HEAD acoustics is setting a new standard in Bluetooth^® LE audio testing and helping manufacturers develop their products optimally for the market.

For more information, visit: https://www.head-acoustics.com/technology-focus/bluetooth-le-audio/

Data sheets are available here.