Bristol, UK, 3 December 2025 — S-TRACK, a leading audio-solutions provider in the education sector, has selected the XCORE.AI® platform as the digital signal processing (DSP) engine inside its newly released LARK 1.0 Pro Wireless Microphone.
Purpose-built for teaching and broadcast scenarios, the LARK 1.0 Pro leverages 2.4G wireless transmission and a highly optimised real-time DSP pipeline to deliver a stable, high-clarity audio experience across classrooms and lecture theatres. At the core of this pipeline is the XMOS XCORE.AI, which functions as the main controller and high-performance DSP within the receiver.
XCORE powering S-TRACK’s advanced audio algorithms
Using XCORE’S deterministic, parallel processing architecture, S-TRACK has implemented a multi-stage audio pipeline comprising:
- Acoustic Feedback Cancellation (anti-howling)
- Automatic Gain Control (AGC)
- Adaptive Noise Suppression(NS)
- Room Acoustic Calibration(RAC)
These algorithms work in parallel to continuously shape, clean, and stabilise the teacher’s voice, regardless of room acoustics, background noise, or movement. The deterministic nature of XCORE ensures that every algorithm runs in hard real time, with microsecond-level precision and no jitter, a requirement for stable live reinforcement in classrooms.
Why XCORE.AI was chosen
XCORE.AI delivers:
- High-performance, parallelised DSP compute without a heavy power or thermal footprint
- Low-latency deterministic processing, enabling real-time feedback control and noise suppression
- Flexible I/O to handle multiple interfaces simultaneously
- Cost-efficient integration, ideal for mass-market education deployments
This combination allows S-TRACK to provide premium DSP performance in a compact, reliable and affordable classroom device.
Enabling effective learning in any teaching environment
Clear, consistent audio is one of the most powerful enablers of effective teaching. With the LARK 1.0 Pro, S-TRACK and XMOS are bringing professional-grade DSP into everyday classrooms, ensuring every student hears every word.
The XCORE’s deterministic, real-time signal processing allows the microphone system to intelligently control volume, remove distracting background noise, eliminate feedback, and adapt to different room acoustics as the teacher moves. This creates a more inclusive learning environment where students at the back of the room, those with hearing challenges, or those in acoustically difficult classrooms receive the same clarity as those sitting in the front row.
By reducing vocal strain and allowing teachers to move naturally and communicate freely, the technology not only improves lesson delivery but enhances engagement, comprehension, and overall classroom effectiveness.
“S-TRACK has built an impressive, DSP-rich solution that meets the very real challenges of modern classroom audio.” said Thomas Mu, Sales & Business Development Director Asia at XMOS. “By leveraging the XCORE’s unique parallel architecture, they’ve been able to implement sophisticated, low-latency signal processing in a small, efficient and easy-to-deploy form factor. It’s a perfect example of what XCORE.AI® was designed to enable.”
See the LARK 1.0 Pro at CES
XMOS will be showcasing the S-TRACK LARK 1.0 Pro, powered by XCORE.AI® at CES 2026.
We invite media, partners, and customers to experience the product firsthand and explore how XCORE.AI is enabling next-generation DSP applications.
Book your meeting with the XMOS team at CES:
XMOS is a leader in real-time AI, DSP, and embedded compute. The XCORE platform enables developers to run deterministic signal processing, control, and AI workloads concurrently on a single, software-defined device. For more information about XMOS technology, visit: www.xmos.com
About S-TRACK
S-Track is a leading high-tech company focused on professional audio products with audio DSP at the core and solutions. We provide patented, innovative systems for conference, education, corporate, and public sector applications.
Driven by a vision of digital, networked, and intelligent audio platforms, we are committed to building a smart audio ecosystem for our customers worldwide. For more information about S-TRACK, visit: www.s-track.com.cn
