Material Copyright © 2025 ESPICO Ltd

Specialists in Speech and Audio Software Development

LC3+ Encoder and Decoder

Features

• Compliant with the ETSI TS 103634
• Support for 8, 16, 24, 32, 44.1, 48 and 96 kHz sampling rates
• Support for 10ms, 7.5ms, 5ms and 2.5ms frames
• Support for High Resolution mode

Availability

ESPICO’s optimised solution can be ported to any platform. Platforms supported include:

• ARM Cortex M4
• ARM Cortex M33
• ARM Cortex M55 including Helium

C3+ (low complexity communication codec) is an audio codec described in ETSI TS 103634.

LC3+ is intended to be low complexity to reduce power consumption. ESPICO offer highly optimised, platform specific implementations yielding industry leading CPU utilization performance metrics.