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About Us
About Us
Consilient develops optimised software algorithms involved in voice, data, fax and video communications. We also provide integrated solutions for the embedded and networked markets.
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Multimedia Codecs
In today's rapidly advancing technological world, high-quality communication and multimedia experiences are essential. Consilient offers a superior range of voice, audio, and video codecs designed to meet the highest performance, reliability, and efficiency standards.
Know MoreVoLTE Voice Engine
In the fast-evolving world of mobile communication, delivering clear, high-quality voice calls over LTE networks has become a fundamental necessity. Consilient's VoLTE Voice Engine is at the forefront of this technological revolution, offering a superior voice-over LTE (VoLTE) service solution.
Know MoreVoice Quality Enhancement
In today's digital age, clear and effective communication is paramount. Whether for business meetings, virtual conferences, or personal calls, superior voice quality can significantly impact the user experience. Consilient's Voice Quality Enhancement solutions are designed to address common audio challenges.
Know MoreAcoustic Beamforming
At Consilient, we are at the forefront of audio innovation, bringing you state-of-the-art acoustic microphone beamforming software that transforms how you capture and experience sound. Our cutting-edge acoustic beamforming products are designed to provide unparalleled clarity and precision.
Know MoreVoIP Call Decoder
Consilient's VoIP Call Decoder is an innovative solution designed to meet the growing demands of Lawful Interception and communication management. This state-of-the-art product is engineered to handle voice, fax, and video data, providing unparalleled capabilities for VoIP decoding.
Know MoreEmbedded Voice Over IP
In the ever-evolving landscape of embedded systems, integrating Voice over Internet Protocol (VoIP) has opened new avenues for communication technology. Consilient has developed a cutting-edge Embedded Voice Over IP (VoIP) product that offers a compact and powerful solution tailored for microcontroller (MCU).
Know MoreSIP SoftModem Server (SSMS)
The demand for efficient and scalable communication solutions has never been higher in today's digital age. Consilient's SIP SoftModem Server (SSMS) is designed to meet this demand, offering a robust and versatile Cloud SIP-based SoftModem server solution.
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LC3/LC3Plus Codec - Low Complexity Communication Codec for Bluetooth LE Audio
The LC3/LC3Plus codec (Low Complexity Communication Codec) is a next-generation audio codec standardized by the Bluetooth Special Interest Group (SIG) and ETSI. Designed to replace the legacy SBC codec in Bluetooth audio, LC3/LC3Plus provides significantly improved audio quality, low power consumption, and high efficiency. It supports both speech and music transmission over Bluetooth LE Audio, offering better performance at lower bitrates.
Technical Specifications - LC3/LC3Plus Codec
| Parameter | Specification |
|---|---|
| Full Name | Low Complexity Communication Codec (LC3/LC3Plus) |
| Standardized By | Bluetooth SIG (LE Audio) and ETSI TS 103 634 |
| Bandwidth | Narrowband, Wideband, Super-Wideband, Fullband (up to 20 kHz) |
| Sampling Rate | 8, 16, 24, 32, 44.1, 48 kHz |
| Bit Rates Supported | 16 to 345 kbps (configurable in 1 kbps steps) |
| Frame Size | 10 ms per frame |
| Codec Delay | ~26-30 ms (end-to-end including Bluetooth stack) |
| Frame Structure | Frame-based with built-in error protection mechanisms |
| Algorithm | Transform-based codec (MDCT) with time-domain pre/post-processing |
| Voice Activity Detection | Optional |
| Error Resilience | High - includes packet loss concealment and bit error robustness |
| Complexity | Low - optimized for low-power embedded devices and wireless links |
Applications Areas of LC3/LC3Plus Codec
Bluetooth LE Audio
- Hearing aids, wireless earbuds, TWS (True Wireless Stereo)
- Audio sharing and broadcast in public spaces
Wearable & IoT Audio
- Smartwatches, fitness trackers with voice capability
- Voice-enabled IoT sensors and devices
Multimedia Messaging and Recording
- Hands-free calling, wireless headsets
- Enhanced intelligibility in low-bandwidth conditions
Professional and Consumer Audio
- Wireless music playback over LE
- Power-efficient audio for portable devices
Performance Summary - LC3/LC3Plus Codec
| Bitrate (kbps) | Speech Quality (MOS-LQO) | Use Case |
|---|---|---|
| 16-32 | ~3.5-4.0 | Low-bitrate speech (hearing aids, voice apps) |
| 48-96 | ~4.2-4.5 | Standard stereo music and VoIP |
| 128-192 | ~4.7 | Near-CD quality audio over Bluetooth LE |
Supported Platforms
- Operating Systems: Linux, Android, iOS, Embedded RTOS
- Architectures: ARM Cortex-A/R/M, NEON/SIMD, x86/x64, MIPS DSP, Andes DSP, Verisilicon ZSP
Why Choose the LC3/LC3Plus Codec?
Replaces SBC with better quality at lower bitrates
Highly efficient and low complexity - ideal for battery-powered wireless devices
Designed for future of Bluetooth audio including LE Audio and Audio Sharing
Strong error resilience and low latency suitable for real-time applications
Backed by Bluetooth SIG and integrated into modern Bluetooth stacks
References & Standards – LC3/LC3Plus Codec
- ETSI TS 103 634 - Low Complexity Communication Codec
- Bluetooth SIG - https://www.bluetooth.com/
- Fraunhofer IIS - LC3/LC3Plus Technology Overview
- Bluetooth LE Audio Specification Documents
