Specialists in Speech and Audio Software Development

Material Copyright © 2024 ESPICO Ltd

SILK

SILK is a superwideband audio codec for real-time, packet-based voice communications. SILK targets a diverse range of operating environments and provides dynamic scalability in several dimensions on a frame-by-frame basis. It adapts to network conditions through dynamic control and/or use of bitrate, packet rate, packet loss resilience and discontinuous transmission (DTX).

The ESPICO implementations are highly optimised, realising low memory and MHz requirements. Contact ESPICO for specific resource requirements.

Features

• Bitrates from 6kbps to 40 kbps
• Supports 8,12,16, 24 kHz sampling rates
• Scalable in audio bandwidth, bitrate and complexity

Availability

ESPICO’s optimised solution can be ported to any platform. Supported platforms include:

• ZSP Cores including ZSP400, ZSP500, ZSP800 families
• ARM including Cortex and NeonTM
• MIPS32 74KTM
• Ceva DSP Cores

Applications

• VoIP
• Audio streaming