Specialists in Speech and Audio Software Development

Material Copyright © 2024 ESPICO Ltd

iSAC

Internet Speech Audio Codec (iSAC) is a bandwidth adaptive, wideband and super-wideband speech codec suitable for VoIP applications and streamimg audio. Packet loss concealment (PLC), channel independent and channel adaptive are supported.

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

Features

• Bitrates from 10 to 32 kbps in wideband and 10 to 56 kbps in super-wideband
• Supports 16 kHz and 32 kHz input/output sampling rates
• Frame size of 30 or 60 ms

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
• WebRTC