
LRAC 2.0: Low-Resource Audio Codec Challenge
The second Low-Resource Audio Codec Challenge, an ICASSP 2027 Grand Challenge on neural speech codecs that run with limited compute.
About LRAC 2.0: Low-Resource Audio Codec Challenge
There are two tracks: Transparency Codecs and Memory-Efficient Transparency Codecs. Registration closes 17 November 2026. Processed test stimuli, system reports and model-design sheets are due 1 December 2026, and final results arrive 21 December 2026. Invited two-page ICASSP papers are due 7 January 2027. The rules list no prizes.
Who can apply
Academia, industry and individual contributors aged 18+, alone or in teams. Excludes Cisco employees and their families, people in Quebec, and residents of Cuba, Iran, Syria, North Korea, Myanmar, Russia, occupied regions of Ukraine and Belarus.
How to get it
- Sign up through the registration link by 17 Nov
- Build a codec for Track 1 or Track 2 using the Cisco baseline repos
- Submit test stimuli and a system report by 1 Dec
LRAC 2.0: Low-Resource Audio Codec Challenge — FAQ
Who can apply for LRAC 2.0: Low-Resource Audio Codec Challenge?+
Academia, industry and individual contributors aged 18+, alone or in teams. Excludes Cisco employees and their families, people in Quebec, and residents of Cuba, Iran, Syria, North Korea, Myanmar, Russia, occupied regions of Ukraine and Belarus.
How do I get LRAC 2.0: Low-Resource Audio Codec Challenge?+
1. Sign up through the registration link by 17 Nov 2. Build a codec for Track 1 or Track 2 using the Cisco baseline repos 3. Submit test stimuli and a system report by 1 Dec
How much is LRAC 2.0: Low-Resource Audio Codec Challenge worth?+
Research challenge. The second Low-Resource Audio Codec Challenge, an ICASSP 2027 Grand Challenge on neural speech codecs that run with limited compute.