Complex sentence: CELT (Constrained Energy Lapped Transform) is a free software experimental codec for use in low-latency audio communication meant to bridge the gap between Vorbis and Speex for applications where both high quality audio and low delay are desired.
Split into simpler sentences: CELT (Constrained Energy Lapped Transform) is a free software experimental codec for use in low-latency audio communication. CELT is meant to bridge the gap between Vorbis and Speex for applications where both high quality audio and low delay are desired.