For comparison, Synopsys' LC3 codec implementation: https://www.synopsys.com/dw/ipdir.php?ds=arc_lc3_codec https://www.synopsys.com/dw/ipdir.php?ds=arc_lc3_code

For comparison, Synopsys' LC3 codec implementation: https://www.synopsys.com/dw/ipdir.php?ds=arc_lc3_codec https://www.synopsys.com/dw/ipdir.php?ds=arc_lc3_codec It doesn't seem to be a particularly lightweight codec compared to Opus, or particularly performant.