I can't comment on the "power hungry" part, but FLAC only requires and (to my knowledge) has ever only required integer math. Source: just looked at my own FLAC

I can't comment on the "power hungry" part, but FLAC only requires and (to my knowledge) has ever only required integer math. Source: just looked at my own FLAC implementation [1]. [1] https://github.com/astoeckel/libfoxenflac/blob/master/foxen/flac.c https://github.com/astoeckel/libfoxenflac/blob/master/foxen/...