simple_echo\bit2str.m ...........\code_interweave.m ...........\decode_deinterweave.m ...........\devision.m ...........\dh_simple.m ...........\find_head.m ...........\gray_c.m ...........\gray_d.m ...........\hide_simple.m ...........\Readme.txt ...........\simple_param_code.m ...........\simple_param_decode.m ...........\simple_test.m ...........\str2bit.m ...........\toStr.m simple_echo