PCM\MAZI.M ...\INVMULAW.M ...\WUCHA.M ...\MULAW.M ...\MULA_PCM.M ...\mu_quxian.m ...\MU_WUCHA.M ...\U_PCM.M ...\Mu_mazi.m ...\quxian.m ...\U_PCM.asv ...\Mu_mazi.asv ...\MAZI.asv PCM