Fix insertSilence for 8-bit
Fix insertSilence for 8-bit

ericariyanto/securimage,Priyank57/securimage,primrix/securimage,Priyank57/securimage,dapphp/securimage,spandansingh/securimage,dapphp/securimage,spandansingh/securimage,ericariyanto/securimage,dapphp/securimage