diff -ur v2/snddiv.py v3/snddiv.py
--- v2/snddiv.py	2020-01-19 16:31:38.000000000 +0900
+++ v3/snddiv.py	2020-01-20 12:13:42.792518000 +0900
@@ -24,7 +24,9 @@
 		if not os.path.exists( name_mp3 ):
 			dbg.err_exit( 'not found {}'.format(name_mp3) )
 		cmd = 'lame --decode {} > /dev/null 2>&1'.format( name_mp3 )
+		dbg.out('make {}.wav ... '.format(name), '')
 		cmd_ut.call(cmd)
+		dbg.out('OK')
 
 	def raw_opt_new():
 		cmd = 'sox --info {}.wav'.format(name)
@@ -59,7 +61,9 @@
 		if os.path.exists( name + '.raw' ):
 			return
 		cmd = 'sox {}.wav {}.raw'.format(name, name)
+		dbg.out('make {}.raw ... '.format(name), '')
 		cmd_ut.call(cmd)
+		dbg.out('OK')
 
 	make_wav()
 	opt = raw_opt_new()
@@ -72,8 +76,10 @@
 	n = opt.byte_per_smp
 	m = len(dat) // n
 
+	dbg.out('make smp_lst ... ', '')
 	smp_lst = list( map( lambda i: dat[i*n:i*n+n], range(m) ) )
 	smp_rlst = smp_lst[::-1]
+	dbg.out('OK')
 
 	def get_smp_sec(sec, reverse):
 		m = opt.smp_sec(sec)
@@ -89,7 +95,7 @@
 
 	return empty.new( locals() )
 
-def play_new(dat, opt, r_rate=1.0):
+def play_new(dat, opt, sudo_passwd='', r_rate=1.0):
 	e = empty.new()
 	e.dat = dat
 	e.run = False
@@ -100,14 +106,9 @@
 	last_sec = opt.byte_to_sec( len(dat) )
 
 	def proc_new():
-		sudo_passwd = ''
 		cmd = 'play {} -'.format( opt.get_raw_opt(r_rate) )
-		if sudo_passwd:
-			cmd = 'sudo -S ' + cmd	
 		PIPE = cmd_ut.PIPE
-		proc = cmd_ut.proc_new(cmd, stdin=PIPE, stdout=PIPE, stderr=PIPE)
-		if sudo_passwd:
-			proc.write_stdin_flush( sudo_passwd + '\n' )
+		proc = cmd_ut.proc_new(cmd, stdin=PIPE, stdout=PIPE, stderr=PIPE, sudo_pw=sudo_passwd)
 		return proc
 
 	def update():
@@ -164,21 +165,34 @@
 
 	return empty.to_attr( e, locals() )
 
+def get_args():
+	av = sys.argv[1:]
+	k = '-S'
+	sudo_passwd = ''
+	try:
+		if k in av:
+			i = av.index(k)
+			av.pop(i)
+			sudo_passwd = av.pop(i)
+		return ( av[0], sudo_passwd )
+	except:
+		dbg.err_exit( 'Usage: {} [{} sudo_passwd] filename_mp3'.format( sys.argv[0], k ) )		
+
 if __name__ == "__main__":
-	if not sys.argv[1:]:
-		dbg.err_exit( 'Usage: {} filename_mp3'.format( sys.argv[0] ) )
+	( filename_mp3, sudo_passwd ) = get_args()
 
-	data = data_new( sys.argv[1] )
+	data = data_new(filename_mp3)
 	dbg.out( 'last_sec={}'.format( data.last_sec ) )
 
 	opt = data.opt
 	dat = data.get_dat_sec(10, False)
-	play = play_new(dat, opt)
+	play = play_new(dat, opt, sudo_passwd)
 
 	while True:
 		dbg.out('snd> ', '')
 		s = sys.stdin.readline()
 		if not s:
+			dbg.out('')
 			break
 		exec(s)
 # EOF