diff -ur v8/gui.py v9/gui.py
--- v8/gui.py	2020-01-26 19:37:29.000000000 +0900
+++ v9/gui.py	2020-01-27 21:45:06.000000000 +0900
@@ -14,6 +14,7 @@
 		hsz = wx.BoxSizer(wx.HORIZONTAL)
 		for o in lst:
 			flag = wx.LEFT | ( wx.RIGHT if o == lst[-1] else 0 )
+			flag |= wx.ALIGN_CENTER_VERTICAL
 			hsz.Add(o, 0, flag, border)
 		flag = wx.TOP | ( wx.BOTTOM if lst == lsts[-1] else 0 )
 		vsz.Add( hsz, 0, flag, border )
@@ -22,6 +23,13 @@
 def set_min_w(o, w):
 	o.SetMinSize((w, -1))
 
+cls_evt_dic = {
+	wx.Button: wx.EVT_BUTTON,
+	wx.ToggleButton: wx.EVT_TOGGLEBUTTON,
+	wx.CheckBox: wx.EVT_CHECKBOX,
+	wx.Choice: wx.EVT_CHOICE,
+}
+
 def init(app, title):
 	rdr = io_ut.reader_new( sys.stdin, 1, no_buf=True )
 
@@ -49,30 +57,48 @@
 
 	frame = wx.Frame(None, wx.ID_ANY, title)
 
+	obj_cls_dic = {}
+	def wx_new(cls, *args, **kwds):
+		(k, w) = ('min_w', -1)
+		if k in kwds:
+			w = kwds.pop(k)
+		o = cls( frame, wx.ID_ANY, *args, **kwds )
+		if w != -1:
+			set_min_w(o, w)
+		obj_cls_dic[o] = cls
+		return o
+
+	def bind_o(o, hdl):
+		cls = obj_cls_dic.get(o)
+		evt = cls_evt_dic.get(cls)
+		if evt:
+			frame.Bind(evt, hdl, o)
+
+	def bind_objs(objs, hdl):
+		for o in objs:
+			bind_o(o, hdl)
+
 	play_lbs = ( ' Play |>', ' Play <|', 'Pause ||' )
-	btn_play = wx.ToggleButton( frame, wx.ID_ANY, play_lbs[0] )
+	btn_play = wx_new( wx.ToggleButton, play_lbs[0], min_w=104 )
 	lb_pause = play_lbs[-1]
 	is_play = lambda : btn_play.GetValue()
 
-	cbox_reverse = wx.CheckBox( frame, wx.ID_ANY, 'reverse' )
+	cbox_reverse = wx_new( wx.CheckBox, 'reverse' )
 	is_reverse = lambda : cbox_reverse.GetValue()
 
 	speed_lbs = ('x4', 'x2', 'x1', 'x0.5')
-	menu_speed = wx.Choice( frame, wx.ID_ANY, choices=speed_lbs )
+	menu_speed = wx_new( wx.Choice, choices=speed_lbs )
 	#menu_speed.SetSelection(2)
 	menu_speed.SetStringSelection('x1')
 	shifts = (2, 1, 0, -1)
 	get_shift = lambda : shifts[ menu_speed.GetSelection() ]
 
-	btn_rw = wx.Button( frame, wx.ID_ANY, '<<' )
-	set_min_w(btn_rw, 40)
-	btn_ff = wx.Button( frame, wx.ID_ANY, '>>' )
-	set_min_w(btn_ff, 40)
+	btn_rw = wx_new( wx.Button, '<<', min_w=50 )
+	btn_ff = wx_new( wx.Button, '>>', min_w=50 )
 
-	btn_div = wx.Button( frame, wx.ID_ANY, '' )
+	btn_div = wx_new( wx.Button, '', min_w=50 )
 	btn_div.Enable(False)
-	area = wx.StaticText( frame, wx.ID_ANY,'-/-' )
-	set_min_w(area, 40)
+	area = wx_new( wx.StaticText, '-/-', min_w=50 )
 
 	def div_update():
 		cmd = 'dbg.out( snd.div_join_label() )'
@@ -86,14 +112,35 @@
 		s = comm(cmd, rdr.readline).strip()
 		area.SetLabel(s)
 
-	pos = wx.StaticText( frame, wx.ID_ANY,'-' )
-	set_min_w(pos, 40)
+	pos = wx_new( wx.StaticText, '-', min_w=50 )
 	def pos_update():
 		cmd = 'dbg.out("{}".format( snd.get_sec() ) )'
 		s = comm(cmd, rdr.readline).strip()
 		s = str( Decimal(s).quantize( Decimal('.01') ) )
 		wx.CallAfter( pos.SetLabel, s )
 
+	btn_save = wx_new( wx.Button, 'save', min_w=50 )
+
+	def save():
+		dlg = wx.FileDialog( frame, style=wx.FD_SAVE )
+		ret = dlg.ShowModal()
+		dlg.Destroy()
+		if ret != wx.ID_OK:
+			return
+
+		name = dlg.GetPath()
+		s = area.GetLabel()
+		s = s.split('/')[0]
+		i = ( 1 if s == '-' else int(s) ) - 1
+		cmd = 'snd.save({}, "{}")'.format(i, name)
+
+		def do_save():
+			s = comm(cmd, rdr.readline) # skip 'OK'
+			frame.Enable(True)
+
+		frame.Enable(False)
+		wx.CallAfter(do_save)
+
 	pos_ev = threading.Event()
 	def th_func():
 		tmout = 0.2 if is_play() else None
@@ -131,6 +178,8 @@
 			s = 'snd.rw()'
 		elif o == btn_ff:
 			s = 'snd.ff()'
+		elif o == btn_save:
+			save()
 
 		if o in (cbox_reverse, menu_speed, btn_rw, btn_ff) and is_play():
 			s = '\n'.join( ( 'snd.stop()', s, 'snd.start()' ) )
@@ -146,18 +195,18 @@
 		th_stop()
 		wx.Exit()
 
-	frame.Bind( wx.EVT_TOGGLEBUTTON, hdl, btn_play )
-	frame.Bind( wx.EVT_CHECKBOX, hdl, cbox_reverse )
-	frame.Bind( wx.EVT_CHOICE, hdl, menu_speed )
-	frame.Bind( wx.EVT_BUTTON, hdl, btn_rw )
-	frame.Bind( wx.EVT_BUTTON, hdl, btn_ff )
-	frame.Bind( wx.EVT_BUTTON, hdl, btn_div )
+	objs = (
+		btn_rw, btn_play, btn_ff,
+		cbox_reverse, menu_speed,
+		btn_div, btn_save,
+	)
+	bind_objs(objs, hdl)
 	frame.Bind( wx.EVT_CLOSE, quit_hdl )
 
 	szr = wrap( [
 		(btn_rw, btn_play, btn_ff),
 		(cbox_reverse, menu_speed),
-		(pos, btn_div, area),
+		(pos, btn_div, area, btn_save),
 	] )
 	frame.SetSizer(szr)
 	frame.Layout()
diff -ur v8/snddiv.py v9/snddiv.py
--- v8/snddiv.py	2020-01-26 19:34:56.000000000 +0900
+++ v9/snddiv.py	2020-01-27 21:45:06.000000000 +0900
@@ -101,18 +101,37 @@
 		lst = get_smp_from_to(sec_f, sec_t)
 		return b''.join(lst)
 
-	def save(sec_f, sec_t, name):
-		dbg.out('save ... ', '')
+	def save(sec_f, sec_t, name, dbg_out):
+		(name, ext) = os.path.splitext(name)
+		if not ext or ext not in ('raw', 'wav', 'mp3'):
+			ext = 'mp3'
+
+		dbg_out('save {}.raw ... '.format(name), '')
 		dat = get_dat_from_to(sec_f, sec_t)
 		with open( '{}.raw'.format(name), 'wb' ) as f:
 			f.write(dat)
+		dbg_out('OK')
+		if ext == 'raw':
+			return
+
+		dbg_out('save {}.wav ... '.format(name), '')
 		cmd = 'sox {} {}.raw {}.wav'.format( opt.get_raw_opt(), name, name )
 		cmd_ut.call(cmd)
+		dbg_out('OK')
+		if ext == 'wav':
+			cmd = 'rm -f {}.raw'.format(name)
+			cmd_ut.call(cmd)
+			dbg_out('delete {}.raw'.format(name))
+			return
+
+		dbg_out('save {}.mp3 ... '.format(name), '')
 		cmd = 'lame {}.wav {}.mp3 > /dev/null 2>&1'.format( name, name )
 		cmd_ut.call(cmd)
+		dbg_out('OK')
 		cmd = 'rm -f {}.raw {}.wav'.format( name, name )
 		cmd_ut.call(cmd)
-		dbg.out('OK')
+		dbg_out('delete {}.raw'.format(name))
+		dbg_out('delete {}.wav'.format(name))
 
 	last_sec = opt.byte_to_sec( len(dat) )
 
@@ -184,7 +203,7 @@
 
 	return empty.to_attr( e, locals() )
 
-def snd_new(data, sudo_passwd):
+def snd_new(data, sudo_passwd, dbg_out):
 	opt = data.opt
 
 	e = empty.new()
@@ -254,7 +273,8 @@
 
 	def save(i, name):
 		if 0 <= i and i < len(divs)-1:
-			data.save( divs[i], divs[i+1], name )
+			data.save( divs[i], divs[i+1], name, dbg_out )
+		dbg.out('OK')
 
 	def curr_area():
 		n = len(divs) - 1
@@ -292,9 +312,9 @@
 	dbg_out = lambda s, tail='\n': None if silent else dbg.out
 
 	data = data_new(filename_mp3)
-	dbg_out( 'last_sec={}'.format( data.last_sec ) )
+	dbg.out( 'last_sec={}'.format( data.last_sec ) )
 
-	snd = snd_new(data, sudo_passwd)
+	snd = snd_new(data, sudo_passwd, dbg_out)
 
 	rdr = io_ut.reader_new( sys.stdin, 1, no_buf=True )
 
diff -ur v8/snddiv.sh v9/snddiv.sh
--- v8/snddiv.sh	2020-01-26 19:34:56.000000000 +0900
+++ v9/snddiv.sh	2020-01-27 21:45:17.000000000 +0900
@@ -1,5 +1,10 @@
 #!/bin/bash
 
-./stdio.sh ./gui.py "./snddiv.py -silent $1"
+if [ $# == 0 ]; then
+  echo Usage: $0 [-S sudo_pass] filename_mp3
+  exit 1
+fi
+
+./stdio.sh ./gui.py "./snddiv.py -silent $*"
 
 # EOF
diff -ur v8/stdio.sh v9/stdio.sh
--- v8/stdio.sh	2020-01-25 00:55:00.000000000 +0900
+++ v9/stdio.sh	2020-01-27 21:45:06.000000000 +0900
@@ -2,8 +2,10 @@
 rm -f fifo
 mkfifo fifo
 
-$1 < fifo | $2 | tee fifo
-#$1 < fifo | $2 > fifo
+# for debug
+#$1 < fifo | $2 | tee fifo
+
+$1 < fifo | $2 > fifo
 
 rm -f fifo
 # EOF