#!/bin/bash
while [ true ]
do
	aplay -Dhw:0,3  -c 2 test.wav & 
	aplay -Dhw:0,7  -c 2 test.wav & 
  sleep 1 
	pkill  -SIGTERM aplay
	ll=1
	while [ $ll ]
	do
		num=`ps -e|grep aplay|wc -l`
		echo $num
		if [ $num -ne 0 ];then
			echo "err close"
			pkill  -SIGTERM aplay
			echo $?
			sleep 1
		else
			break
		fi
		
	done
done