On , ÐÂÔÂÈç¹³ &lt;46620410@qq.com&gt; wrote:<br />&gt; &nbsp;&nbsp;&nbsp;&nbsp; I want to learn some Linux audio&nbsp; related technologies, and going to start from ALSA.<br /><br />It is easier to start with JACK. <br /><br />If you understand the code in this file, then you understand the basics behind writing a JACK audio program.<br />https://github.com/jackaudio/example-clients/blob/master/simple_client.c<br /><br />It is much harder to learn to code for ALSA, as there are many steps involved before you can play sound. <br />Make life easy for yourself and let JACK do that hard work: stand on the shoulders of giants. -Harry