https://devzone.nordicsemi.com/f/nordic-q-a/40512/i2s-how-to-get-dataHi: How to get sine_table[] data,like this. int16_t sine_table[]= {0,0,23170,23170,32767,32767,23170,0,0,-23170,-23170,-32768,-32768,-23170,-23170}; NRF_I2S-&gt;TXD.PTR=(uint32_t)&amp;sine_table[0]; NRF_I2S-&gt;RXTXD.MAXCNT=sizeof(sine_table)/sizeof(uint32_ten-USTelligent Community 13Fri, 16 Nov 2018 08:42:15 GMThttps://devzone.nordicsemi.com/thread/157656?ContentTypeID=1Fri, 16 Nov 2018 08:42:15 GMT137ad170-7792-4731-bb38-c0d22fbe4515:8ef6ccc0-3c32-4215-9af5-47fdf59bb447Sigurd<p>Do you have pip installed?&nbsp;</p> <p>Then you could just do &quot;<span id="pip-command">pip install SoundFile&quot; in the command line.</span><i class="fa fa-copy"></i></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/157616?ContentTypeID=1Fri, 16 Nov 2018 02:02:02 GMT137ad170-7792-4731-bb38-c0d22fbe4515:334f1851-2d48-4353-8260-1b0f4259616ejohn.liu<p>hi,</p> <p>Thanks for you help.&nbsp;I downloaded GitHub&#39;s file test. But I was missing some files. Like this.<img alt=" " src="https://devzone.nordicsemi.com/resized-image/__size/320x240/__key/communityserver-discussions-components-files/4/1542333659_2800_1_2900_.png" /></p><div style="clear:both;"></div>https://devzone.nordicsemi.com/thread/157486?ContentTypeID=1Thu, 15 Nov 2018 12:10:39 GMT137ad170-7792-4731-bb38-c0d22fbe4515:580fa608-465a-4558-8e44-2d2122f705f4Sigurd<p>Hi,</p> <p>If you need to to convert the .wav file to a sample .c source file / array, then the python script Convert Audio Sample\conv.py in this <a href="https://github.com/NordicPlayground/nRF52-teensy-sgtl5000-audio/tree/master/Convert%20Audio%20Sample">github repo</a> can be used. Follow the <a href="https://github.com/NordicPlayground/nRF52-teensy-sgtl5000-audio/blob/master/Convert%20Audio%20Sample/How%20To.txt">instructions </a>as specified within that folder to create the sample .c file.</p><div style="clear:both;"></div>