<html><body><div style="color:; background-color:; font-family:MS PGothic, sans-serif;font-size:12pt"><div><span><div style="font-family: "MS UI Gothic", Osaka, Arial, sans-serif; color: rgb(69, 69, 69);">Hi</div><div style="font-family: "MS UI Gothic", Osaka, Arial, sans-serif; color: rgb(69, 69, 69);"><br></div><div style="font-family: "MS UI Gothic", Osaka, Arial, sans-serif; color: rgb(69, 69, 69);">I have install jack_capture and how can I run it?</div><div style="font-family: "MS UI Gothic", Osaka, Arial, sans-serif; color: rgb(69, 69, 69);"><br></div><div style="font-family: "MS UI Gothic", Osaka, Arial, sans-serif; color: rgb(69, 69, 69);">$ jack_capture</div><div style="font-family: "MS UI Gothic", Osaka, Arial, sans-serif; color: rgb(69, 69, 69);"><span><div>./jack_capture</div><div>Cannot connect to server socket err = No such file or directory</div><div>Cannot connect to server request channel</div><div>jack server is not running or cannot be started</div><div>JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock</div><div>JackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock</div><div>>>> jack_client_open() failed, status = 0x11</div><div><br></div><div><br></div><div>So I start jackd :</div><div><br></div><div>$ jackd -d coreaudio</div><div><br></div><div>then start jack_capture</div><div><br></div><div>$ jack_capture</div><div><br></div><div>then it starts to record, but the audio file I got jack_capture_01.wav is just blank</div><div><br></div><div>Anything wrong? </div><div><br></div><div>Thanks</div></span></div></span></div><div><br><blockquote style="border-left: 2px solid rgb(16, 16, 255); margin-left: 5px; margin-top: 5px; padding-left: 5px;"> <div style="font-family: MS PGothic, sans-serif; font-size: 12pt;"> <div style="font-family: MS PGothic, sans-serif; font-size: 12pt;"> <div dir="ltr"> <font size="2" face="Arial"> ----- Original Message -----<br> <b><span style="font-weight:bold;">From:</span></b> Kjetil Matheussen <k.s.matheussen@gmail.com><br> <b><span style="font-weight: bold;">To:</span></b> garden_9652@yahoo.co.jp <br><b><span style="font-weight: bold;">Cc:</span></b> "k.s.matheussen@notam02.no" <k.s.matheussen@notam02.no>; "jack-devel@lists.jackaudio.org" <jack-devel@lists.jackaudio.org><br> <b><span style="font-weight: bold;">Date:</span></b> 2019/5/14, Tue 17:51<br> <b><span style="font-weight: bold;">Subject:</span></b> Re: [Jack-Devel] How to capture audio from speaker?<br> </font> </div> <br>On Tue, May 14, 2019 at 10:49 AM <<a ymailto="mailto:garden_9652@yahoo.co.jp" href="mailto:garden_9652@yahoo.co.jp">garden_9652@yahoo.co.jp</a>> wrote:<br>><br>> Hi<br>><br>> Thank you so much for your quick response.<br>> I'm doing this for a side project, I need to capture the audio from speak and do some other tasks on the audio file once it's saved on disk.<br>><br>> I'll look into jack_capture<br>><br>Yes, that's what jack_capture was made for. Just run it without any<br>arguments, and it will record a stereo file, floating point wav, to<br>disk.<br>github page: <a href="https://github.com/kmatheussen/jack_capture" target="_blank">https://github.com/kmatheussen/jack_capture</a> <br><br><br> </div> </div> </blockquote></div> </div></body></html>