Re: [Jack-Devel] How to capture audio from speaker?

Hi I have install jack_capture and how can I run it? $ jack_capture./jack_captureCannot connect to server socket err = No such file or directoryCannot connect to server request channeljack server is not running or cannot be startedJackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlockJackShmReadWritePtr::~JackShmReadWritePtr - Init not done for -1, skipping unlock>>> jack_client_open() failed, status = 0x11 So I start jackd : $ jackd -d coreaudio then start jack_capture $ jack_capture then it starts to record, but the audio file I got jack_capture_01.wav is just blank Anything wrong?  Thanks ----- Original Message ----- From: Kjetil Matheussen <k.s.matheussen(a)gmail.com> To: garden_9652(a)yahoo.co.jp Cc: "k.s.matheussen(a)notam02.no" <k.s.matheussen(a)notam02.no>no>; "jack-devel(a)lists.jackaudio.org" <jack-devel(a)lists.jackaudio.org> Date: 2019/5/14, Tue 17:51 Subject: Re: [Jack-Devel] How to capture audio from speaker? On Tue, May 14, 2019 at 10:49 AM <garden_9652(a)yahoo.co.jp> wrote: Yes, that's what jack_capture was made for. Just run it without any arguments, and it will record a stereo file, floating point wav, to disk. github page: https://github.com/kmatheussen/jack_capture