Hey folks, Thank you all for the support so far. I did it. Now it is working.
It's a shame to admit but It was the capture sound level that was too low. I used alsamixer and entered in the capture tab (F4) and put all the inputs in the highest level. Regards, On Tue, May 20, 2014 at 7:17 PM, John Syn <[email protected]> wrote: > > From: Eric Fort <[email protected]> > Reply-To: <[email protected]> > Date: Tuesday, May 20, 2014 at 2:13 PM > To: beagleboard <[email protected]> > Subject: Re: [beagleboard] Beaglebone Audio Cape Rev B audio Input > > in my use of audio and this card from the console I found alasmixer much > easier to use. I just went through and set all the levels to 100% and it > works well. Try using alsamixer it should get things fixed up in an easy > and intuitive way. F1 and the man page cover the controls. > > This is true, and if you run alsamixer in a SSH session, it looks much > better than in a tty console like minicom. > > Regards, > John > > > > Eric > > > On Tue, May 20, 2014 at 3:40 AM, Raphael Philipe <[email protected]> wrote: >> >> It seems that I messed with the amixer parameters. Now I can not even >> hear from the speaker test. Is there a way of reseting alsa >> parameters, not only the general audio volume? >> >> I saw something like >> alsactl restore -P >> and removing '/var/lib/alsa/asound.state >> but it didn't work for parameters specifically to the DA830 EVM. >> >> Why the audio cape is recognized as a DA830 EVM? >> >> I suspect that the audio input is not working due to one of that >> parameters. >> >> Regards, Raphael. >> >> On Sun, May 18, 2014 at 8:22 PM, John Syn <[email protected]> wrote: >> > >> > From: Raphael Philipe <[email protected]> >> > Reply-To: <[email protected]> >> > Date: Sunday, May 18, 2014 at 3:30 PM >> > To: <[email protected]> >> > Subject: [beagleboard] Beaglebone Audio Cape Rev B audio Input >> > >> > >> > Hi >> > >> > I've acquired an Audio Cape Rev B >> > http://elinux.org/CircuitCo:Audio_Cape_RevB for my Beaglebone Black. >> > >> > Following the instructions I was able to make it work. The audio >> > playback is >> > working pretty well. However, I cannot test the audio input. I saw that >> > it >> > is a line level input (line in), so it cannot be connected to a regular >> > microphone. >> > >> > I want to test it through an echo scheme. I will produce some sound >> > through >> > q source (connected to the line in input of the cape) and check the >> > response >> > in the audio output, through an earphone. >> > >> > I tried to connect the cape line in to the earphone output of an old >> > cellphone through a male male jack cable (I saw in some forums that the >> > line >> > level is similar to the earphone output of some appliances, apart from >> > the >> > impedance difference.). Unfortunately, it didn't work. >> > >> > The interesting thing is that when the cable is connected to the cape >> > audio >> > input and the other connector is unplluged, I can hear the noise from >> > static, similar to an unplugged to the amplifier electric guitar . >> > >> > Can someone suggest me a simple form to test the audio input? >> > >> > I don’t have the Audio Cape, but I do have a TLV320AIC3106EVM connected >> > to >> > my BBB and it works fine. You may want to try the following command: >> > >> > arecord -r 44100 -c 1 -f S16_LE -t wav -vv -d 25 example.wav >> > >> > This will show you a bar graph in the terminal so you can see the input >> > levels. I would just connect the output from you phone to the line input >> > of >> > your audio cape. In another terminal, run amixer to adjust the input >> > levels. >> > >> > Regards, >> > John >> > >> > >> > Regards. >> > >> > -- >> > For more options, visit http://beagleboard.org/discuss >> > --- >> > You received this message because you are subscribed to the Google >> > Groups >> > "BeagleBoard" group. >> > To unsubscribe from this group and stop receiving emails from it, send >> > an >> > email to [email protected]. >> > For more options, visit https://groups.google.com/d/optout. >> > >> > -- >> > For more options, visit http://beagleboard.org/discuss >> > --- >> > You received this message because you are subscribed to the Google >> > Groups >> > "BeagleBoard" group. >> > To unsubscribe from this group and stop receiving emails from it, send >> > an >> > email to [email protected]. >> > For more options, visit https://groups.google.com/d/optout. >> >> -- >> For more options, visit http://beagleboard.org/discuss >> --- >> You received this message because you are subscribed to the Google Groups >> "BeagleBoard" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> For more options, visit https://groups.google.com/d/optout. > > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. > > -- > For more options, visit http://beagleboard.org/discuss > --- > You received this message because you are subscribed to the Google Groups > "BeagleBoard" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/d/optout. -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. 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