I'm using this angstrom image and is auto detected by the os, I have seen some time after updating it does not appear, but it happen because not all alsa component updated. this is the image I'm currently using * 'Angstrom-Cloud9-IDE-GNOME-eglibc-ipk-v2012.12-beaglebone-2013.09.05'*
-Pedro On Wed, Oct 9, 2013 at 1:38 AM, Priyank Patel <[email protected]>wrote: > Hi Pedro, > I have bought syba usb audio adapter similar to yours. I plugged it in but > I am not able to see it on command aplay - L. Please let me know how did > you figure out. Also, I would like to know how to set it as default mic in > And output. Thanks. > On Sep 30, 2013 11:37 PM, "Pedro A. Melendez" <[email protected]> > wrote: > >> I'm using SYBA usb audio dongle is 11 bucks and it works. It appears as a >> second audio device if you dont disable the hdmi cape. >> -Pedro >> >> >> On Mon, Sep 30, 2013 at 11:32 PM, <[email protected]> wrote: >> >>> Hi Priyank, >>> >>> the audio cape will do the sampling for you. This will release >>> a great processing burden from the shoulders of the CPU. The >>> A/D-converter (analog to digital converter) of the audio cape >>> will do this for you. >>> In the simpliest case, you only need to grab the samples and put >>> it on SD-card/disc (raw format). This means recording. In case >>> of an hearing aid, this is not that useful, since you will "hear it >>> later", hahahaha! :) >>> Take a deep look into the datasheet of the tlv320aic3106, which is >>> TIs audio processor they put on the audio cape. This little beast is >>> capable of much more than simple sampling. For example you will get >>> a maximum sampling rate of 96 kHz, which means -- capable microphones >>> provided -- you can sample sound up to 24 kHz. >>> One thing: I dont know, how much of the features of this chip are >>> build into the driver! Means: May be you will need to hack the kernel >>> driver a little or a little more... ;) But as there is a driver >>> already there this will not be THAT complicated. >>> To get the cape running with the BBB is a little tricky (driver >>> selection in the kernel (you use Robert Nelsons fantastic kernel?)) >>> and you need to disable HDMI and eMMC as far as I know. >>> But it will definetly run with the BBB after some tweaking (or in >>> other words: I have a BBB and an AUDIO cape and a LCD7 cape (A2) >>> running together nicely after some hacking of the device tree). >>> >>> HTH! >>> Best regards, >>> mcc >>> >>> >>> >>> Priyank Patel <[email protected]> [13-10-01 05:12]: >>> > Thanks for the quick reply. I will be sure to get the audio cape. After >>> > getting the audio cape, I suppose, I need to capture the mic input and >>> > sample it (I think ALSA does that?). Further, I will need to implement >>> DSP >>> > algorithms. I researched on that and found the OMAP built into the >>> > beagleboard (Here I refer to the original beagleboard) has the ability >>> to >>> > do DSP functions via Gstreamer tweaking (gst-dsp project). I am >>> wondering >>> > if there is similar OMAP processor built into beaglebone black (which >>> I am >>> > using for my project). Please, let me know how-to deploy dsp function >>> on >>> > BBLK. Thanks. :) >>> > Priyank. >>> > >>> > On Monday, September 30, 2013 10:53:17 PM UTC-4, [email protected]: >>> > > >>> > > Hi Priyank, >>> > > >>> > > two things to consider: >>> > > For me "hearing aid" implies to increase the volume of a audio >>> > > signal. But you cannot process signals, which do not arrive at the >>> > > A/D-converter. >>> > > The cheap USB-Audio-Dongles have a no stereo mic inout. It is only >>> > > mono (or in other words: All USB-dongles I looked for, have a mono >>> > > input...I didnt find any dongle with a stereo input). A hearing >>> > > aid which feeds the same signal to both ears (mono) will destroy >>> > > the human ability to locate sounds. While crossing over roads (for >>> > > example) >>> > > without being able to locate a sound could be fatal... ;) >>> > > Furthermore it may be possible, that the input amplifier of such >>> > > dongles isn't powerful enough to amplify a mic's signal. May be the >>> > > advertising of such dongles confuses "Line In" with "Mic In" for >>> > > obvious reasons. >>> > > >>> > > >>> > > Best regards, >>> > > mcc >>> > > >>> > > >>> > > >>> > > Priyank Patel <[email protected] <javascript:>> [13-10-01 03:59]: >>> > > > Hello, >>> > > > I was researching within the thread and found out that a USB audio >>> > > dongle >>> > > > might be a cheap alternative to buying a Audio cape. I just wanted >>> to >>> > > know >>> > > > if it would work for my hearing aid application (i.e. to send an >>> input >>> > > to >>> > > > beaglebone black and receiving it back via the same USB audio >>> dongle) >>> > > > p.s. I am not looking to get a very high quality sound, just need >>> to >>> > > make >>> > > > it work. >>> > > > Thanks in advance. >>> > > > Priyank. >>> > > > >>> > > > On Monday, September 30, 2013 4:48:56 AM UTC-4, lisarden wrote: >>> > > > > >>> > > > > probably you should have a look at arecord sources to figure out >>> how >>> > > to >>> > > > > capture samples from a sound card >>> > > > > >>> > > > > >>> > > > > 2013/9/30 Priyank Patel <[email protected] <javascript:>> >>> > > > > >>> > > > >> Thanks for the suggestion. >>> > > > >> Now as I stated earlier I m a beginner, I don't know where to >>> start >>> > > with >>> > > > >> programming. I refer to the part where I need to sample the data >>> > > coming >>> > > > >> from a microphone and implement dsp algorithms. Please point me >>> in >>> > > right >>> > > > >> direction or some references. Thanks again. >>> > > > >> On Sep 30, 2013 3:43 AM, "Maxim Podbereznyy" <[email protected] >>> <javascript:>> >>> > > >>> > > > >> wrote: >>> > > > >> >>> > > > >>> yes. It was discussed here already >>> > > > >>> >>> > > > >>> >>> > > > >>> 2013/9/30 Priyank Patel <[email protected] <javascript:>> >>> > > > >>> >>> > > > >>>> Is audio cape compatible with BBLK. I think I need to disable >>> the >>> > > hdmi >>> > > > >>>> functionality in order to use the audio cape. >>> > > > >>>> >>> > > > >>>> -- >>> > > > >>>> 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] <javascript:>. >>> > > > >>>> For more options, visit >>> https://groups.google.com/groups/opt_out. >>> > > > >>>> >>> > > > >>> >>> > > > >>> >>> > > > >>> >>> > > > >>> -- >>> > > > >>> LinkedIn - http://www.linkedin.com/in/maximpodbereznyy >>> > > > >>> Company - http://www.linkedin.com/company/mentorel >>> > > > >>> Facebook - https://www.facebook.com/mentorel.company >>> > > > >>> >>> > > > >>> -- >>> > > > >>> For more options, visit http://beagleboard.org/discuss >>> > > > >>> --- >>> > > > >>> You received this message because you are subscribed to a >>> topic in >>> > > the >>> > > > >>> Google Groups "BeagleBoard" group. >>> > > > >>> To unsubscribe from this topic, visit >>> > > > >>> >>> > > >>> https://groups.google.com/d/topic/beagleboard/spmJODUYSp0/unsubscribe. >>> > > > >>> To unsubscribe from this group and all its topics, send an >>> email to >>> > > > >>> [email protected] <javascript:>. >>> > > > >>> >>> > > > >>> For more options, visit >>> https://groups.google.com/groups/opt_out. >>> > > > >>> >>> > > > >> -- >>> > > > >> 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] <javascript:>. >>> > > > >> For more options, visit >>> https://groups.google.com/groups/opt_out. >>> > > > >> >>> > > > > >>> > > > > >>> > > > > >>> > > > > -- >>> > > > > LinkedIn - http://www.linkedin.com/in/maximpodbereznyy >>> > > > > Company - http://www.linkedin.com/company/mentorel >>> > > > > Facebook - https://www.facebook.com/mentorel.company >>> > > > > >>> > > > >>> > > > -- >>> > > > 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] <javascript:>. >>> > > > For more options, visit https://groups.google.com/groups/opt_out. >>> > > >>> > > >>> > >>> > -- >>> > 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/groups/opt_out. >>> >>> -- >>> 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/groups/opt_out. >>> >> >> -- >> For more options, visit http://beagleboard.org/discuss >> --- >> You received this message because you are subscribed to a topic in the >> Google Groups "BeagleBoard" group. >> To unsubscribe from this topic, visit >> https://groups.google.com/d/topic/beagleboard/spmJODUYSp0/unsubscribe. >> To unsubscribe from this group and all its topics, send an email to >> [email protected]. >> >> For more options, visit https://groups.google.com/groups/opt_out. >> > -- > 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/groups/opt_out. > -- 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/groups/opt_out.
