Re: [beagleboard] Audio Cape with Beaglebone Black

2015-03-18 Thread Zainab S.V
How to use the switch/push buttton to record? Is it by using gpio
programming by setting the pin as input?

On Mon, Mar 16, 2015 at 6:30 PM, Jesse Cobra jesseco...@gmail.com wrote:

 Then attach a switch to a gpio and use that as your user interface to
 start and stop aplay and arecord
 On Mar 15, 2015 10:50 PM, Zainab S.V sv.zai...@gmail.com wrote:

 That could be done while connecting BB with the computer? How can it be
 done when using BB alone as separate computer? The recorded audio needs to
 be stored,processed and played. So, how can it be done ?

 On Mon, Mar 16, 2015 at 11:11 AM, Jesse Cobra jesseco...@gmail.com
 wrote:

 Simply use arecord or aplay
 On Mar 15, 2015 10:37 PM, sns sv.zai...@gmail.com wrote:

 To record and playback audio I use  gui. But how to configure
 beaglebone for this,as it cannot run GUIs.Can we make use of gpio pins with
 some sort of switches or buttons to do this? If I need to record audio, I
 use a record button in custom gui with the pc. But how to record using
 beaglebone alone?

 On Monday, March 2, 2015 at 11:34:40 PM UTC+5:30, Carl Johnson wrote:

 I did a quick google search and nothing obvious jumped out. You might
 be better off using a USB microphone, which are cheap and readily 
 available.

 On Mar 1, 2015, at 10:47 PM, Zainab S.V sv.z...@gmail.com wrote:

 But, do we have to manually solder this amplifier and mic?I mean, is
 there any prebuilt device that amplifies the mic-recorded signals?

 On Sat, Feb 28, 2015 at 7:02 PM, Carl Johnson cjoh...@alum.mit.edu
 wrote:

 I used a MAX9812
 http://www.digikey.com/product-detail/en/MAX9812HEXT+T/MAX9812HEXT+TCT-ND/2037124
  amplifier
 chip and an electret condenser microphone
 http://www.digikey.com/product-search/en?KeyWords=102-1721-NDWT.z_header=search_go.
 Works really well.

 On Feb 25, 2015, at 12:13 AM, sns sv.z...@gmail.com wrote:

 does using this audio dongle allow to record sound with microphone
 without biasing?

 On Saturday, May 4, 2013 at 5:04:28 AM UTC+5:30, Carl Johnson wrote:

 I have an audio cape that worked well with the original BeagleBone,
 although I'm struggling to get it to work with the BeagleBone Black.  
 I'm
 running the latest 3.8.11 Angstrom release, and the logs show that it 
 loads
 the device tree OK but for some reason it isn't recognized as an alsa
 device.  I'll post an update if I get it working.

 I'm also using this audio dongle
 http://www.amazon.com/gp/product/B001MSS6CS/ref=oh_details_o00_s00_i00?ie=UTF8psc=1
 on the BeagleBone Black, which works quite well in alsa.  It only has a
 mono microphone input though.


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Re: [beagleboard] Audio Cape with Beaglebone Black

2015-03-15 Thread sns
To record and playback audio I use  gui. But how to configure beaglebone 
for this,as it cannot run GUIs.Can we make use of gpio pins with some sort 
of switches or buttons to do this? If I need to record audio, I use a 
record button in custom gui with the pc. But how to record using 
beaglebone alone?

On Monday, March 2, 2015 at 11:34:40 PM UTC+5:30, Carl Johnson wrote:

 I did a quick google search and nothing obvious jumped out. You might be 
 better off using a USB microphone, which are cheap and readily available.

 On Mar 1, 2015, at 10:47 PM, Zainab S.V sv.z...@gmail.com javascript: 
 wrote:

 But, do we have to manually solder this amplifier and mic?I mean, is there 
 any prebuilt device that amplifies the mic-recorded signals?

 On Sat, Feb 28, 2015 at 7:02 PM, Carl Johnson cjoh...@alum.mit.edu 
 javascript: wrote:

 I used a MAX9812 
 http://www.digikey.com/product-detail/en/MAX9812HEXT+T/MAX9812HEXT+TCT-ND/2037124
  amplifier 
 chip and an electret condenser microphone 
 http://www.digikey.com/product-search/en?KeyWords=102-1721-NDWT.z_header=search_go.
   
 Works really well.

 On Feb 25, 2015, at 12:13 AM, sns sv.z...@gmail.com javascript: 
 wrote:

 does using this audio dongle allow to record sound with microphone 
 without biasing?

 On Saturday, May 4, 2013 at 5:04:28 AM UTC+5:30, Carl Johnson wrote:

 I have an audio cape that worked well with the original BeagleBone, 
 although I'm struggling to get it to work with the BeagleBone Black.  I'm 
 running the latest 3.8.11 Angstrom release, and the logs show that it loads 
 the device tree OK but for some reason it isn't recognized as an alsa 
 device.  I'll post an update if I get it working.

 I'm also using this audio dongle 
 http://www.amazon.com/gp/product/B001MSS6CS/ref=oh_details_o00_s00_i00?ie=UTF8psc=1
  
 on the BeagleBone Black, which works quite well in alsa.  It only has a 
 mono microphone input though.


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Re: [beagleboard] Audio Cape with Beaglebone Black

2015-03-15 Thread Jesse Cobra
Simply use arecord or aplay
On Mar 15, 2015 10:37 PM, sns sv.zai...@gmail.com wrote:

 To record and playback audio I use  gui. But how to configure beaglebone
 for this,as it cannot run GUIs.Can we make use of gpio pins with some sort
 of switches or buttons to do this? If I need to record audio, I use a
 record button in custom gui with the pc. But how to record using
 beaglebone alone?

 On Monday, March 2, 2015 at 11:34:40 PM UTC+5:30, Carl Johnson wrote:

 I did a quick google search and nothing obvious jumped out. You might be
 better off using a USB microphone, which are cheap and readily available.

 On Mar 1, 2015, at 10:47 PM, Zainab S.V sv.z...@gmail.com wrote:

 But, do we have to manually solder this amplifier and mic?I mean, is
 there any prebuilt device that amplifies the mic-recorded signals?

 On Sat, Feb 28, 2015 at 7:02 PM, Carl Johnson cjoh...@alum.mit.edu
 wrote:

 I used a MAX9812
 http://www.digikey.com/product-detail/en/MAX9812HEXT+T/MAX9812HEXT+TCT-ND/2037124
  amplifier
 chip and an electret condenser microphone
 http://www.digikey.com/product-search/en?KeyWords=102-1721-NDWT.z_header=search_go.
 Works really well.

 On Feb 25, 2015, at 12:13 AM, sns sv.z...@gmail.com wrote:

 does using this audio dongle allow to record sound with microphone
 without biasing?

 On Saturday, May 4, 2013 at 5:04:28 AM UTC+5:30, Carl Johnson wrote:

 I have an audio cape that worked well with the original BeagleBone,
 although I'm struggling to get it to work with the BeagleBone Black.  I'm
 running the latest 3.8.11 Angstrom release, and the logs show that it loads
 the device tree OK but for some reason it isn't recognized as an alsa
 device.  I'll post an update if I get it working.

 I'm also using this audio dongle
 http://www.amazon.com/gp/product/B001MSS6CS/ref=oh_details_o00_s00_i00?ie=UTF8psc=1
 on the BeagleBone Black, which works quite well in alsa.  It only has a
 mono microphone input though.


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Re: [beagleboard] Audio Cape with Beaglebone Black

2015-03-15 Thread Zainab S.V
That could be done while connecting BB with the computer? How can it be
done when using BB alone as separate computer? The recorded audio needs to
be stored,processed and played. So, how can it be done ?

On Mon, Mar 16, 2015 at 11:11 AM, Jesse Cobra jesseco...@gmail.com wrote:

 Simply use arecord or aplay
 On Mar 15, 2015 10:37 PM, sns sv.zai...@gmail.com wrote:

 To record and playback audio I use  gui. But how to configure beaglebone
 for this,as it cannot run GUIs.Can we make use of gpio pins with some sort
 of switches or buttons to do this? If I need to record audio, I use a
 record button in custom gui with the pc. But how to record using
 beaglebone alone?

 On Monday, March 2, 2015 at 11:34:40 PM UTC+5:30, Carl Johnson wrote:

 I did a quick google search and nothing obvious jumped out. You might be
 better off using a USB microphone, which are cheap and readily available.

 On Mar 1, 2015, at 10:47 PM, Zainab S.V sv.z...@gmail.com wrote:

 But, do we have to manually solder this amplifier and mic?I mean, is
 there any prebuilt device that amplifies the mic-recorded signals?

 On Sat, Feb 28, 2015 at 7:02 PM, Carl Johnson cjoh...@alum.mit.edu
 wrote:

 I used a MAX9812
 http://www.digikey.com/product-detail/en/MAX9812HEXT+T/MAX9812HEXT+TCT-ND/2037124
  amplifier
 chip and an electret condenser microphone
 http://www.digikey.com/product-search/en?KeyWords=102-1721-NDWT.z_header=search_go.
 Works really well.

 On Feb 25, 2015, at 12:13 AM, sns sv.z...@gmail.com wrote:

 does using this audio dongle allow to record sound with microphone
 without biasing?

 On Saturday, May 4, 2013 at 5:04:28 AM UTC+5:30, Carl Johnson wrote:

 I have an audio cape that worked well with the original BeagleBone,
 although I'm struggling to get it to work with the BeagleBone Black.  I'm
 running the latest 3.8.11 Angstrom release, and the logs show that it 
 loads
 the device tree OK but for some reason it isn't recognized as an alsa
 device.  I'll post an update if I get it working.

 I'm also using this audio dongle
 http://www.amazon.com/gp/product/B001MSS6CS/ref=oh_details_o00_s00_i00?ie=UTF8psc=1
 on the BeagleBone Black, which works quite well in alsa.  It only has a
 mono microphone input though.


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Re: [beagleboard] Audio Cape with Beaglebone Black

2015-03-12 Thread sns
For recording voice, does usb headset's mic work well?Does it have the 
appropriate pre amp to amplify the voice signals?

On Wednesday, March 4, 2015 at 11:54:18 AM UTC+5:30, Jesse Forgues wrote:

 USB audio and HDMI audio are separate things entirely...

 USB in and out
 On Mar 3, 2015 8:08 PM, Zainab S.V sv.z...@gmail.com javascript: 
 wrote:

 Does connecting a usb headset to beaglebone  support audio recording and 
 playback via HDMI audio interface? I think it only supports audio out. Is 
 it so?

 On Tue, Mar 3, 2015 at 5:19 PM, Carl Johnson cjoh...@alum.mit.edu 
 javascript: wrote:

 Why not try a USB headset?  These are also inexpensive.

 On Mar 3, 2015, at 4:06 AM, Zainab S.V sv.z...@gmail.com javascript: 
 wrote:

 How to use max9812 amp with mic (one in the headset)?

 On Mon, Mar 2, 2015 at 7:38 PM, Carl Johnson cjoh...@alum.mit.edu 
 javascript: wrote:

 I did a quick google search and nothing obvious jumped out. You might 
 be better off using a USB microphone, which are cheap and readily 
 available.

 On Mar 1, 2015, at 10:47 PM, Zainab S.V sv.z...@gmail.com 
 javascript: wrote:

 But, do we have to manually solder this amplifier and mic?I mean, is 
 there any prebuilt device that amplifies the mic-recorded signals?

 On Sat, Feb 28, 2015 at 7:02 PM, Carl Johnson cjoh...@alum.mit.edu 
 javascript: wrote:

 I used a MAX9812 
 http://www.digikey.com/product-detail/en/MAX9812HEXT+T/MAX9812HEXT+TCT-ND/2037124
  amplifier 
 chip and an electret condenser microphone 
 http://www.digikey.com/product-search/en?KeyWords=102-1721-NDWT.z_header=search_go.
   
 Works really well.

 On Feb 25, 2015, at 12:13 AM, sns sv.z...@gmail.com javascript: 
 wrote:

 does using this audio dongle allow to record sound with microphone 
 without biasing?

 On Saturday, May 4, 2013 at 5:04:28 AM UTC+5:30, Carl Johnson wrote:

 I have an audio cape that worked well with the original BeagleBone, 
 although I'm struggling to get it to work with the BeagleBone Black.  
 I'm 
 running the latest 3.8.11 Angstrom release, and the logs show that it 
 loads 
 the device tree OK but for some reason it isn't recognized as an alsa 
 device.  I'll post an update if I get it working.

 I'm also using this audio dongle 
 http://www.amazon.com/gp/product/B001MSS6CS/ref=oh_details_o00_s00_i00?ie=UTF8psc=1
  
 on the BeagleBone Black, which works quite well in alsa.  It only has a 
 mono microphone input though.


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Re: [beagleboard] Audio Cape with Beaglebone Black

2015-03-03 Thread Zainab S.V
How to use max9812 amp with mic (one in the headset)?

On Mon, Mar 2, 2015 at 7:38 PM, Carl Johnson cjohn...@alum.mit.edu wrote:

 I did a quick google search and nothing obvious jumped out. You might be
 better off using a USB microphone, which are cheap and readily available.

 On Mar 1, 2015, at 10:47 PM, Zainab S.V sv.zai...@gmail.com wrote:

 But, do we have to manually solder this amplifier and mic?I mean, is there
 any prebuilt device that amplifies the mic-recorded signals?

 On Sat, Feb 28, 2015 at 7:02 PM, Carl Johnson cjohn...@alum.mit.edu
 wrote:

 I used a MAX9812
 http://www.digikey.com/product-detail/en/MAX9812HEXT+T/MAX9812HEXT+TCT-ND/2037124
  amplifier
 chip and an electret condenser microphone
 http://www.digikey.com/product-search/en?KeyWords=102-1721-NDWT.z_header=search_go.
 Works really well.

 On Feb 25, 2015, at 12:13 AM, sns sv.zai...@gmail.com wrote:

 does using this audio dongle allow to record sound with microphone
 without biasing?

 On Saturday, May 4, 2013 at 5:04:28 AM UTC+5:30, Carl Johnson wrote:

 I have an audio cape that worked well with the original BeagleBone,
 although I'm struggling to get it to work with the BeagleBone Black.  I'm
 running the latest 3.8.11 Angstrom release, and the logs show that it loads
 the device tree OK but for some reason it isn't recognized as an alsa
 device.  I'll post an update if I get it working.

 I'm also using this audio dongle
 http://www.amazon.com/gp/product/B001MSS6CS/ref=oh_details_o00_s00_i00?ie=UTF8psc=1
 on the BeagleBone Black, which works quite well in alsa.  It only has a
 mono microphone input though.


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Re: [beagleboard] Audio Cape with Beaglebone Black

2015-03-03 Thread Zainab S.V
ok,so Usb headset has an integrated soundcard,right? But will it work for
audio application that record sound and playback on beaglebone with
quality?I mean, here there is no need for seperate amplifier or circuit
that requires biasing mic voltage, is it not?

On Wed, Mar 4, 2015 at 11:53 AM, Jesse Cobra jesseco...@gmail.com wrote:

 USB audio and HDMI audio are separate things entirely...

 USB in and out
 On Mar 3, 2015 8:08 PM, Zainab S.V sv.zai...@gmail.com wrote:

 Does connecting a usb headset to beaglebone  support audio recording and
 playback via HDMI audio interface? I think it only supports audio out. Is
 it so?

 On Tue, Mar 3, 2015 at 5:19 PM, Carl Johnson cjohn...@alum.mit.edu
 wrote:

 Why not try a USB headset?  These are also inexpensive.

 On Mar 3, 2015, at 4:06 AM, Zainab S.V sv.zai...@gmail.com wrote:

 How to use max9812 amp with mic (one in the headset)?

 On Mon, Mar 2, 2015 at 7:38 PM, Carl Johnson cjohn...@alum.mit.edu
 wrote:

 I did a quick google search and nothing obvious jumped out. You might
 be better off using a USB microphone, which are cheap and readily 
 available.

 On Mar 1, 2015, at 10:47 PM, Zainab S.V sv.zai...@gmail.com wrote:

 But, do we have to manually solder this amplifier and mic?I mean, is
 there any prebuilt device that amplifies the mic-recorded signals?

 On Sat, Feb 28, 2015 at 7:02 PM, Carl Johnson cjohn...@alum.mit.edu
 wrote:

 I used a MAX9812
 http://www.digikey.com/product-detail/en/MAX9812HEXT+T/MAX9812HEXT+TCT-ND/2037124
  amplifier
 chip and an electret condenser microphone
 http://www.digikey.com/product-search/en?KeyWords=102-1721-NDWT.z_header=search_go.
 Works really well.

 On Feb 25, 2015, at 12:13 AM, sns sv.zai...@gmail.com wrote:

 does using this audio dongle allow to record sound with microphone
 without biasing?

 On Saturday, May 4, 2013 at 5:04:28 AM UTC+5:30, Carl Johnson wrote:

 I have an audio cape that worked well with the original BeagleBone,
 although I'm struggling to get it to work with the BeagleBone Black.  I'm
 running the latest 3.8.11 Angstrom release, and the logs show that it 
 loads
 the device tree OK but for some reason it isn't recognized as an alsa
 device.  I'll post an update if I get it working.

 I'm also using this audio dongle
 http://www.amazon.com/gp/product/B001MSS6CS/ref=oh_details_o00_s00_i00?ie=UTF8psc=1
 on the BeagleBone Black, which works quite well in alsa.  It only has a
 mono microphone input though.


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Re: [beagleboard] Audio Cape with Beaglebone Black

2015-03-03 Thread Jesse Cobra
USB audio and HDMI audio are separate things entirely...

USB in and out
On Mar 3, 2015 8:08 PM, Zainab S.V sv.zai...@gmail.com wrote:

 Does connecting a usb headset to beaglebone  support audio recording and
 playback via HDMI audio interface? I think it only supports audio out. Is
 it so?

 On Tue, Mar 3, 2015 at 5:19 PM, Carl Johnson cjohn...@alum.mit.edu
 wrote:

 Why not try a USB headset?  These are also inexpensive.

 On Mar 3, 2015, at 4:06 AM, Zainab S.V sv.zai...@gmail.com wrote:

 How to use max9812 amp with mic (one in the headset)?

 On Mon, Mar 2, 2015 at 7:38 PM, Carl Johnson cjohn...@alum.mit.edu
 wrote:

 I did a quick google search and nothing obvious jumped out. You might be
 better off using a USB microphone, which are cheap and readily available.

 On Mar 1, 2015, at 10:47 PM, Zainab S.V sv.zai...@gmail.com wrote:

 But, do we have to manually solder this amplifier and mic?I mean, is
 there any prebuilt device that amplifies the mic-recorded signals?

 On Sat, Feb 28, 2015 at 7:02 PM, Carl Johnson cjohn...@alum.mit.edu
 wrote:

 I used a MAX9812
 http://www.digikey.com/product-detail/en/MAX9812HEXT+T/MAX9812HEXT+TCT-ND/2037124
  amplifier
 chip and an electret condenser microphone
 http://www.digikey.com/product-search/en?KeyWords=102-1721-NDWT.z_header=search_go.
 Works really well.

 On Feb 25, 2015, at 12:13 AM, sns sv.zai...@gmail.com wrote:

 does using this audio dongle allow to record sound with microphone
 without biasing?

 On Saturday, May 4, 2013 at 5:04:28 AM UTC+5:30, Carl Johnson wrote:

 I have an audio cape that worked well with the original BeagleBone,
 although I'm struggling to get it to work with the BeagleBone Black.  I'm
 running the latest 3.8.11 Angstrom release, and the logs show that it 
 loads
 the device tree OK but for some reason it isn't recognized as an alsa
 device.  I'll post an update if I get it working.

 I'm also using this audio dongle
 http://www.amazon.com/gp/product/B001MSS6CS/ref=oh_details_o00_s00_i00?ie=UTF8psc=1
 on the BeagleBone Black, which works quite well in alsa.  It only has a
 mono microphone input though.


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Re: [beagleboard] Audio Cape with Beaglebone Black

2015-03-03 Thread Zainab S.V
Does connecting a usb headset to beaglebone  support audio recording and
playback via HDMI audio interface? I think it only supports audio out. Is
it so?

On Tue, Mar 3, 2015 at 5:19 PM, Carl Johnson cjohn...@alum.mit.edu wrote:

 Why not try a USB headset?  These are also inexpensive.

 On Mar 3, 2015, at 4:06 AM, Zainab S.V sv.zai...@gmail.com wrote:

 How to use max9812 amp with mic (one in the headset)?

 On Mon, Mar 2, 2015 at 7:38 PM, Carl Johnson cjohn...@alum.mit.edu
 wrote:

 I did a quick google search and nothing obvious jumped out. You might be
 better off using a USB microphone, which are cheap and readily available.

 On Mar 1, 2015, at 10:47 PM, Zainab S.V sv.zai...@gmail.com wrote:

 But, do we have to manually solder this amplifier and mic?I mean, is
 there any prebuilt device that amplifies the mic-recorded signals?

 On Sat, Feb 28, 2015 at 7:02 PM, Carl Johnson cjohn...@alum.mit.edu
 wrote:

 I used a MAX9812
 http://www.digikey.com/product-detail/en/MAX9812HEXT+T/MAX9812HEXT+TCT-ND/2037124
  amplifier
 chip and an electret condenser microphone
 http://www.digikey.com/product-search/en?KeyWords=102-1721-NDWT.z_header=search_go.
 Works really well.

 On Feb 25, 2015, at 12:13 AM, sns sv.zai...@gmail.com wrote:

 does using this audio dongle allow to record sound with microphone
 without biasing?

 On Saturday, May 4, 2013 at 5:04:28 AM UTC+5:30, Carl Johnson wrote:

 I have an audio cape that worked well with the original BeagleBone,
 although I'm struggling to get it to work with the BeagleBone Black.  I'm
 running the latest 3.8.11 Angstrom release, and the logs show that it loads
 the device tree OK but for some reason it isn't recognized as an alsa
 device.  I'll post an update if I get it working.

 I'm also using this audio dongle
 http://www.amazon.com/gp/product/B001MSS6CS/ref=oh_details_o00_s00_i00?ie=UTF8psc=1
 on the BeagleBone Black, which works quite well in alsa.  It only has a
 mono microphone input though.


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Re: [beagleboard] Audio Cape with Beaglebone Black

2015-03-03 Thread Carl Johnson
Why not try a USB headset?  These are also inexpensive.

 On Mar 3, 2015, at 4:06 AM, Zainab S.V sv.zai...@gmail.com wrote:
 
 How to use max9812 amp with mic (one in the headset)?
 
 On Mon, Mar 2, 2015 at 7:38 PM, Carl Johnson cjohn...@alum.mit.edu wrote:
 I did a quick google search and nothing obvious jumped out. You might be 
 better off using a USB microphone, which are cheap and readily available.
 
 On Mar 1, 2015, at 10:47 PM, Zainab S.V sv.zai...@gmail.com wrote:
 
 But, do we have to manually solder this amplifier and mic?I mean, is there 
 any prebuilt device that amplifies the mic-recorded signals?
 
 On Sat, Feb 28, 2015 at 7:02 PM, Carl Johnson cjohn...@alum.mit.edu 
 wrote:
 I used a MAX9812 amplifier chip and an electret condenser microphone.  
 Works really well.
 
 On Feb 25, 2015, at 12:13 AM, sns sv.zai...@gmail.com wrote:
 
 does using this audio dongle allow to record sound with microphone 
 without biasing?
 
 On Saturday, May 4, 2013 at 5:04:28 AM UTC+5:30, Carl Johnson wrote:
 I have an audio cape that worked well with the original BeagleBone, 
 although I'm struggling to get it to work with the BeagleBone Black.  
 I'm running the latest 3.8.11 Angstrom release, and the logs show that 
 it loads the device tree OK but for some reason it isn't recognized as 
 an alsa device.  I'll post an update if I get it working.
 
 I'm also using this audio dongle on the BeagleBone Black, which works 
 quite well in alsa.  It only has a mono microphone input though.
 
 
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Re: [beagleboard] Audio Cape with Beaglebone Black

2015-03-02 Thread Carl Johnson
I did a quick google search and nothing obvious jumped out. You might be better 
off using a USB microphone, which are cheap and readily available.

 On Mar 1, 2015, at 10:47 PM, Zainab S.V sv.zai...@gmail.com wrote:
 
 But, do we have to manually solder this amplifier and mic?I mean, is there 
 any prebuilt device that amplifies the mic-recorded signals?
 
 On Sat, Feb 28, 2015 at 7:02 PM, Carl Johnson cjohn...@alum.mit.edu wrote:
 I used a MAX9812 amplifier chip and an electret condenser microphone.  Works 
 really well.
 
 On Feb 25, 2015, at 12:13 AM, sns sv.zai...@gmail.com wrote:
 
 does using this audio dongle allow to record sound with microphone without 
 biasing?
 
 On Saturday, May 4, 2013 at 5:04:28 AM UTC+5:30, Carl Johnson wrote:
 I have an audio cape that worked well with the original BeagleBone, 
 although I'm struggling to get it to work with the BeagleBone Black.  I'm 
 running the latest 3.8.11 Angstrom release, and the logs show that it 
 loads the device tree OK but for some reason it isn't recognized as an 
 alsa device.  I'll post an update if I get it working.
 
 I'm also using this audio dongle on the BeagleBone Black, which works 
 quite well in alsa.  It only has a mono microphone input though.
 
 
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Re: [beagleboard] Audio Cape with Beaglebone Black

2015-03-01 Thread Zainab S.V
But, do we have to manually solder this amplifier and mic?I mean, is there
any prebuilt device that amplifies the mic-recorded signals?

On Sat, Feb 28, 2015 at 7:02 PM, Carl Johnson cjohn...@alum.mit.edu wrote:

 I used a MAX9812
 http://www.digikey.com/product-detail/en/MAX9812HEXT+T/MAX9812HEXT+TCT-ND/2037124
  amplifier
 chip and an electret condenser microphone
 http://www.digikey.com/product-search/en?KeyWords=102-1721-NDWT.z_header=search_go.
 Works really well.

 On Feb 25, 2015, at 12:13 AM, sns sv.zai...@gmail.com wrote:

 does using this audio dongle allow to record sound with microphone without
 biasing?

 On Saturday, May 4, 2013 at 5:04:28 AM UTC+5:30, Carl Johnson wrote:

 I have an audio cape that worked well with the original BeagleBone,
 although I'm struggling to get it to work with the BeagleBone Black.  I'm
 running the latest 3.8.11 Angstrom release, and the logs show that it loads
 the device tree OK but for some reason it isn't recognized as an alsa
 device.  I'll post an update if I get it working.

 I'm also using this audio dongle
 http://www.amazon.com/gp/product/B001MSS6CS/ref=oh_details_o00_s00_i00?ie=UTF8psc=1
 on the BeagleBone Black, which works quite well in alsa.  It only has a
 mono microphone input though.


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Re: [beagleboard] Audio Cape with Beaglebone Black

2015-03-01 Thread Carl Johnson
I used a MAX9812 
http://www.digikey.com/product-detail/en/MAX9812HEXT+T/MAX9812HEXT+TCT-ND/2037124
 amplifier chip and an electret condenser microphone 
http://www.digikey.com/product-search/en?KeyWords=102-1721-NDWT.z_header=search_go.
  Works really well.

 On Feb 25, 2015, at 12:13 AM, sns sv.zai...@gmail.com wrote:
 
 does using this audio dongle allow to record sound with microphone without 
 biasing?
 
 On Saturday, May 4, 2013 at 5:04:28 AM UTC+5:30, Carl Johnson wrote:
 I have an audio cape that worked well with the original BeagleBone, although 
 I'm struggling to get it to work with the BeagleBone Black.  I'm running the 
 latest 3.8.11 Angstrom release, and the logs show that it loads the device 
 tree OK but for some reason it isn't recognized as an alsa device.  I'll post 
 an update if I get it working.
 
 I'm also using this audio dongle 
 http://www.amazon.com/gp/product/B001MSS6CS/ref=oh_details_o00_s00_i00?ie=UTF8psc=1
  on the BeagleBone Black, which works quite well in alsa.  It only has a mono 
 microphone input though.
 
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Re: [beagleboard] Audio Cape with Beaglebone Black

2013-11-11 Thread Walter Schilling
I'm having difficulty with this setup.  I have a BBBone Black running the 
stock OS image from Angstrom, attached to an LCD7 display, and the Sound 
Cape.  I've modified my uEnv.txt file to match that which is listed below. 
 However, whenever my part starts to boot, the display blinks twice and it 
then goes back like it is rebooting.  Is there something else I need to 
do to make this work with the LCD cape that I am missing?

On Sunday, October 27, 2013 11:21:32 AM UTC-5, Yasir K wrote:

 It worked!! Well, I guess I didn't even know what I was staring at for 3 
 days, just removed the EMMC disable part and it works! Here is my uEnv.txt 
 file now:
  

 optargs=quiet drm.debug=7 
 capemgr.disable_partno=BB-BONELT-HDMI,BB-BONELT-HDMIN 
 capemgr.enable_partno=BB-BONE-AUDI-01

  

 Thanks so much Martin!

  

 However, I still have really poor quality audio playback from the cape 
 using mplayer and an mp3 file. Where should I start to try and fix the 
 audio quality issue? Also, it only works once very 2-3 tries. Any pointers 
 to help me fix this issue would be much appreciated. 
  
  

 On Saturday, October 26, 2013 10:36:36 PM UTC+2, Martin AA6E wrote:

 I'm not an expert on this, but it seems that you've disabled eMMC.  So 
 you shouldn't expect to boot from eMMC!  Try eliminating BB-BONE-EMMC-2G 
 from the disable list in uEnv.

 Martin


 On Sat, Oct 26, 2013 at 4:23 PM, Yasir K yas...@gmail.com wrote:

  **Update**

  
 Have managed to get the audio cape running by editing the uenv.txt 
 file but only if I boot off an SD card, when I edit the uenv.txt file on 
 the eMMC, the board does not boot.
  
 Audio playback has a lot of hiss and only works once every few times. 
 Still need help in troubleshooting... 

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Re: [beagleboard] Audio Cape with Beaglebone Black

2013-10-27 Thread Yasir K
It worked!! Well, I guess I didn't even know what I was staring at for 3 
days, just removed the EMMC disable part and it works! Here is my uEnv.txt 
file now:
 

optargs=quiet drm.debug=7 
capemgr.disable_partno=BB-BONELT-HDMI,BB-BONELT-HDMIN 
capemgr.enable_partno=BB-BONE-AUDI-01

 

Thanks so much Martin!

 

However, I still have really poor quality audio playback from the cape 
using mplayer and an mp3 file. Where should I start to try and fix the 
audio quality issue? Also, it only works once very 2-3 tries. Any pointers 
to help me fix this issue would be much appreciated. 
 
 

On Saturday, October 26, 2013 10:36:36 PM UTC+2, Martin AA6E wrote:

 I'm not an expert on this, but it seems that you've disabled eMMC.  So you 
 shouldn't expect to boot from eMMC!  Try eliminating BB-BONE-EMMC-2G from 
 the disable list in uEnv.

 Martin


 On Sat, Oct 26, 2013 at 4:23 PM, Yasir K yas...@gmail.com 
 javascript:wrote:

  **Update**

  
 Have managed to get the audio cape running by editing the uenv.txt 
 file but only if I boot off an SD card, when I edit the uenv.txt file on 
 the eMMC, the board does not boot.
  
 Audio playback has a lot of hiss and only works once every few times. 
 Still need help in troubleshooting... 

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Re: [beagleboard] Audio Cape with Beaglebone Black

2013-10-27 Thread eze_rg
Did you re-recompile the kernel without the HDMI patches??
I did that and my Audio Cape worked very well, i measured almost 84 dBA of 
SNR.

El sábado, 26 de octubre de 2013 17:23:19 UTC-3, Yasir K escribió:

 **Update**

  
 Have managed to get the audio cape running by editing the uenv.txt 
 file but only if I boot off an SD card, when I edit the uenv.txt file on 
 the eMMC, the board does not boot.
  
 Audio playback has a lot of hiss and only works once every few times. 
 Still need help in troubleshooting... 


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Re: [beagleboard] Audio Cape with Beaglebone Black

2013-10-26 Thread Yasir K
Hello All,
 
Been trying to get the cape to work on the BBB, however each time I edit 
the UEnv.txt file, the BBB refuses to boot afterwards with one light 
flashing in a constant pattern on both the cape and the board. I'm using 
this line in the uEnv.txt file:
 

optargs=quiet drm.debug=7 
capemgr.disable_partno=BB-BONELT-HDMI,BB-BONELT-HDMIN,BB-BONE-EMMC-2G 
capemgr.enable_partno=BB-BONE-AUDI-01

 

I've tried the above on two different boards and both don't work. 


Any help would be highly appreciated!

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Re: [beagleboard] Audio Cape with Beaglebone Black

2013-10-26 Thread Yasir K


 **Update**

 
Have managed to get the audio cape running by editing the uenv.txt file but 
only if I boot off an SD card, when I edit the uenv.txt file on the 
eMMC, the board does not boot.
 
Audio playback has a lot of hiss and only works once every few times. Still 
need help in troubleshooting... 

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Re: [beagleboard] Audio Cape with Beaglebone Black

2013-10-26 Thread Martin Ewing
I'm not an expert on this, but it seems that you've disabled eMMC.  So you
shouldn't expect to boot from eMMC!  Try eliminating BB-BONE-EMMC-2G from
the disable list in uEnv.

Martin


On Sat, Oct 26, 2013 at 4:23 PM, Yasir K yasi...@gmail.com wrote:

 **Update**


 Have managed to get the audio cape running by editing the uenv.txt
 file but only if I boot off an SD card, when I edit the uenv.txt file on
 the eMMC, the board does not boot.

 Audio playback has a lot of hiss and only works once every few times.
 Still need help in troubleshooting...

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Re: [beagleboard] Audio Cape with Beaglebone Black

2013-10-22 Thread lukasz . januszkiewicz
Hi,
I can confirm that it is possible to achive great audio quality on your BBB 
with AudioCape. Building kernel without using HDMI patches makes AudioCape 
works very well. The kernel version I used was 3.8.13-bone28. I belive it 
is not necessary to disable all of HDMI patches, what excludes HDMI 
permanently for this kernel. But when somebody doesn't need HDMI at all, 
this solution is very easy to apply.

Thanks for your help.

Regards,
Lucas

W dniu piątek, 18 października 2013 17:29:11 UTC+2 użytkownik Łukasz 
Januszkiewicz napisał:

 Thank you Ezequiel!
 I will try this solution next week, and give you a feedback.

 Regards,
 Lucas


 2013/10/18 eze_rg

 Hi Lucas,
 I have a BBB with the Cudio Cape working fine without distortion in 
 recording/playback.
 Here is what i did:

 *uEnv.txt:*
 change this line
 *optargs=quiet 
 capemgr.disable_partno=BB-BONELT-HDMI,BB-BONELT-HDMIN,BB-BONE-EMMC-2G 
 capemgr.enable_partno=BB-BONE-AUDI-01*

 for this one:
 *optargs=quiet capemgr.disable_partno=BB-BONELT-HDMI, 
 capemgr.enable_partno=BB-BONE-AUDI-01*
 *
 *
 *patch.sh *(this file is in *linux-dev *directory)
 Delete all lines that applies HDMI patches.
 (then you must build the kernel)

 I did this on Ubuntu 13.04 kernel version 3.8.13-bone24.

 I hope it helped
 Regards

 Ezequiel

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Re: [beagleboard] Audio Cape with Beaglebone Black

2013-10-18 Thread lukasz . januszkiewicz
Hello to everyone!
I am new here, but I was working with BBB for a couple of weeks and was 
interested in these BBB audio issues as well - I am building some kind of 
audio sensor based on BBB and AudioCape. At this moment my setup is BBB 
with debian wheezy with the most up-to-date kerel v3.8.13-bone28. Disabling 
hdmi allows BBB to detect AudioCape, but, as it was mentioned here, the 
playback is very noisy, it works fine 1 time per 5. 

Now I am going to apply patch provided by Daniel and rebuild the kernel. 
Can anyone confirm that this change will make the playback/capture work 
without distortion?

*Daniel*,
if you have some new patches that need testing I can sign up for this - I 
really need the AudioCape to work fine.

Regards,
Lucas


W dniu poniedziałek, 16 września 2013 08:46:30 UTC+2 użytkownik Daniel 
Nilsson napisał:

 On Mon, Sep 16, 2013 at 8:27 AM, Koen Kooi ko...@beagleboard.orgjavascript:
  wrote:


 Op 16 sep. 2013, om 02:57 heeft Radoslaw Szkodzinski 
 astra...@gmail.comjavascript: 
 het volgende geschreven:

  Daniel's patch still works.
  The latest 3.8 branch is still broken, however - one would think that
  to have been fixed a long time ago...

 If noone sends a patch for it, it will remain broken. So fire up git, fix 
 https://github.com/beagleboard/kernel/tree/3.8 and send a pull request.


 Not quite that simple, what I have provided is not a real patch but a 
 workaround that restores audio support for the audio cape at the expense of 
 breaking audio over HDMI. The root cause of the broken audio cape support 
 is the HDMI patches for the BBB and the proper fix is to rework this HDMI 
 support. TI has worked on this over the summer, and Koen merged the initial 
 set;


 https://github.com/beagleboard/kernel/commit/fba875a9d8855812ae743098fe269848c01a5c35

 However, TI did also fix the broken audio cape as part of reworking HDMI 
 support (like I have mentioned a couple of times in this thread). Due to 
 lack of testing though, those patches were not part of the above merge. I 
 have tested them myself on an older kernel, but _only_ to see that the 
 audio cape support is restored. Whether or not HDMI audio still works is 
 unknown, and I don't have a way to test that reliably.

 So what is needed is that someone with the proper test setups can test the 
 HDMI audio related patches from TI, if someone is willing to sign up for 
 this I can forward the patches to the mailing list.

 Regards
 Daniel
  


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Re: [beagleboard] Audio Cape with Beaglebone Black

2013-10-18 Thread eze_rg
Hi Lucas,
I have a BBB with the Cudio Cape working fine without distortion in 
recording/playback.
Here is what i did:

*uEnv.txt:*
change this line
*optargs=quiet 
capemgr.disable_partno=BB-BONELT-HDMI,BB-BONELT-HDMIN,BB-BONE-EMMC-2G 
capemgr.enable_partno=BB-BONE-AUDI-01*

for this one:
*optargs=quiet capemgr.disable_partno=BB-BONELT-HDMI, 
capemgr.enable_partno=BB-BONE-AUDI-01*
*
*
*patch.sh *(this file is in *linux-dev *directory)
Delete all lines that applies HDMI patches.
(then you must build the kernel)

I did this on Ubuntu 13.04 kernel version 3.8.13-bone24.

I hope it helped
Regards

Ezequiel

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