Re: [CentOS] USB audio on Centos-7
On Fri, Sep 29, 2017 at 09:02:08PM -0400, Fred Smith wrote: > On Wed, Sep 27, 2017 at 12:08:59PM -0400, Fred Smith wrote: > > On Wed, Sep 27, 2017 at 02:06:35PM +1000, Kahlil Hodgson wrote: Below is an email from last year, and this is a followup or at least related, so I'm including it below for your reference. Using this USB "sound card" (it's not a card...) I can (as related below) record input from a tape deckwith Audacity. But what I haven't figured out how to do, though there must be some incantation that works, is to simply play audio input coming in via the USB device, through the speakers. Between Alsa and Pulse, I have tried every option I can imagine that should make it work, but no go. Anybody know what settings should be used for sending audio coming into the system via a USB audio device, to the speakers? thanks in advance! Fred > > > Most of the useful audacity stuff is in their wiki: > > > > > > http://wiki.audacityteam.org/wiki/USB_mic_on_Linux > > > > > > seems like a good place to start. > > > > thanks, that probably is a good place to start. some of that > > may be pretty old, but I'm checking it out. One could wish it > > wasn't quite so terse, in spots. > > > > Fred > > OK, I spent several hours messing with it, including trying the > things shown at the audacity URL above. But at that point, it was > as if there was no input device there. gave up, went to bed. > > next day I noticed that no audio played at all even without the > USB device, not from a DVD, nor a MP3 file, nor from any web > video. so I figured some bit of hardware had gotten into some > "I'm gonna play dead" state, so I did a full power off and reboot, > after which I had normal audio again. > > so I plugged in the USB device again and fed some audio into its > line in. fired up Audacity and was able to select the USB device > as its input, and it records! > > the recording, when played back, is kinda jumpy, as if bits of > it got lost on record, but otherwise doesn't sound too bad. > Wondering if I need to try a realtime kernel... (or maybe I > should just pause the Folding At Home client while recording... > there's a thing to try! :) > > thanks for the hint! > > Fred > > -- > Fred Smith -- fre...@fcshome.stoneham.ma.us - > "And he will be called Wonderful Counselor, Mighty God, Everlasting Father, > Prince of Peace. Of the increase of his government there will be no end. He > will reign on David's throne and over his kingdom, establishing and upholding > it with justice and righteousness from that time on and forever." > --- Isaiah 9:7 (niv) > -- > ___ > CentOS mailing list > CentOS@centos.org > https://lists.centos.org/mailman/listinfo/centos -- Fred Smith -- fre...@fcshome.stoneham.ma.us - God made him who had no sin to be sin for us, so that in him we might become the righteousness of God." --- Corinthians 5:21 - ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] USB audio on Centos-7
On Wed, Sep 27, 2017 at 12:08:59PM -0400, Fred Smith wrote: > On Wed, Sep 27, 2017 at 02:06:35PM +1000, Kahlil Hodgson wrote: > > Most of the useful audacity stuff is in their wiki: > > > > http://wiki.audacityteam.org/wiki/USB_mic_on_Linux > > > > seems like a good place to start. > > thanks, that probably is a good place to start. some of that > may be pretty old, but I'm checking it out. One could wish it > wasn't quite so terse, in spots. > > Fred OK, I spent several hours messing with it, including trying the things shown at the audacity URL above. But at that point, it was as if there was no input device there. gave up, went to bed. next day I noticed that no audio played at all even without the USB device, not from a DVD, nor a MP3 file, nor from any web video. so I figured some bit of hardware had gotten into some "I'm gonna play dead" state, so I did a full power off and reboot, after which I had normal audio again. so I plugged in the USB device again and fed some audio into its line in. fired up Audacity and was able to select the USB device as its input, and it records! the recording, when played back, is kinda jumpy, as if bits of it got lost on record, but otherwise doesn't sound too bad. Wondering if I need to try a realtime kernel... (or maybe I should just pause the Folding At Home client while recording... there's a thing to try! :) thanks for the hint! Fred -- Fred Smith -- fre...@fcshome.stoneham.ma.us - "And he will be called Wonderful Counselor, Mighty God, Everlasting Father, Prince of Peace. Of the increase of his government there will be no end. He will reign on David's throne and over his kingdom, establishing and upholding it with justice and righteousness from that time on and forever." --- Isaiah 9:7 (niv) -- ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] USB audio on Centos-7
On 27/09/17 13:31, Fred Smith wrote: Can you sense my frustration here? I'd appreciate any help that is actually helpful,... perhaps someone who reads this actually has one of these things and has made it work? thanks in advance! Fred Yes, I sense your frustration; I've had my fair share of it with bluetooth devices and I found a site *[0]* that helped me write a script to take control of my audio woes. Hopefully it helps you out. ak. [0]: http://terminalmage.net/2011/11/17/setting-a-usb-headset-as-the-default-pulseaudio-device.html ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] USB audio on Centos-7
On Wed, Sep 27, 2017 at 02:06:35PM +1000, Kahlil Hodgson wrote: > Most of the useful audacity stuff is in their wiki: > > http://wiki.audacityteam.org/wiki/USB_mic_on_Linux > > seems like a good place to start. thanks, that probably is a good place to start. some of that may be pretty old, but I'm checking it out. One could wish it wasn't quite so terse, in spots. Fred -- Fred Smith -- fre...@fcshome.stoneham.ma.us Do you not know? Have you not heard? The LORD is the everlasting God, the Creator of the ends of the earth. He will not grow tired or weary, and his understanding no one can fathom. - Isaiah 40:28 (niv) - ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] USB audio on Centos-7
Most of the useful audacity stuff is in their wiki: http://wiki.audacityteam.org/wiki/USB_mic_on_Linux seems like a good place to start. ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
Re: [CentOS] USB audio on Centos-7
> (and a possibly separate issue: how the heck does one point Audacity > to a USB input? Can't find anything in its UI, and there's darn little > help online that is actually helpful, in this regard.) Not sure about the other stuff but my USB dock's mic input shows up in Audacity on Fedora 26 under the second drop down on the last row (next to the little microphone icon). In the passed I've had most luck with pavucontrol, since it was the only one I could find that would allow me to turn on monitoring. ___ CentOS mailing list CentOS@centos.org https://lists.centos.org/mailman/listinfo/centos
