On Thu, 30 Jun 2016 09:44:53 deloptes <delop...@gmail.com> > David Niklas wrote: > > > On Tue, 28 Jun 2016 10:48:12 deloptes wrote: > > Thanks all, deloptes questioned me the most thoroughly so I'm > > replying to him. > > > >> David Niklas wrote: > >> > >> > Hello, > >> > >> Hi David, > >> > >> > I'm not running debian, rather Gentoo, but this happens with any > >> > distro and sound card (so far), so I figured this is as good a > >> > place as any to start (though linuxquestions is a close second). > >> > > >> > My sound card is currently (according to lspci), an ATI/ATI SBx00 > >> > Azalia (Intel HDA), though I used another ATI card on another MB > >> > before the MB broke (the MB was a lemon). Both cards are built into > >> > the MB. > >> > > >> > The said problem also happens independent of the audio playing app. > >> > > >> > The problem is this, if I plug an audio jack for my headphone into > >> > the jack the whole way then I get a lot less volume on the > >> > channels. I don't think it's a decrease in the bass, though it > >> > might be. > >> > > >> > Now, if I pull the headphone jack out, just a bit, it plays > >> > everything fine. > >> > *********** > >> > This is a little odd, and I might just dismiss it as a random > >> > quirk of my machine, but now it has happened to my laptops > >> > headphone jack too. > >> ************* > >> Did you try with different cables/jacks? What type of jack is it - > >> perhaps you soldiered yourself, or perhaps some special headphones - > >> just asking? In my opinion it might be either hardware - jack is > >> shortening, or some odd setting somewhere, but if latter it wouldn't > >> be same on different board. Anyway for the case it is not the jack > >> itself we would need some additional info. In debian > > Yes, I'm pretty certain that this is a hardware problem. I've tried > > different headphones to no avail. The jack is built into the MB. > > I was curious if others have experienced this, maybe all I have to do > > is open the plastic jack case on the MB and adjust something. I'd try > > this without your help but I, frankly, don't know if it would > > work/what I'm doing and I want to know what I'm doing when messing > > with the MB. > > What we meant was not the female jack on the board, but the male jack of > your head phones or amplifier. Some vendors do not follow the standards > (like Apple). > The female jack on the board should be standard though - unless you use > some exotic hardware. > > > > > <<From the laptop since it's going to be shorter.>> > >> cat /proc/asound/cards > > 0 [PCH ]: HDA-Intel - HDA Intel PCH > > HDA Intel PCH at 0xc0610000 irq 28 > >> cat /proc/asound/card*/codec* > >> cat /var/lib/alsa/asound.state > >> > >> Please attach or upload somewhere. > > They are attached > > > > This is well known Codec: Realtek ALC282 > I'm just not sure if you have Line-In jack there. I mean if you can > record stereo from external source. > This would explain why you hear only one line. You can check easily the > specs of your mainboard. I couldn't find stereo capture and I'm not an > expert. > > I found this here > http://mailman.alsa-project.org/pipermail/alsa-devel/2014-January/071161.html I'd have to look at this later, it's a bit beyond me at first glance.
> Could be that you need to try recent kernel version As I mentioned, this did not occur when I fist used my computer (brand new, see the part above with stars), and as I've had this problem for 3.18 -- 4.1 of the linux kernel on my laptop and 2.6 -- 4.1 on my desktop I hardly think it's a matter of upgrading. > >> > >> Another option would be a setting to turn off speaker when you plugin > >> headphones. > > Why? And there are not speakers, at least on my desktop. The laptop > > speakers I mute when using headphones, they used to auto mute, but now > > the computer thinks the hp are always attached so I turned that off. > > > >> > > >> > Also, I've recorded some audio from an old cassette tape onto my > >> > computer (cassette tape players are getting hard to find), and some > >> > of the said audio I somehow got to require that the headphone jack > >> > be fully plugged in to play correctly. [scratches head] I with I > >> > knew how I did this, it's really odd. > >> > > >> > >> There is no connection between these two. What means correctly? > > There is a Microphone and "Line in" jack on my desktop and a line out > > on the player (wasn't this kinda obvious?). > > > >> > So, my questions are: > >> > 1: What causes this? > >> > 2: How might I rerecord the audio files so they play right on a > >> > computer without this problem without using the now broken tape > >> > deck? > >> > >> It's just like normal recorder - set up input output level and > >> record. If your mixer or pulseaudio are not set up properly you > >> could have issues with the volume. I would check both. There are > >> also cases where the settings for specific audio chips are broken or > >> misaligned - it might also need attention. Just post the specs of > >> your audio card and setup and there will be perhaps someone with the > >> same who could compare and share > >> > >> regards > > I thought of that, but I'm not certain how to tell the computer > > whether to record what the computer is playing (don't want), vs. > > telling it to record from the Mic/line in. > > You can do this in the mixer with the switch settings - I think probably > pulse audio or the mixer of your distro. Yeah, I probably could google this under the lines of "How to turn off/on audio looping in alsa" This looks promising: http://alsa.opensrc.org/Jack_and_Loopback_device_as_Alsa-to-Jack_bridge Thanks, David
