On Mon, Aug 30, 2010 at 12:08 PM, Takashi Iwai <tiwai@xxxxxxx> wrote: > At Mon, 30 Aug 2010 12:02:49 +0200, > Thor Kristoffersen wrote: >> >> On Mon, Aug 30, 2010 at 11:45 AM, Takashi Iwai <tiwai@xxxxxxx> wrote: >> > At Mon, 30 Aug 2010 11:43:14 +0200, >> > Thor Kristoffersen wrote: >> >> >> >> On Mon, Aug 30, 2010 at 11:32 AM, Takashi Iwai <tiwai@xxxxxxx> wrote: >> >> >> On Mon, Aug 30, 2010 at 11:07 AM, Takashi Iwai <tiwai@xxxxxxx> wrote: >> >> >> >> On Mon, Aug 30, 2010 at 10:46 AM, Takashi Iwai <tiwai@xxxxxxx> wrote: >> >> >> >> >> >> I'm having issues with an X-Fi Titanium and ALSA. The problem is that >> >> >> >> >> >> it appears to be impossible to capture without unmuting the channel I'm >> >> >> >> >> >> capturing from. >> >> >> >> >> > >> >> >> >> >> > What do you mean exactly "unmuting the channel I'm capturing from"? >> >> >> >> >> > If you mean to turn on/off "XXX Capture Switch", then it's a feature, >> >> >> >> >> > no bug. >> >> >> >> >> >> >> >> >> >> No, I mean that capture is possible only when mute=off and capture=on. >> >> >> >> > >> >> >> >> > Which mute? Please be more specific. >> >> >> >> >> >> >> >> The signal I'm trying to capture is coming in through the SPDIF-i >> >> >> >> channel, so I'm talking about the mute and capture flags on that >> >> >> >> channel. However, I also tried the analog input (line), and the >> >> >> >> problem is exactly the same on that channel. >> >> >> > >> >> >> > Well, this is still unclear (what actually do you mean "channel") but >> >> >> > let me guess: >> >> >> > >> >> >> > the recording from either mic or line-in doesn't work unless you unmute >> >> >> > via "Front Playback Switch" mixer element. >> >> >> > >> >> >> > Correct? >> >> >> >> >> >> Not really. I use gnome-alsamixer, and there is a mixer element called >> >> >> "SPDIF-i" that has a slider, a "Mute" switch, and a "Capture" switch. >> >> >> I connect a digital source to the SPDIF input on the card, and then I >> >> >> try to record it with arecord from device hw:0,0. The only way I'm >> >> >> able to record sound is by setting the Mute switch (of the SPDIF-i >> >> >> mixer element) to off and the Capture switch to on. >> >> > >> >> > There is no mixer switch names "SPDIF-i". It's cut in alsamixer's >> >> > display. To check more exactly, make a diff of amixer outputs between >> >> > working and non-working states. >> >> > >> >> > But, what you wrote above is about the SPDIF input, not about the >> >> > analog input, right? Let's focus on one of them first. >> >> >> >> The problem is exactly the same with the analog input, >> > >> > Hmm... what do you mean "exactly the same"? >> > Does "SPDIF-in" mixer have to be unmuted? Or any other mixer element? >> >> No, what I mean is that in order to capture sound from the analog >> input, it is necessary to set the Mute switch to off and the Capture >> switch to on on the Line mixer control. > > Ah, now it's becoming clear. So it's "Line-in" mixer to be unmuted > if you want to record from line-in, right? Yes, that's correct, when trying to record from the analog input. > And "Line-in Playback Volume" plays no role for recording? I don't know. The signal I'm trying to capture is rather weak, so I have only tried this with the volume at max. Thor _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
