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No errors logged.I was asked to rebuild a friend’s old Medion laptop – you know, those ones Aldi used to sell for peanuts. Output works on boot then intermittently stops. Karmic-generic up to and including 2.6.31-15 Stereo headphone issue can be resolved by model=lenovo-ms7195-dig, neverthless sound recording doesn't workĬodec: Realtek ALC268 Codec: Conexant ID 2c06
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Model=dell-3stack and selecting digital mic 1 as input source makes the internal mic workingĬodec: SigmaTel STAC9205 Codec: Generic 11c1 Si3054Ĭodec: Motorola Si3054 Codec: Realtek ALC883 Model=dell-3stack and selecting digital mic 1 as input source makes the internal mic working, external mic remains silent Model=laptop-eapd fixes the external mic input. Output works, PCM volume incorrectly thinks 100% is 0dB.
#Sigmatel audio ubuntu driver
Also feel free to extend this page for example to include similar driver issues related to different kernel modules.īulit-in mic never works, external mic unrecognisable jerky, mixer settings interchanged If you just see other bug descriptions with chips/codecs having problems feel free to list them here. Try to select one of the channels of your card instead of the default ALSA capture as recording source. Try to explicitly specify your model as module parameter.Now also try workarounds relevant to your card and please report your results. It does not post any personal information. You can refer to this in a bugreport so developers can more easily see which card/system you are using.
If you run it, it fetches all the relevant information on your sound architecture, it can also post it to a public database. First check if your chipset/codec is not already reported as being problematic. Report directly to Launchpad and the ALSA bug-tracker. This page is only for summarizing the problems. If you experience some problems, please do not report it here. the microphone you are using really works fine).
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Try to play around, and make sure that the problem is not on your side (e.g. Sometimes the external and internal microphone is transposed in the mixer. The microphone must be selected as the input device and its sound volume must be turned on, not muted. Usually you have to tune the mixer settings first. For this you can utilize krec or a Skype test call. Then check - if you have one - your built-in microphone and then your external microphone. First check now whether you sound input works. These chips are not all the same! Issue cat /proc/asound/card*/codec\#*|grep -i codecįrom the command line to see which one do you have. The second must show something similar to Audio device: Intel Corporation HD Audio Controller. The first must show snd_hda_intel as being used. Some produce just silence, some hang the recording application, some produce utterly jerky sound.įirst check your lsmod and lspci output. Models whose external microphone port does not work.Laptop models whose internal microphone does not work.Several chipsets which work (or work partially) are not listed here. The list of known models can be found in the kernel source in the file Documentation/alsa/ALSA-Configuration.txt under the section for the model (currently around line 758). They usually require the model kernel parameter to be specified manually in /etc/modprobe.d/alsa-base. I found problems to belong to three main groups:Ĭhipsets that do not work at all out-of-the box. Most of Intel compatible machines shipped this days - especially laptops - need this module for the sound, but there seems to be a lot of problems with it too. I hope this helps to improve the driver for the affected machines. Multimedia related features of working sound input and output are absolutely crucial today. I've set up this page to summarize problems and known workarounds for people having trouble using snd-hda-intel as driver for their sound chipsets.