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Installing USB Microphone on FC6

I've just installed FC6 and I'm trying to get my Logitec USB Microphone to work with the system. My Creative Labs (Audigy) sound card works fine with my speakers, but I didn't want to use the cheesy microphone that came with that. I know the Logitec microphone is good because it works fine on my Window$ machine.

Any help?

I'm trying to capture and process sound in real-time. I'm not currently trying to record.

Thanks.

My first suggestion would be to check the version of alsa (cat /proc/asound/version) you have. If it's older than 1.0.14rc1, get the new one here. There has been a lot of usb audio support added in the last couple of months.

I tried ALSA 1.0.14. Everything went well:
./configure
make
make install (as root)

Now, nothing works! Before (with 1.0.12) I could at least use my speakers through my sound card.

The entire sound system is floating face down in some stagnant pool. You got any other good ideas?

If I can't get the microphone to work, I'd be happy to just get back to having my speakers work.

Check your mixer settings. Also, check to see if the new sound drivers are loaded (lsmod | fgrep snd). Check dmesg to see if there is any error messages.

I have the same version running here on my Audigy, and it works well. Full surround sound.

This is what /sbin/lsmod | fgrep snd gets---

Quote:

snd_emu10k1_synth 11776 0
snd_emux_synth 39936 1 snd_emu10k1_synth
snd_seq_virmidi 12032 1 snd_emux_synth
snd_seq_midi_emul 10496 1 snd_emux_synth
snd_emu10k1 137888 1 snd_emu10k1_synth
snd_ac97_codec 100260 1 snd_emu10k1
snd_ac97_bus 6656 1 snd_ac97_codec
snd_util_mem 9216 2 snd_emux_synth,snd_emu10k1
snd_hda_intel 25496 0
snd_hda_codec 197248 1 snd_hda_intel
snd_usb_audio 82944 2
snd_seq_dummy 8324 0
snd_seq_oss 39040 0
snd_seq_midi_event 11904 2 snd_seq_virmidi,snd_seq_oss
snd_seq 57968 8 snd_emux_synth,snd_seq_virmidi,snd_seq_midi_emul,snd_seq_dummy,snd_seq_oss,snd_seq_midi_event
snd_pcm_oss 47488 0
snd_mixer_oss 21248 1 snd_pcm_oss
snd_pcm 82692 6 snd_emu10k1,snd_ac97_codec,snd_hda_intel,snd_hda_codec,snd_usb_audio,snd_pcm_oss
snd_timer 26884 3 snd_emu10k1,snd_seq,snd_pcm
snd_usb_lib 21376 1 snd_usb_audio
snd_rawmidi 28800 3 snd_seq_virmidi,snd_emu10k1,snd_usb_lib
snd_seq_device 12812 7 snd_emu10k1_synth,snd_emux_synth,snd_emu10k1,snd_seq_dummy,snd_seq_oss,snd_seq,snd_rawmidi
snd_hwdep 13828 3 snd_emux_synth,snd_emu10k1,snd_usb_audio
snd 61064 22 snd_emux_synth,snd_seq_virmidi,snd_emu10k1,snd_ac97_codec,snd_hda_intel,snd_hda_codec,snd_usb_audio, snd_seq_dummy,snd_seq_oss,snd_seq,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_timer,snd_usb_lib,snd_rawmid i,snd_seq_device,snd_hwdep
snd_page_alloc 14472 3 snd_emu10k1,snd_hda_intel,snd_pcm
soundcore 14113 1 snd

I don't know what any of it means.

Here's the part of dmesg that seems relevant:

Quote:

usbcore: registered new driver snd-usb-audio
ALSA /home/duke/DOWNLOAD/alsa-driver-1.0.14rc1/acore/init.c:133: cannot find the slot for index 0 (range 0-0)
EMU10K1_Audigy: probe of 0000:02:01.0 failed with error -12
ACPI: PCI Interrupt 0000:00:14.2[A] -> GSI 16 (level, low) -> IRQ 185

I hope that gives you some clue so I can fix this.