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Linux USBオーディオデバイスの優先順位を上げる

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linux(kona linux3.0)に、USBオーディオデバイスを挿して音声認識(julius)やる準備として
USBオーディオデバイスの優先順位を上げようかと

raspberry piで同様の設定をしたことあるので下記の様に、、

使用したusbデバイスは「plugable USB Audio Adopter」

cat /proc/asound/modulesで確認すると

0 snd_hda_intel
1 snd_usb_audio

/etc/modprobe.d/alsa-base.confを編集すればいいねと思って探したけど、、alsa-base.confが無い。。

いろいろ調べて、/etc/modprobe.d/にsound.confというファイルを作って

options snd_usb_audio index=0
options snd_hda_intel index=1

と書けばOK。

再起動して、cat /proc/asound/modulesで確認すると

0 snd_usb_audio
1 snd_hda_intel

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