我用过HDMI连接我的 LCD（与扬声器相连）和我的英伟达 275 GTX显卡。我无法让声音输出工作。硬件本身可能可以工作 - 我在 Windows 下测试过。
目前我正在跑步Ubuntu 9.1064 搭配 Nvidia 190.53。在我安装 HDMI 连接之前，声音输出工作正常。
（德语输出 - 如果您告诉我怎么做的话我可以更改它:)）
输出aplay -l：
**** Liste von PLAYBACK Geräten ****
Karte 0: Intel [HDA Intel], Gerät 0: ALC889A Analog [ALC889A Analog]
Untergeordnete Geräte: 1/1
Untergeordnetes Gerät '0: subdevice #0
Karte 0: Intel [HDA Intel], Gerät 1: ALC889A Digital [ALC889A Digital]
Untergeordnete Geräte: 1/1
Untergeordnetes Gerät '0: subdevice #0
输出aplay -L：
front:CARD=Intel,DEV=0
HDA Intel, ALC889A Analog
Front speakers
surround40:CARD=Intel,DEV=0
HDA Intel, ALC889A Analog
4.0 Surround output to Front and Rear speakers
surround41:CARD=Intel,DEV=0
HDA Intel, ALC889A Analog
4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=Intel,DEV=0
HDA Intel, ALC889A Analog
5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=Intel,DEV=0
HDA Intel, ALC889A Analog
5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=Intel,DEV=0
HDA Intel, ALC889A Analog
7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
iec958:CARD=Intel,DEV=0
HDA Intel, ALC889A Digital
IEC958 (S/PDIF) Digital Audio Output
null
Discard all samples (playback) or generate zero samples (capture)
pulse
Playback/recording through the PulseAudio sound server
并且我禁用了 kmix 和所有频道的静音:)
编辑：
输出lspci -v：
...
00:1b.0 Audio device: Intel Corporation 82801I (ICH9 Family) HD Audio Controller (rev 02)
Subsystem: Giga-byte Technology Device a022
Flags: bus master, fast devsel, latency 0, IRQ 22
Memory at ea400000 (64-bit, non-prefetchable) [size=16K]
Capabilities: [50] Power Management version 2
Capabilities: [60] Message Signalled Interrupts: Mask- 64bit+ Queue=0/0 Enable-
Capabilities: [70] Express Root Complex Integrated Endpoint, MSI 00
Capabilities: [100] Virtual Channel <?>
Capabilities: [130] Root Complex Link <?>
Kernel driver in use: HDA Intel
Kernel modules: snd-hda-intel
...
输出cat /proc/asound/version：
Advanced Linux Sound Architecture Driver Version 1.0.20.
输出lsmod | grep snd_hda_intel：
snd_hda_intel 31880 2
snd_hda_codec 87584 2 snd_hda_codec_realtek,snd_hda_intel
snd_pcm 93160 3 snd_hda_intel,snd_hda_codec,snd_pcm_oss
snd 77096 16 snd_hda_codec_realtek,snd_hda_intel,snd_hda_codec,snd_hwdep,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_seq_oss,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
snd_page_alloc 10928 2 snd_hda_intel,snd_pcm
我觉得我缺少了 something-hdmi 模块？有这种东西吗？
编辑2：
我已经更新了 alsa。
输出cat /proc/asound/version：
Advanced Linux Sound Architecture Driver Version 1.0.22.1.
Compiled on Mar 29 2010 for kernel 2.6.31-20-generic (SMP).
HDMI 音频仍然无法工作。