我使用的是最新更新的 Ubunutu 14.04。我连接了 USB ASUS Xonar U7，然后连接了耳机。我听不到声音。以下是“pacmd list-sinks”的输出
pacmd list-sinks
Welcome to PulseAudio! Use "help" for usage information.
>>> 3 sink(s) available.
index: 0
name: <alsa_output.pci-0000_01_05.1.hdmi-stereo>
driver: <module-alsa-card.c>
flags: HARDWARE DECIBEL_VOLUME LATENCY DYNAMIC_LATENCY
state: SUSPENDED
suspend cause: IDLE
priority: 9050
volume: 0: 100% 1: 100%
0: 0.00 dB 1: 0.00 dB
balance 0.00
base volume: 100%
0.00 dB
volume steps: 65537
muted: no
current latency: 0.00 ms
max request: 0 KiB
max rewind: 0 KiB
monitor source: 0
sample spec: s16le 2ch 44100Hz
channel map: front-left,front-right
Stereo
used by: 0
linked by: 0
configured latency: 0.00 ms; range is 26.00 .. 371.52 ms
card: 0 <alsa_card.pci-0000_01_05.1>
module: 5
properties:
alsa.resolution_bits = "16"
device.api = "alsa"
device.class = "sound"
alsa.class = "generic"
alsa.subclass = "generic-mix"
alsa.name = "HDMI 0"
alsa.id = "HDMI 0"
alsa.subdevice = "0"
alsa.subdevice_name = "subdevice #0"
alsa.device = "3"
alsa.card = "1"
alsa.card_name = "HDA ATI HDMI"
alsa.long_card_name = "HDA ATI HDMI at 0xfe8e8000 irq 19"
alsa.driver_name = "snd_hda_intel"
device.bus_path = "pci-0000:01:05.1"
sysfs.path = "/devices/pci0000:00/0000:00:01.0/0000:01:05.1/sound/card1"
device.bus = "pci"
device.vendor.id = "1002"
device.vendor.name = "Advanced Micro Devices, Inc. [AMD/ATI]"
device.product.id = "970f"
device.product.name = "M4A785TD Motherboard"
device.string = "hdmi:1"
device.buffering.buffer_size = "65536"
device.buffering.fragment_size = "32768"
device.access_mode = "mmap+timer"
device.profile.name = "hdmi-stereo"
device.profile.description = "Digital Stereo (HDMI)"
device.description = "M4A785TD Motherboard Digital Stereo (HDMI)"
alsa.mixer_name = "ATI RS690/780 HDMI"
alsa.components = "HDA:1002791a,00791a00,00100000"
module-udev-detect.discovered = "1"
device.icon_name = "audio-card-pci"
ports:
hdmi-output-0: HDMI / DisplayPort (priority 5900, latency offset 0 usec, available: yes)
properties:
device.icon_name = "video-display"
active port: <hdmi-output-0>
index: 1
name: <alsa_output.usb-ASUS_USB_Audio_Device-00-Device.iec958-stereo>
driver: <module-alsa-card.c>
flags: HARDWARE DECIBEL_VOLUME LATENCY DYNAMIC_LATENCY
state: RUNNING
suspend cause:
priority: 9048
volume: 0: 100% 1: 100%
0: 0.00 dB 1: 0.00 dB
balance 0.00
base volume: 100%
0.00 dB
volume steps: 65537
muted: no
current latency: 26.62 ms
max request: 3 KiB
max rewind: 344 KiB
monitor source: 1
sample spec: s16le 2ch 44100Hz
channel map: front-left,front-right
Stereo
used by: 1
linked by: 1
configured latency: 20.00 ms; range is 0.50 .. 2000.00 ms
card: 1 <alsa_card.usb-ASUS_USB_Audio_Device-00-Device>
module: 6
properties:
alsa.resolution_bits = "16"
device.api = "alsa"
device.class = "sound"
alsa.class = "generic"
alsa.subclass = "generic-mix"
alsa.name = "USB Audio"
alsa.id = "USB Audio"
alsa.subdevice = "0"
alsa.subdevice_name = "subdevice #0"
alsa.device = "0"
alsa.card = "2"
alsa.card_name = "USB Audio Device"
alsa.long_card_name = "ASUS USB Audio Device at usb-0000:00:12.2-1, high speed"
alsa.driver_name = "snd_usb_audio"
device.bus_path = "pci-0000:00:12.2-usb-0:1:1.0"
sysfs.path = "/devices/pci0000:00/0000:00:12.2/usb1/1-1/1-1:1.0/sound/card2"
udev.id = "usb-ASUS_USB_Audio_Device-00-Device"
device.bus = "usb"
device.vendor.id = "1043"
device.vendor.name = "iCreate Technologies Corp."
device.product.id = "8586"
device.product.name = "USB Audio Device"
device.serial = "ASUS_USB_Audio_Device"
device.string = "iec958:2"
device.buffering.buffer_size = "352800"
device.buffering.fragment_size = "176400"
device.access_mode = "mmap+timer"
device.profile.name = "iec958-stereo"
device.profile.description = "Digital Stereo (IEC958)"
device.description = "USB Audio Device Digital Stereo (IEC958)"
alsa.mixer_name = "USB Mixer"
alsa.components = "USB1043:8586"
module-udev-detect.discovered = "1"
device.icon_name = "audio-card-usb"
ports:
iec958-stereo-output: Digital Output (S/PDIF) (priority 0, latency offset 0 usec, available: unknown)
properties:
active port: <iec958-stereo-output>
* index: 2
name: <alsa_output.pci-0000_00_14.2.analog-stereo>
driver: <module-alsa-card.c>
flags: HARDWARE HW_MUTE_CTRL HW_VOLUME_CTRL DECIBEL_VOLUME LATENCY DYNAMIC_LATENCY
state: SUSPENDED
suspend cause: IDLE
priority: 9959
volume: 0: 88% 1: 88%
0: -3.33 dB 1: -3.33 dB
balance 0.00
base volume: 100%
0.00 dB
volume steps: 65537
muted: no
current latency: 0.00 ms
max request: 0 KiB
max rewind: 0 KiB
monitor source: 2
sample spec: s16le 2ch 44100Hz
channel map: front-left,front-right
Stereo
used by: 0
linked by: 1
configured latency: 0.00 ms; range is 0.50 .. 371.52 ms
card: 2 <alsa_card.pci-0000_00_14.2>
module: 7
properties:
alsa.resolution_bits = "16"
device.api = "alsa"
device.class = "sound"
alsa.class = "generic"
alsa.subclass = "generic-mix"
alsa.name = "VT1708S Analog"
alsa.id = "VT1708S Analog"
alsa.subdevice = "0"
alsa.subdevice_name = "subdevice #0"
alsa.device = "0"
alsa.card = "0"
alsa.card_name = "HDA ATI SB"
alsa.long_card_name = "HDA ATI SB at 0xfe6f4000 irq 16"
alsa.driver_name = "snd_hda_intel"
device.bus_path = "pci-0000:00:14.2"
sysfs.path = "/devices/pci0000:00/0000:00:14.2/sound/card0"
device.bus = "pci"
device.vendor.id = "1002"
device.vendor.name = "Advanced Micro Devices, Inc. [AMD/ATI]"
device.product.id = "4383"
device.product.name = "M4A785TD Motherboard"
device.form_factor = "internal"
device.string = "front:0"
device.buffering.buffer_size = "65536"
device.buffering.fragment_size = "32768"
device.access_mode = "mmap+timer"
device.profile.name = "analog-stereo"
device.profile.description = "Analog Stereo"
device.description = "Built-in Audio Analog Stereo"
alsa.mixer_name = "VIA VT1708S"
alsa.components = "HDA:11060397,1043836c,00100000"
module-udev-detect.discovered = "1"
device.icon_name = "audio-card-pci"
ports:
analog-output: Analog Output (priority 9900, latency offset 0 usec, available: unknown)
properties:
analog-output-headphones: Headphones (priority 9000, latency offset 0 usec, available: no)
properties:
device.icon_name = "audio-headphones"
active port: <analog-output>
下面是输出
lspci -v | grep -A7 -i "audio"
00:14.2 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] SBx00 Azalia (Intel HDA)
Subsystem: ASUSTeK Computer Inc. M4A785TD Motherboard
Flags: bus master, slow devsel, latency 64, IRQ 16
Memory at fe6f4000 (64-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: snd_hda_intel
00:14.3 ISA bridge: Advanced Micro Devices, Inc. [AMD/ATI] SB7x0/SB8x0/SB9x0 LPC host controller
--
01:05.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] RS880 HDMI Audio [Radeon HD 4200 Series]
Subsystem: ASUSTeK Computer Inc. M4A785TD Motherboard
Flags: bus master, fast devsel, latency 0, IRQ 19
Memory at fe8e8000 (32-bit, non-prefetchable) [size=16K]
Capabilities: <access denied>
Kernel driver in use: snd_hda_intel
02:00.0 FireWire (IEEE 1394): JMicron Technology Corp. IEEE 1394 Host Controller (prog-if 10 [OHCI])
请帮助我在 Ubuntu 上启动我的 Xonar U7。
答案1
只需从桌面顶部面板时钟附近的图标中选择输出播放设备即可。您无需更改任何配置！