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耳机无法使用

tag-icon • tag-icon 11.10 sound hardware headphones volume-control
耳机无法使用

我遇到了一个问题。电脑扬声器工作正常，但当我连接耳机时却听不到任何声音。我有一台 Packard Bell EasyNote MZ35-F，装有 Ubuntu 11.10（内核 3.0.0-16-generic）。

以下是有关我的电脑的一些信息，可能有助于找到解决方案：

$ lspci
00:14.2 Audio device: ATI Technologies Inc IXP SB4x0 High Definition Audio Controller (rev 01)

$ sudo lshw
deathnotebook
description: Notebook
version: ????????
width: 32 bits
capabilities: smbios-2.4 dmi-2.4 smp-1.4 smp
configuration: administrator_password=enabled boot=oem-specific chassis=notebook cpus=1 frontpanel_password=unknown keyboard_password=unknown power-on_password=disabled uuid=80ED58E6-0886-DB11-8000-4E45435F4349
*-core
description: Motherboard
product: **EasyNote MZ35**
vendor: **Packard Bell BV**
physical id: 0
version: D3B
serial: QPCPCB64311369??????????????????
*-firmware
description: BIOS
vendor: Packard Bell
physical id: 0
version: V0.12
date: 10/23/2006
size: 102KiB
capacity: 960KiB
capabilities: isa pci pcmcia pnp upgrade shadowing escd cdboot acpi usb smartbattery biosbootspecification
*-cpu
description: CPU
product: **Intel(R) Celeron(R) M CPU 410 @ 1.46GHz**
vendor: Intel Corp.
physical id: 4
bus info: cpu@0
version: 6.14.8
serial: 0000-06E8-0000-0000-0000-0000
slot: U23
size: 1460MHz
capacity: 1460MHz
width: 32 bits
clock: 100MHz
capabilities: boot fpu fpu_exception wp vme de pse tsc msr pae mce cx8 apic mtrr pge mca cmov clflush dts acpi mmx fxsr sse sse2 ss tm pbe constant_tsc up arch_perfmon bts aperfmperf pni monitor tm2 xtpr pdcm
*-multimedia
description: Audio device
product: **IXP SB4x0 High Definition Audio Controller**
vendor: **ATI Technologies Inc**
physical id: 14.2
bus info: pci@0000:00:14.2
version: 01
width: 64 bits
clock: 33MHz
capabilities: pm msi bus_master cap_list
configuration: driver=HDA Intel latency=64
resources: irq:40 memory:c0400000-c0403fff

$ cat /proc/asound/card0/codec#* | grep Codec
Codec: Realtek ALC861-VD
Codec: LSI ID 1040

$ sudo aplay -l
tarjeta 0: SB [HDA ATI SB], dispositivo 0: ALC861-VD Analog [ALC861-VD Analog]
Subdispositivos: 0/1
Subdispositivo #0: subdevice #

答案1

尝试alsamixer调高Headphone滑块的音量。我经常看到 pulseaudio 将此设置静音。按以下方式退出 alsamixeresc

答案2

关于耳机的答案可能在这里Ubuntu 论坛。此解决方案对我的 Packard Bell EasyNote MZ35-U-005 有效。

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