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使用 Ubuntu 12.04 LTS 时所选应用程序没有声音

tag-icon • tag-icon 12.04 sound alsa mute
使用 Ubuntu 12.04 LTS 时所选应用程序没有声音

我使用的是 Ubuntu 12.04 LTS，但不知为何，一些程序完全没有声音。VLC、Hydrogen、GNOME MPlayer 和 Movie Player 运行正常，但 Banshee、Rythmbox、Chromium、Konquerer 和 Firefox 没有声音。系统在启动时会发出气泡声，但音频的系统测试可以正常工作。这一切都很奇怪。

无论我在笔记本电脑上如何使用（扬声器或耳机插孔）收听音乐，该问题都会影响程序。

我已经测试/检查了 alsamixer ( alsamixer) 以确保声音没有被静音。

这很烦人，我想修复它，帮帮忙！

编辑：

以下是我通过以下方式启动 Banshee 时在终端中得到的结果banshee

[Info  18:00:10.944] Running Banshee 2.4.1: [Ubuntu 12.04 LTS (linux-gnu, i686) @ 2012-07-17 02:32:36 UTC]
[Warn  18:00:16.206] Caught an exception - System.ApplicationException: No support GNOME Settings Daemon could be reached. (in `Banshee.MultimediaKeys')
at Banshee.MultimediaKeys.MultimediaKeysService.Banshee.ServiceStack.IExtensionService.Initialize () [0x00000] in <filename unknown>:0 
at Banshee.ServiceStack.ServiceManager.StartExtension (Mono.Addins.TypeExtensionNode node) [0x00000] in <filename unknown>:0 
[Warn  18:00:16.207] Extension `Banshee.MultimediaKeys.MultimediaKeysService' not started: No support GNOME Settings Daemon could be reached.
[Info  18:00:16.229] Updating web proxy from GConf
[Warn  18:00:16.277] Caught an exception - System.ApplicationException: No support GNOME Settings Daemon could be reached. (in `Banshee.MultimediaKeys')
at Banshee.MultimediaKeys.MultimediaKeysService.Banshee.ServiceStack.IExtensionService.Initialize () [0x00000] in <filename unknown>:0 
at Banshee.ServiceStack.ServiceManager.StartExtension (Mono.Addins.TypeExtensionNode node) [0x00000] in <filename unknown>:0 
[Warn  18:00:16.277] Extension `Banshee.MultimediaKeys.MultimediaKeysService' not started: No support GNOME Settings Daemon could be reached.
[Info  18:00:16.279] All services are started 4.343458
[Info  18:00:17.015] AmazonMP3 store redirect URL: https://one.ubuntu.com/music/store/amz/
[Info  18:00:18.672] nereid Client Started
[Info  18:00:18.932] GStreamer version 0.10.36.0, gapless: True, replaygain: False

答案1

好吧，当我修复它时，我会将我的评论作为答案发布：

也许你有这样的默默配置：

配置窗口

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