blocks|key|5942980|text|在控制台中运行alsamixer+-c+0，并使用箭头键来播放卷。|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|5942981|对我来说:把大师设定到一个声音质量足够好的值，使得它非常低。将母版设置为最大，将PCM降至81，将其他设置设置为0，解决了问题。|5942982|更新：(对于Ubuntu10.10)单击右上角的音量图标，然后单击声音首选项，并确保输出音量不会超出“未放大”。然后，再次单击音量图标，查看音量表的位置。这是您应该设置的最大音量，以便听到清晰的声音。|5942983|或者：(对于Ubuntu10.10)单击右上角的音量图标，然后单击声音首选项，将主音量设置为100%25，并将每个应用程序的音量设置为更合适的级别。每次打开第一次需要使用声音的应用程序时，都必须这样做(因为当前不使用声音的应用程序不会出现在该列表中)。|5942984|目前您必须在烦人和复杂之间做出选择:(|entityMap^0|7|E|0|0|0|0^^$0|@$1|2|3|4|5|6|7|O|8|@$9|P|A|Q|B|C]]|D|@]|E|$]]|$1|F|3|G|5|6|7|R|8|@]|D|@]|E|$]]|$1|H|3|I|5|6|7|S|8|@]|D|@]|E|$]]|$1|J|3|K|5|6|7|T|8|@]|D|@]|E|$]]|$1|L|3|M|5|6|7|U|8|@]|D|@]|E|$]]]|N|$]]

Run <code>alsamixer -c 0</code> in your console and use the arrow keys to play around with the volumes.

For me: Setting Master to a value where the sound quality was good enough made it very very low. Setting Master to maximum, decreasing PCM to 81 and setting everything else to 0 fixed the problem.

UPDATE: (for Ubuntu 10.10) Click on the volume icon in the upper-right corner, then click on Sound Preferences, and make sure that the Output volume doesn't go above "Unamplified." Then, click on the volume icon again and see where the volume meter is positioned. That is the maximum volume you should set in order to hear a clear sound.

OR: (for Ubuntu 10.10) Click on the volume icon in the upper-right corner, then click on Sound Preferences, set the main volume to 100% and set the volume for each application to a more appropriate level. Each time you open an application that needs to use sound for the first time, you have to do this (because applications that don't currently use sound don't appear in that list).

You currently have to choose between annoying and complicated :(

blocks|key|4755940|text|我建议你使用脉冲音频系统宽均衡器。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4755941|Ubuntu+Lucid用户|unordered-list-item|4755942|PPA|4755943|sudo+add-apt-repository+ppa:psyke83/ppa|code-block|syntax|javascript|4755944|然后通过键入安装|4755945|sudo+apt-get+update+&&+sudo+apt-get+install+pulseaudio-equalizer|4755946|Ubuntu+Maverick用户|4755947|您必须通过下载下面的.deb文件手动安装它，|4755948|32位和64位的脉冲音频宽均衡器+==>|offset|length|entityMap|0|LINK|mutability|MUTABLE|url|https://launchpad.net/~nilarimogard/%2Barchive/test/%2Bfiles/pulseaudio-equalizer_2.7.0.1-1_all.deb^0|0|0|0|0|0|0|0|0|8|8|0^^$0|@$1|2|3|4|5|6|7|14|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|15|8|@]|9|@]|A|$]]|$1|E|3|F|5|6|7|16|8|@]|9|@]|A|$]]|$1|G|3|H|5|I|7|17|8|@]|9|@]|A|$J|K]]|$1|L|3|M|5|6|7|18|8|@]|9|@]|A|$]]|$1|N|3|O|5|I|7|19|8|@]|9|@]|A|$J|K]]|$1|P|3|Q|5|D|7|1A|8|@]|9|@]|A|$]]|$1|R|3|S|5|6|7|1B|8|@]|9|@]|A|$]]|$1|T|3|U|5|6|7|1C|8|@]|9|@$V|1D|W|1E|1|1F]]|A|$]]]|X|$Y|$5|Z|10|11|A|$12|13]]]]

i suggest you to use pulseaudio system wide equalizer.

<ul>
<li>Ubuntu Lucid User</li>
</ul>

PPA

<pre><code>sudo add-apt-repository ppa:psyke83/ppa
</code></pre>

Then install by typing

<pre><code>sudo apt-get update &amp;&amp; sudo apt-get install pulseaudio-equalizer
</code></pre>

<ul>
<li>Ubuntu Maverick User</li>
</ul>

You have to install it manually by downloading .deb file below,

<a href="https://launchpad.net/~nilarimogard/+archive/test/+files/pulseaudio-equalizer_2.7.0.1-1_all.deb" rel="nofollow">Pulse Audio Wide Equalizer</a> ==> for both 32bit and 64bit

blocks|key|4755964|text|我也有同样的问题，我就是这样做的|type|unstyled|depth|inlineStyleRanges|entityRanges|data|4755965|http://ubuntu-ky.ubuntuforums.org/showpost.php?p=10050353&postcount=16，这里是上面的链接https://help.ubuntu.com/community/HdaIntelSoundHowto中给出的通用链接|offset|length|entityMap|0|LINK|mutability|MUTABLE|url|http://ubuntu-ky.ubuntuforums.org/showpost.php?p=10050353&postcount=16|1|https://help.ubuntu.com/community/HdaIntelSoundHowto^0|0|0|1Y|0|27|1G|1^^$0|@$1|2|3|4|5|6|7|O|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|P|8|@]|9|@$D|Q|E|R|1|S]|$D|T|E|U|1|V]]|A|$]]]|F|$G|$5|H|I|J|A|$K|L]]|M|$5|H|I|J|A|$K|N]]]]

I had exactly the same problem and this is how i made it work

<a href="http://ubuntu-ky.ubuntuforums.org/showpost.php?p=10050353&amp;postcount=16" rel="nofollow">http://ubuntu-ky.ubuntuforums.org/showpost.php?p=10050353&amp;postcount=16</a>
and here is the general link as given in the above link
<a href="https://help.ubuntu.com/community/HdaIntelSoundHowto" rel="nofollow">https://help.ubuntu.com/community/HdaIntelSoundHowto</a>

blocks|key|5942749|text|我会先看看搅拌机。右键单击通知区域中的声音图标。我使用Kubuntu，所以不确定确切的术语。它将在下降的底部。在Kubuntu，它是显示混频器窗口，但它将是类似的。然后检查滑块和静音盒。取消检查那些影响您的耳机插孔和滑动滑块进一步向前为您的主音量。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|entityMap^0^^$0|@$1|2|3|4|5|6|7|C|8|@]|9|@]|A|$]]]|B|$]]

I would look at the mixer first. Right click on the sound icon in the notification area. I use Kubuntu, so am not sure of the exact terminology. It will be at the bottom of the drop down. In Kubuntu it is show mixer window, but it will be similar. Then check the sliders and muted boxes. Uncheck ones that affect your headphone jack and slide the slider farther forward for your master volume.

blocks|key|5942775|text|Gnome+ALSA混合器:降低PCM质量|type|unstyled|depth|inlineStyleRanges|entityRanges|data|entityMap^0^^$0|@$1|2|3|4|5|6|7|C|8|@]|9|@]|A|$]]]|B|$]]

Gnome ALSA Mixer : reducing PCM makes quality

blocks|key|5942795|text|有一些解决方案的英特尔HDA声音控制器上的ubuntu社区文档。在页面的末尾，有一个关于从realtek站点获取驱动程序的提示。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|entityMap|0|LINK|mutability|MUTABLE|url|https://help.ubuntu.com/community/HdaIntelSoundHowto^0|L|A|0^^$0|@$1|2|3|4|5|6|7|K|8|@]|9|@$A|L|B|M|1|N]]|C|$]]]|D|$E|$5|F|G|H|C|$I|J]]]]

There are some solutions for the Intel HDA sound controller on <a href="https://help.ubuntu.com/community/HdaIntelSoundHowto" rel="nofollow">ubuntu community documentation</a>. At the end of the page there is a tip about getting the driver from realtek site.

blocks|key|5942928|text|英特尔HDA有很多问题。让它发挥作用(从我所见和经验来看)是不成功的。kubuntu用户对您的卷混频器是正确的，您可能需要配置它来显示所有选项(滑块控件)。对我来说，这是把耳机插孔感觉带入混音器，并使它。(默认情况下是禁用的。)|type|unstyled|depth|inlineStyleRanges|entityRanges|data|entityMap^0^^$0|@$1|2|3|4|5|6|7|C|8|@]|9|@]|A|$]]]|B|$]]

Intel HDA has a lot of problems. Getting it to work (from what I've seen and experienced) is hit or miss. The kubuntu user is right about your volume mixer, which you may have to configure to show all options (slider controls). For me it was bringing Headphone jack sense into the mixer and enabling it. (It was disabled by default.)

blocks|key|4755977|text|你有没有试过在候机楼里摆弄alsamixer？如果打开音量会使质量变差，那么PCM值可能太高了。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|entityMap^0^^$0|@$1|2|3|4|5|6|7|C|8|@]|9|@]|A|$]]]|B|$]]

Have you tried fiddling with alsamixer in the terminal? If turning up the volume makes the quality terrible then your PCM values may be way too high.

blocks|key|5943014|text|对于这些类型的问题，有一些具体的步骤需要遵循，|type|unstyled|depth|inlineStyleRanges|entityRanges|data|5943015|通过在https://wiki.ubuntu.com/DebuggingSoundProblems上执行命令并执行其余步骤，获取系统的全部技术信息。您还可以获得有关alsa-info.sh的信息(请参阅前面的网址以获得更多信息)，这将帮助我们从这里指导您。|ordered-list-item|offset|length|style|CODE|5943016|根据https://help.ubuntu.com/community/HdaIntelSoundHowto的说明安装最新的Alsa软件包，然后重新启动。这样，您将得到最新的阿尔萨代码，其中可能包括更好的支持您的声卡。如果你不想读很多书，这是一种简单的尝试修复方法。|entityMap|0|LINK|mutability|MUTABLE|url|https://wiki.ubuntu.com/DebuggingSoundProblems|1|https://help.ubuntu.com/community/HdaIntelSoundHowto^0|0|2A|C|3|1A|0|0|2|1G|1^^$0|@$1|2|3|4|5|6|7|T|8|@]|9|@]|A|$]]|$1|B|3|C|5|D|7|U|8|@$E|V|F|W|G|H]]|9|@$E|X|F|Y|1|Z]]|A|$]]|$1|I|3|J|5|D|7|10|8|@]|9|@$E|11|F|12|1|13]]|A|$]]]|K|$L|$5|M|N|O|A|$P|Q]]|R|$5|M|N|O|A|$P|S]]]]

For these types of problem there are specific steps to follow,

<ol>
<li>Obtain the full technical information of your system by following the commands at <a href="https://wiki.ubuntu.com/DebuggingSoundProblems" rel="nofollow">https://wiki.ubuntu.com/DebuggingSoundProblems</a> and performing the rest of the steps. You can also obtain the information about <code>alsa-info.sh</code> (see previous URL for more), which will helps us to direct you from here.</li>
<li>Install the latest Alsa packages
according to the instructions at
<a href="https://help.ubuntu.com/community/HdaIntelSoundHowto" rel="nofollow">https://help.ubuntu.com/community/HdaIntelSoundHowto</a> Then reboot. In this way you will get the latest Alsa code which may include better support for your sound card. This is an easy way to try to fix if you do not want to read much.</li>
</ol>

blocks|key|4756217|text|如果您安装了窗口，请确保这不是设置为静音。我刚刚发现这就是问题所在，为什么带耳机的skype不能工作。还设置skype，在选项中，不调整声音，并将输入声音在声音偏好到最高lewel。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|entityMap^0^^$0|@$1|2|3|4|5|6|7|C|8|@]|9|@]|A|$]]]|B|$]]

If you have windows installed be sure this is not set to mute. I just find out this was the problem, why skype with headphones didnt work. Also set skype, in options, not to adjust the sound, and turn the input sound in sound preferenses to the highest lewel.

I'm running ubuntu 10.10 and my soundcard is a realtek alc880, with intel HDA controller. I have a very low sound, and, when I raise the volume over 50%, it sounds "cracked". 
When I plug the headphones in, it keeps on playing through the speakers (and the headphones don't play any sound). In windows, it sounds fine, and the headphones work well. Please help!

Poor sound quality and headphones not working

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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我正在运行ubuntu10.10，我的声卡是realtek alc880，带有intel HDA控制器。我的声音很低，当我把音量提高到50%以上时，它听起来“破裂”了。当我插入耳机时，它会通过扬声器继续播放(而耳机不会播放任何声音)。在窗户里，听起来很好，耳机也很好用。请帮帮我！

问音质差，耳机坏了
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问音质差，耳机坏了
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