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---
title: No sound in Flash videos
layout: default
created: 2009-11-27 14:27:24 +0100
updated: 2010-02-12 22:22:35 +0100
toc: false
tags:
- know-how
- software
- linux
- flash
- sound
---
If you have no sound in Flash videos but in all other programs, there are two possibilities:
1. the PCM output is set to silence
* check volume setting with `alsamixer`
1. you might have a second audio device (e.g. a Webcam with a microphone) which gets preferred by ALSA
* fix it by unplugging it, or
* force ALSA to use another device, see [ALSA FAQ#26](http://alsa.opensrc.org/FAQ026)
* set *Skype**Options**Sound Devices* to *[ ] Allow Skype to automatically adjust my mixer levels*
1. some sound via PulseAudio is currently playing (see [ALSA → PulseAudio for Flash and others]({% post_url 2010-02-12-alsa-to-pulseaudio-for-flash %}))
Bug report is [#396558](https://bugs.launchpad.net/ubuntu/+source/flashplugin-nonfree/+bug/396558).