This page covers setting up and using sound cards, speakers, and musical instruments. Ubuntu supports many pieces of hardware, however if you find that your sound is not working the Troubleshooting pages may be of help.
OpenSound - Replacing ALSA with OSS 4.x
Audio Capture - Making your Microphone Work
UbuntuStudioPreparation - Configuring your system for low-latency, realtime abilities, etc.
HowToJACKConfiguration - Configure JACK Control.
HowToVirtualKeyboardKeymapping - Edit the keymap for Virtual Keyboard.
HowToDisableSystemBell - Disabling the system bell.
Midi/SoftwareSynthesisHowTo - Play MIDI through your normal sound card
Midi/HardwareSynthesisHowTo - Play MIDI through dedicated MIDI hardware
AudioApplicationIntroductions - List of most popular applications.
HowToQjackCtlConnections - Use JACK Control Connections.
HowToSeq24Introduction - Create a basic song using Seq24, Hydrogen, and ZynAddSubFX.
HowToPureDataIntroduction - Introduction to the basics of PureData.
HowToCompressedSoundFonts - Extract compressed SoundFont files.
ThirdPartyAudioApplicationTutorials - Links to some of the better 3rd-party audio application tutorials.
Bluetooth Headset - Comprehensive instructions for getting a Bluetooth headset to work with all audio
Bluetooth Audio - Configuring Bluetooth devices for audio purposes dealing mainly with drivers a2d and sco
BlueZ Audio - BlueZ's wiki page on how to setup a Bluetooth headset
Old Sound Cards
HowToSetupSoundCards - Getting your old sound card to run. Look here if your sound card was not detected.
Sound not working? First try some of the basic tips in SoundTroubleshooting. If you are still without sound, follow the procedure in SoundTroubleshootingProcedure in order to get the latest release of ALSA and for help in posting a complete bug report.