Problemas con sonido en ubuntu 8.10

[gansolin]

Este es el hadware que tengo los parlantes si me funcionan bien en windows vista es un problema del sistema operativo no se si me falta instalar algun driver o algo asi

00:00.0 Host bridge: Advanced Micro Devices [AMD] RS780 Host Bridge
00:01.0 PCI bridge: Hewlett-Packard Company Device 9602
00:04.0 PCI bridge: Advanced Micro Devices [AMD] RS780 PCI to PCI bridge (PCIE port 0)
00:05.0 PCI bridge: Advanced Micro Devices [AMD] RS780 PCI to PCI bridge (PCIE port 1)
00:06.0 PCI bridge: Advanced Micro Devices [AMD] RS780 PCI to PCI bridge (PCIE port 2)
00:07.0 PCI bridge: Advanced Micro Devices [AMD] RS780 PCI to PCI bridge (PCIE port 3)
00:11.0 SATA controller: ATI Technologies Inc SB700/SB800 SATA Controller [AHCI mode]
00:12.0 USB Controller: ATI Technologies Inc SB700/SB800 USB OHCI0 Controller
00:12.1 USB Controller: ATI Technologies Inc SB700 USB OHCI1 Controller
00:12.2 USB Controller: ATI Technologies Inc SB700/SB800 USB EHCI Controller
00:13.0 USB Controller: ATI Technologies Inc SB700/SB800 USB OHCI0 Controller
00:13.1 USB Controller: ATI Technologies Inc SB700 USB OHCI1 Controller
00:13.2 USB Controller: ATI Technologies Inc SB700/SB800 USB EHCI Controller
00:14.0 SMBus: ATI Technologies Inc SBx00 SMBus Controller (rev 3a)
00:14.1 IDE interface: ATI Technologies Inc SB700/SB800 IDE Controller
00:14.2 Audio device: ATI Technologies Inc SBx00 Azalia (Intel HDA)
00:14.3 ISA bridge: ATI Technologies Inc SB700/SB800 LPC host controller
00:14.4 PCI bridge: ATI Technologies Inc SBx00 PCI to PCI Bridge
00:18.0 Host bridge: Advanced Micro Devices [AMD] Family 11h HyperTransport Configuration (rev 40)
00:18.1 Host bridge: Advanced Micro Devices [AMD] Family 11h Address Map
00:18.2 Host bridge: Advanced Micro Devices [AMD] Family 11h DRAM Controller
00:18.3 Host bridge: Advanced Micro Devices [AMD] Family 11h Miscellaneous Control
00:18.4 Host bridge: Advanced Micro Devices [AMD] Family 11h Link Control
01:05.0 VGA compatible controller: ATI Technologies Inc RS780M/RS780MN [Radeon HD 3200 Graphics]
01:05.1 Audio device: ATI Technologies Inc RS780 Azalia controller
08:00.0 System peripheral: JMicron Technologies, Inc. SD/MMC Host Controller
08:00.2 SD Host controller: JMicron Technologies, Inc. Standard SD Host Controller
08:00.3 System peripheral: JMicron Technologies, Inc. MS Host Controller
08:00.4 System peripheral: JMicron Technologies, Inc. xD Host Controller
09:00.0 Network controller: Broadcom Corporation BCM4312 802.11b/g (rev 01)
0a:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8101E/RTL8102E PCI Express Fast Ethernet controller (rev 02)


Disculpen todos los errores como les comente soy nuevo en el sistema operativo he ignoro muchas cosas pero creo que la ignorancia es una virtud que te lleva a aprender.