How to find my audio device?

**crazy01** · 03-30-2009

hi all,

hope this is an easy one, i was wondering how i would go about finding my audio device. for example i know that my hard drive for example is /dev/hda and cd is /dev/hdc etc. does anyone know how to find my audio device?

Thanks in advance

oz · 03-30-2009

You can run the lspci and lsmod commands to get some hardware and modules information.

Code:

lspci
lsmod

...run man lspci and man lsmod for more info on each command.

**crazy01** · 03-30-2009

hmm, that seemed to work, however im not sure what to do with the output. The reason i ask is because im trying to use rdesktop. In the man pages for rdesktop it says to specify an audio device you need to include

Code:

'-r sound:[local[:driver[:device]]|off|remote]': enable sound redirection

so i imagine that i would need something like rdesktop -f servername -r sound:local:esd:/dev/SOUNDDEVICE

im just not sure what my sound device is.

the output is as follows

Code:

Module                  Size  Used by
nls_utf8                1760  0 
nls_cp437               5568  0 
vfat                    9152  0 
fat                    40864  1 vfat
nls_base                6820  4 nls_utf8,nls_cp437,vfat,fat
i915                   25280  2 
drm                    65256  3 i915
binfmt_misc             7528  1 
ppdev                   6468  0 
parport_pc             22500  0 
lp                      8164  0 
parport                30988  3 ppdev,parport_pc,lp
ipv6                  235300  18 
acpi_cpufreq            6796  0 
cpufreq_stats           3776  0 
cpufreq_ondemand        6476  2 
cpufreq_conservative     5960  0 
cpufreq_userspace       3172  0 
freq_table              4224  3 acpi_cpufreq,cpufreq_stats,cpufreq_ondemand
cpufreq_powersave       1856  0 
loop                   12748  0 
snd_hda_intel         324248  1 
snd_pcm_oss            32800  0 
snd_mixer_oss          12320  1 snd_pcm_oss
snd_pcm                62596  2 snd_hda_intel,snd_pcm_oss
snd_seq_dummy           2660  0 
psmouse                32336  0 
serio_raw               4740  0 
snd_seq_oss            24992  0 
i2c_i801                7920  0 
i2c_core               19828  1 i2c_i801
video                  16432  0 
output                  2912  1 video
snd_seq_midi            5728  0 
pcspkr                  2432  0 
snd_rawmidi            18496  1 snd_seq_midi
eeepc_laptop            7440  0 
iTCO_wdt                9508  0 
button                  6096  0 
snd_seq_midi_event      6432  2 snd_seq_oss,snd_seq_midi
rng_core                3940  0 
snd_seq                41456  6 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_seq_midi_event
snd_timer              17800  2 snd_pcm,snd_seq
snd_seq_device          6380  5 snd_seq_dummy,snd_seq_oss,snd_seq_midi,snd_rawmidi,snd_seq
snd                    45604  11 snd_hda_intel,snd_pcm_oss,snd_mixer_oss,snd_pcm,snd_seq_oss,snd_rawmidi,snd_seq,snd_timer,snd_seq_device
intel_agp              22332  1 
agpgart                28776  3 drm,intel_agp
soundcore               6368  1 snd
snd_page_alloc          7816  2 snd_hda_intel,snd_pcm
evdev                   8000  5 
ext3                  105512  1 
jbd                    39444  1 ext3
mbcache                 7108  1 ext3
sd_mod                 22200  3 
usbhid                 35904  0 
hid                    33184  1 usbhid
ff_memless              4392  1 usbhid
usb_storage            76032  2 
ata_generic             4676  0 
ata_piix               14180  0 
libata                140384  2 ata_generic,ata_piix
scsi_mod              129356  3 sd_mod,usb_storage,libata
dock                    8304  1 libata
ide_pci_generic         3908  0 [permanent]
ide_core               96168  1 ide_pci_generic
ehci_hcd               28428  0 
uhci_hcd               18672  0 
usbcore               118160  5 usbhid,usb_storage,ehci_hcd,uhci_hcd
r8169                  23684  0 
thermal                15228  0 
processor              32576  4 acpi_cpufreq,thermal
fan                     4164  0 
thermal_sys            10856  4 video,thermal,processor,fan

any suggestions at to what my audio device would be?

thanks

**rokytnji** · 03-30-2009

any suggestions at to what my audio device would be?

lspci should give you your soundcard mine is under multimedia controller

Code:

~ $ lspci
00:00.0 Host bridge: Intel Corporation 82830 830 Chipset Host Bridge (rev 04)
00:01.0 PCI bridge: Intel Corporation 82830 830 Chipset AGP Bridge (rev 04)
00:1d.0 USB Controller: Intel Corporation 82801CA/CAM USB Controller #1 (rev 02)
00:1d.1 USB Controller: Intel Corporation 82801CA/CAM USB Controller #2 (rev 02)
00:1d.2 USB Controller: Intel Corporation 82801CA/CAM USB Controller #3 (rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev 42)
00:1f.0 ISA bridge: Intel Corporation 82801CAM ISA Bridge (LPC) (rev 02)
00:1f.1 IDE interface: Intel Corporation 82801CAM IDE U100 Controller (rev 02)
00:1f.3 SMBus: Intel Corporation 82801CA/CAM SMBus Controller (rev 02)
00:1f.5 Multimedia audio controller: Intel Corporation 82801CA/CAM AC'97 Audio Controller (rev 02)

**rokytnji** · 03-30-2009

For more detailed info you can use

Code:

sudo lshw

This is what mine looks like with that command

Code:

 sudo lshw
            
    description: Notebook
    product: 26474MU
    vendor: IBM
    version: Not Available
    serial: 78MVPVV
    width: 32 bits
    capabilities: smbios-2.31 dmi-2.31
    configuration: boot=normal chassis=notebook uuid=66EA8601-457F-11CB-BDB2-9C486C1DAD90
  *-core
       description: Motherboard
       product: 26474MU
       vendor: IBM
       physical id: 0
       version: Not Available
       serial: J1LVN27W1BM
       slot: �
     *-firmware
          description: BIOS
          vendor: IBM
          physical id: 0
          version: 1AET64WW (1.20 ) (10/18/2006)
          size: 144KiB
          capacity: 960KiB
          capabilities: pci pcmcia pnp apm upgrade shadowing escd cdboot bootselect pcmciaboot edd int13floppy720 int5printscreen int9keyboard int14serial int17printer int10video acpi agp ls120boot biosbootspecification
     *-cpu
          description: CPU
          product: Mobile Intel(R) Pentium(R) III CPU - M  1200MHz
          vendor: Intel Corp.
          physical id: 6
          bus info: cpu@0
          version: 6.11.4
          slot: None
          size: 1197MHz
          capacity: 1200MHz
          width: 32 bits
          clock: 133MHz
          capabilities: fpu fpu_exception wp vme de pse tsc msr pae mce cx8 sep mtrr pge mca cmov pat pse36 mmx fxsr sse up cpufreq
        *-cache:0
             description: L1 cache
             physical id: a
             slot: Internal L1 Cache
             size: 32KiB
             capacity: 32KiB
             capabilities: synchronous internal write-back
        *-cache:1
             description: L2 cache
             physical id: b
             slot: Internal L2 Cache
             size: 512KiB
             capacity: 512KiB
             capabilities: burst internal write-back unified
     *-memory
          description: System Memory
          physical id: 26
          slot: System board or motherboard
          size: 1GiB
        *-bank:0
             description: SODIMM SDRAM Synchronous
             physical id: 0
             slot: DIMM 1
             size: 512MiB
             width: 64 bits
        *-bank:1
             description: SODIMM SDRAM Synchronous
             physical id: 1
             slot: DIMM 2
             size: 512MiB
             width: 64 bits
     *-pci
          description: Host bridge
          product: 82830 830 Chipset Host Bridge
          vendor: Intel Corporation
          physical id: 100
          bus info: pci@0000:00:00.0
          version: 04
          width: 32 bits
          clock: 33MHz
          configuration: driver=agpgart-intel module=intel_agp
        *-pci:0
             description: PCI bridge
             product: 82830 830 Chipset AGP Bridge
             vendor: Intel Corporation
             physical id: 1
             bus info: pci@0000:00:01.0
             version: 04
             width: 32 bits
             clock: 66MHz
             capabilities: pci bus_master
           *-display UNCLAIMED
                description: VGA compatible controller
                product: SuperSavage IX/C SDR
                vendor: S3 Inc.
                physical id: 0
                bus info: pci@0000:01:00.0
                version: 05
                width: 32 bits
                clock: 66MHz
                capabilities: pm agp agp-2.0 bus_master cap_list
                configuration: latency=64 maxlatency=255 mingnt=4
        *-usb:0
             description: USB Controller
             product: 82801CA/CAM USB Controller #1
             vendor: Intel Corporation
             physical id: 1d
             bus info: pci@0000:00:1d.0
             version: 02
             width: 32 bits
             clock: 33MHz
             capabilities: bus_master
             configuration: driver=uhci_hcd latency=0 module=uhci_hcd
        *-usb:1
             description: USB Controller
             product: 82801CA/CAM USB Controller #2
             vendor: Intel Corporation
             physical id: 1d.1
             bus info: pci@0000:00:1d.1
             version: 02
             width: 32 bits
             clock: 33MHz
             capabilities: bus_master
             configuration: driver=uhci_hcd latency=0 module=uhci_hcd
        *-usb:2
             description: USB Controller
             product: 82801CA/CAM USB Controller #3
             vendor: Intel Corporation
             physical id: 1d.2
             bus info: pci@0000:00:1d.2
             version: 02
             width: 32 bits
             clock: 33MHz
             capabilities: bus_master
             configuration: driver=uhci_hcd latency=0 module=uhci_hcd
        *-pci:1
             description: PCI bridge
             product: 82801 Mobile PCI Bridge
             vendor: Intel Corporation
             physical id: 1e
             bus info: pci@0000:00:1e.0
             version: 42
             width: 32 bits
             clock: 33MHz
             capabilities: pci bus_master
           *-pcmcia:0
                description: CardBus bridge
                product: PCI1420 PC card Cardbus Controller
                vendor: Texas Instruments
                physical id: 0
                bus info: pci@0000:02:00.0
                version: 00
                width: 32 bits
                clock: 33MHz
                capabilities: pcmcia bus_master cap_list
                configuration: driver=yenta_cardbus latency=176 maxlatency=5 mingnt=192 module=yenta_socket
           *-pcmcia:1
                description: CardBus bridge
                product: PCI1420 PC card Cardbus Controller
                vendor: Texas Instruments
                physical id: 0.1
                bus info: pci@0000:02:00.1
                version: 00
                width: 32 bits
                clock: 33MHz
                capabilities: pcmcia bus_master cap_list
                configuration: driver=yenta_cardbus latency=176 maxlatency=5 module=yenta_socket
           *-communication UNCLAIMED
                description: Communication controller
                product: WinModem 56k
                vendor: Agere Systems
                physical id: 2
                bus info: pci@0000:02:02.0
                version: 01
                width: 32 bits
                clock: 33MHz
                capabilities: pm bus_master cap_list
                configuration: latency=0 maxlatency=14 mingnt=252
           *-network
                description: Ethernet interface
                product: 82801CAM (ICH3) PRO/100 VE (LOM) Ethernet Controller
                vendor: Intel Corporation
                physical id: 8
                bus info: pci@0000:02:08.0
                logical name: eth0
                version: 42
                serial: 00:d0:59:cc:ba:8a
                size: 10MB/s
                capacity: 100MB/s
                width: 32 bits
                clock: 33MHz
                capabilities: pm bus_master cap_list ethernet physical tp mii 10bt 10bt-fd 100bt 100bt-fd autonegotiation
                configuration: autonegotiation=on broadcast=yes driver=e100 driverversion=3.5.23-k4-NAPI duplex=half firmware=N/A latency=66 link=no maxlatency=56 mingnt=8 module=e100 multicast=yes port=MII speed=10MB/s
        *-isa
             description: ISA bridge
             product: 82801CAM ISA Bridge (LPC)
             vendor: Intel Corporation
             physical id: 1f
             bus info: pci@0000:00:1f.0
             version: 02
             width: 32 bits
             clock: 33MHz
             capabilities: isa bus_master
             configuration: latency=0
        *-ide
             description: IDE interface
             product: 82801CAM IDE U100 Controller
             vendor: Intel Corporation
             physical id: 1f.1
             bus info: pci@0000:00:1f.1
             logical name: scsi0
             logical name: scsi1
             version: 02
             width: 32 bits
             clock: 33MHz
             capabilities: ide bus_master emulated
             configuration: driver=ata_piix latency=0 module=ata_piix
           *-disk
                description: ATA Disk
                product: ST980815A
                vendor: Seagate
                physical id: 0
                bus info: scsi@0:0.0.0
                logical name: /dev/sda
                version: 3.AL
                serial: 5LY3WEDN
                size: 74GiB (80GB)
                capabilities: partitioned partitioned:dos
                configuration: ansiversion=5 signature=fa4827d6
              *-volume:0
                   description: Windows NTFS volume
                   physical id: 1
                   bus info: scsi@0:0.0.0,1
                   logical name: /dev/sda1
                   logical name: /media/sda1
                   version: 3.0
                   serial: 10be0ff8-9dc9-3f49-bca6-3162d5247022
                   size: 43GiB
                   capacity: 43GiB
                   capabilities: primary bootable ntfs initialized
                   configuration: clustersize=4096 created=2009-02-12 19:20:41 filesystem=ntfs mount.fstype=fuseblk mount.options=rw,nosuid,nodev,user_id=0,group_id=0,allow_other,blksize=4096 state=mounted
              *-volume:1
                   description: EXT3 volume
                   vendor: Linux
                   physical id: 2
                   bus info: scsi@0:0.0.0,2
                   logical name: /dev/sda2
                   version: 1.0
                   serial: 9a285182-5c9c-46ad-a938-8bd42ca817e5
                   size: 15GiB
                   capacity: 15GiB
                   capabilities: primary journaled extended_attributes large_files huge_files recover ext3 ext2 initialized
                   configuration: created=2009-03-11 03:34:03 filesystem=ext3 modified=2009-03-29 10:25:43 mounted=2009-03-29 07:28:04 state=clean
              *-volume:2
                   description: Linux swap volume
                   physical id: 3
                   bus info: scsi@0:0.0.0,3
                   logical name: /dev/sda3
                   version: 1
                   serial: f373eccc-6ea5-4a88-81eb-78498103c520
                   size: 996MiB
                   capacity: 996MiB
                   capabilities: primary nofs swap initialized
                   configuration: filesystem=swap pagesize=4096
              *-volume:3
                   description: EXT3 volume
                   vendor: Linux
                   physical id: 4
                   bus info: scsi@0:0.0.0,4
                   logical name: /dev/sda4
                   logical name: /
                   logical name: /dev/.static/dev
                   version: 1.0
                   serial: 89c6f7d2-27b8-4169-804d-c3565fb40383
                   size: 14GiB
                   capacity: 14GiB
                   capabilities: primary journaled extended_attributes large_files huge_files recover ext3 ext2 initialized
                   configuration: created=2009-03-18 15:08:29 filesystem=ext3 modified=2009-03-29 17:08:01 mount.fstype=ext3 mount.options=ro,errors=remount-ro,data=ordered mounted=2009-03-29 17:08:01 state=mounted
           *-cdrom
                description: DVD reader
                product: DVD-ROM SR-8176
                vendor: MATSHITA
                physical id: 1
                bus info: scsi@1:0.0.0
                logical name: /dev/cdrom
                logical name: /dev/dvd
                logical name: /dev/scd0
                logical name: /dev/sr0
                version: LB36
                serial: [MATSHITADVD-ROM SR-8176 LB36PP  09/20/01+
                capabilities: removable audio dvd
                configuration: ansiversion=5 status=nodisc
        *-serial UNCLAIMED
             description: SMBus
             product: 82801CA/CAM SMBus Controller
             vendor: Intel Corporation
             physical id: 1f.3
             bus info: pci@0000:00:1f.3
             version: 02
             width: 32 bits
             clock: 33MHz
             configuration: latency=0
        *-multimedia
             description: Multimedia audio controller
             product: 82801CA/CAM AC'97 Audio Controller
             vendor: Intel Corporation
             physical id: 1f.5
             bus info: pci@0000:00:1f.5
             version: 02
             width: 32 bits
             clock: 33MHz
             capabilities: bus_master
             configuration: driver=Intel ICH latency=0 module=snd_intel8x0
     *-network
          description: Wireless interface
          product: RT2561/RT61 802.11g PCI
          vendor: RaLink
          physical id: 1
          bus info: pci@0000:07:00.0
          logical name: wmaster0
          version: 00
          serial: 00:11:50:dd:3b:c0
          width: 32 bits
          clock: 33MHz
          capabilities: pm bus_master cap_list logical ethernet physical wireless
          configuration: broadcast=yes driver=rt61pci ip=192.168.2.5 latency=64 module=rt61pci multicast=yes wireless=IEEE 802.11bg
  *-network DISABLED
       description: Ethernet interface
       physical id: 1
       logical name: pan0
       serial: 1e:52:f2:a8:a1:e6
       capabilities: ethernet physical
       configuration: broadcast=yes driver=bridge driverversion=2.3 firmware=N/A link=yes multicast=yes

**crazy01** · 03-30-2009

the output is lspci

Code:

 lspci
00:00.0 Host bridge: Intel Corporation Mobile 945GME Express Memory Controller Hub (rev 03)
00:02.0 VGA compatible controller: Intel Corporation Mobile 945GME Express Integrated Graphics Controller (rev 03)
00:02.1 Display controller: Intel Corporation Mobile 945GM/GMS/GME, 943/940GML Express Integrated Graphics Controller (rev 03)
00:1b.0 Audio device: Intel Corporation 82801G (ICH7 Family) High Definition Audio Controller (rev 02)
00:1c.0 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 1 (rev 02)
00:1c.1 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 2 (rev 02)
00:1c.2 PCI bridge: Intel Corporation 82801G (ICH7 Family) PCI Express Port 3 (rev 02)
00:1d.0 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #1 (rev 02)
00:1d.1 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #2 (rev 02)
00:1d.2 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #3 (rev 02)
00:1d.3 USB Controller: Intel Corporation 82801G (ICH7 Family) USB UHCI Controller #4 (rev 02)
00:1d.7 USB Controller: Intel Corporation 82801G (ICH7 Family) USB2 EHCI Controller (rev 02)
00:1e.0 PCI bridge: Intel Corporation 82801 Mobile PCI Bridge (rev e2)
00:1f.0 ISA bridge: Intel Corporation 82801GBM (ICH7-M) LPC Interface Bridge (rev 02)
00:1f.2 IDE interface: Intel Corporation 82801GBM/GHM (ICH7 Family) SATA IDE Controller (rev 02)
00:1f.3 SMBus: Intel Corporation 82801G (ICH7 Family) SMBus Controller (rev 02)
03:00.0 Network controller: RaLink Device 0781
04:00.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL8111/8168B PCI Express Gigabit Ethernet controller (rev 02)

so my audio device would be

Code:

00:1b.0 Audio device: Intel Corporation 82801G (ICH7 Family) High Definition Audio Controller (rev 02)

how would i pass that into the rdesktop syntax of

Code:

rdesktop -f servername -r sound:local:esd:/dev/SOUNDDEVICE

thanks

**rokytnji** · 03-30-2009

I don't run rdesktop so I won't be much help there. Maybe somebody else can chimr in or these threads will help maybe?

http://www.linuxforums.org/forum/deb...n-machine.html

HowToForums.net :: View topic - HowTo install rdesktop 1.5 including SeamLess Windows

Debian alternatives for rdesktop

Rdesktop - Debian Wiki

Sorry I can't be of more help to ya.

**crazy01** · 03-30-2009

FIXED Audio Over Rdesktop from Server 2008

This one took a while, but after many hours of research a google junkie from work gave me a suggestion. "try adding -r disk:Z/mnt" to the command.

Guess What...... It Worked.

So my Rdesktop 1.6.0 command is now,

Code:

 rdesktop -f server-IP -r sound:local -r disk:Z/mnt  -r disk:USB=/media

Hopefully this helps someone having issues with Server 208 and Audio Redirection.

**rtdrury** · 03-30-2009

First try:
rdesktop -r sound:local
rdesktop -r sound:local:esd
rdesktop -r sound:local:oss
rdesktop -r sound:local:alsa

If you think you need device files try:
ls /dev/dsp /dev/snd/control* /dev/snd/pcm*

There may be others in /dev or /dev/snd

**lugoteehalt** · 08-03-2011

Looked up this thread because I needed to know what the /dev sound device was. Have found out how to do it. So for the record:

OSS device /dev/dsp and perhaps /dev/dsp1 etc..

ALSA All the alsa sound devices are in the directory /dev/snd so 'ls /dev/snd' will list them.

To find out which ones are being used, you might have got a message that it can't be used because it's being used by another program for example. 'lsof|grep snd'.

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