Two built in sound cards detected!?

hi,
In the Audio (Built In) section of the System Profiler, I see TWO audio built in sound card. Is it normal? I'm wondering because my sound car have been changed recently by an Apple Techinician.
In the first built in sound card it is listing a BURR BROWN PCM3052 while in the second one, it is listing a Crystal Semiconductor CD84xx.
Does the technician did something wrong or is it a normal to see this? I'm wondering because sometime, the sound icon of the menu is just disappearing. When this is happening, pressing the volume key are showing a symbol like no-sound. Only a reboot will solve this problem.
thanks,

here is a link to a brand new USB2.0 interface that is high quality and very compact.
http://www.native-instruments.com/index.php?id=audiokontrol1_us
unless you can use the digital output, the problem with the built in output is that it is a single ended or unbalanced output. most mixing boards are designed to accept balanced inputs, with some of them offering unbalanced AUX inputs. while the unbalanced signal will work with an AUX input, or even an adapter cable into a balanced input (shorts ground to the negative lead), the technical answer, assuming that you have some resources and proper planning is to go with a balanced output such as that offered by external interfaces. the extra bonus is that there is a nice big knob for volume control or whatever you want to assign, plus some other programmable buttons for skipping tracks or more advanced controls if you are using a program like Traktor or Ableton Live. (it comes with Traktor LE bundled)

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    Thanks for pointing that out, it was not apparent on the day i used them and wrote the How-To. The links have been replaced with the SID# (Solution ID #) and the title given for the Article.
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  • HP Pavilion dv2500 no sound card detected after reinstallation

    HP Pavilion entertainment PC (Laptop) dv2500
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    null
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    Last edited by Superewza (2011-05-24 21:18:13)

  • Can't record sound anymore -- how do i re-enable built-in sound card?

    I think my laptop has a sound card in the motherboard that somehow got disabled recently; no applications allow me to record voice/sound. Help please?

    I think my laptop has a sound card in the motherboard that somehow got disabled recently; no applications allow me to record voice/sound. Help please?

  • No sound card detected after update [solved] kernel update fixed it

    lsmod |grep snd
    gives nothing.
    $ lsmod
    Module Size Used by
    ipv6 309664 10
    fuse 61136 2
    usbhid 40288 0
    hid 49280 1 usbhid
    usblp 13872 0
    psmouse 54764 0
    ppdev 8472 0
    serio_raw 6132 0
    ohci1394 32516 0
    ieee1394 88640 1 ohci1394
    forcedeth 60160 0
    lp 11524 0
    sg 29664 0
    k8temp 5328 0
    pcspkr 2800 0
    ohci_hcd 25836 0
    ehci_hcd 39612 0
    parport_pc 40616 1
    parport 37200 3 ppdev,lp,parport_pc
    usbcore 161488 5 usbhid,usblp,ohci_hcd,ehci_hcd
    i2c_nforce2 7512 0
    i2c_core 24032 1 i2c_nforce2
    thermal 18896 0
    evdev 11616 7
    processor 44712 1 thermal
    fan 5240 0
    button 7312 0
    battery 12504 0
    ac 4984 0
    rtc_cmos 12056 0
    rtc_core 20100 1 rtc_cmos
    rtc_lib 2864 1 rtc_core
    ext3 140800 2
    jbd 54104 1 ext3
    mbcache 8148 1 ext3
    sd_mod 27528 5
    sr_mod 16804 0
    cdrom 37832 1 sr_mod
    pata_amd 14260 0
    sata_nv 27096 3
    ata_generic 5908 0
    pata_acpi 5168 0
    libata 175468 4 pata_amd,sata_nv,ata_generic,pata_acpi
    scsi_mod 117784 4 sg,sd_mod,sr_mod,libata
    I can't use alsaconf because no sound device is detected.
    Here is lspci..
    $ lspci
    00:00.0 RAM memory: nVidia Corporation C51 Host Bridge (rev a2)
    00:00.1 RAM memory: nVidia Corporation C51 Memory Controller 0 (rev a2)
    00:00.2 RAM memory: nVidia Corporation C51 Memory Controller 1 (rev a2)
    00:00.3 RAM memory: nVidia Corporation C51 Memory Controller 5 (rev a2)
    00:00.4 RAM memory: nVidia Corporation C51 Memory Controller 4 (rev a2)
    00:00.5 RAM memory: nVidia Corporation C51 Host Bridge (rev a2)
    00:00.6 RAM memory: nVidia Corporation C51 Memory Controller 3 (rev a2)
    00:00.7 RAM memory: nVidia Corporation C51 Memory Controller 2 (rev a2)
    00:05.0 VGA compatible controller: nVidia Corporation C51G [GeForce 6100] (rev a2)
    00:09.0 RAM memory: nVidia Corporation MCP51 Host Bridge (rev a2)
    00:0a.0 ISA bridge: nVidia Corporation MCP51 LPC Bridge (rev a3)
    00:0a.1 SMBus: nVidia Corporation MCP51 SMBus (rev a3)
    00:0a.2 RAM memory: nVidia Corporation MCP51 Memory Controller 0 (rev a3)
    00:0b.0 USB Controller: nVidia Corporation MCP51 USB Controller (rev a3)
    00:0b.1 USB Controller: nVidia Corporation MCP51 USB Controller (rev a3)
    00:0d.0 IDE interface: nVidia Corporation MCP51 IDE (rev a1)
    00:0e.0 IDE interface: nVidia Corporation MCP51 Serial ATA Controller (rev a1)
    00:0f.0 IDE interface: nVidia Corporation MCP51 Serial ATA Controller (rev a1)
    00:10.0 PCI bridge: nVidia Corporation MCP51 PCI Bridge (rev a2)
    00:10.1 Audio device: nVidia Corporation MCP51 High Definition Audio (rev a2)
    00:14.0 Bridge: nVidia Corporation MCP51 Ethernet Controller (rev a3)
    00:18.0 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration
    00:18.1 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Address Map
    00:18.2 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] DRAM Controller
    00:18.3 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Miscellaneous Control
    01:0e.0 FireWire (IEEE 1394): Texas Instruments TSB43AB23 IEEE-1394a-2000 Controller (PHY/Link)
    Any ideas, please?
    Last edited by addr (2009-05-13 14:48:37)

    lsmod |grep snd
    gives nothing.
    $ lsmod
    Module Size Used by
    ipv6 309664 10
    fuse 61136 2
    usbhid 40288 0
    hid 49280 1 usbhid
    usblp 13872 0
    psmouse 54764 0
    ppdev 8472 0
    serio_raw 6132 0
    ohci1394 32516 0
    ieee1394 88640 1 ohci1394
    forcedeth 60160 0
    lp 11524 0
    sg 29664 0
    k8temp 5328 0
    pcspkr 2800 0
    ohci_hcd 25836 0
    ehci_hcd 39612 0
    parport_pc 40616 1
    parport 37200 3 ppdev,lp,parport_pc
    usbcore 161488 5 usbhid,usblp,ohci_hcd,ehci_hcd
    i2c_nforce2 7512 0
    i2c_core 24032 1 i2c_nforce2
    thermal 18896 0
    evdev 11616 7
    processor 44712 1 thermal
    fan 5240 0
    button 7312 0
    battery 12504 0
    ac 4984 0
    rtc_cmos 12056 0
    rtc_core 20100 1 rtc_cmos
    rtc_lib 2864 1 rtc_core
    ext3 140800 2
    jbd 54104 1 ext3
    mbcache 8148 1 ext3
    sd_mod 27528 5
    sr_mod 16804 0
    cdrom 37832 1 sr_mod
    pata_amd 14260 0
    sata_nv 27096 3
    ata_generic 5908 0
    pata_acpi 5168 0
    libata 175468 4 pata_amd,sata_nv,ata_generic,pata_acpi
    scsi_mod 117784 4 sg,sd_mod,sr_mod,libata
    I can't use alsaconf because no sound device is detected.
    Here is lspci..
    $ lspci
    00:00.0 RAM memory: nVidia Corporation C51 Host Bridge (rev a2)
    00:00.1 RAM memory: nVidia Corporation C51 Memory Controller 0 (rev a2)
    00:00.2 RAM memory: nVidia Corporation C51 Memory Controller 1 (rev a2)
    00:00.3 RAM memory: nVidia Corporation C51 Memory Controller 5 (rev a2)
    00:00.4 RAM memory: nVidia Corporation C51 Memory Controller 4 (rev a2)
    00:00.5 RAM memory: nVidia Corporation C51 Host Bridge (rev a2)
    00:00.6 RAM memory: nVidia Corporation C51 Memory Controller 3 (rev a2)
    00:00.7 RAM memory: nVidia Corporation C51 Memory Controller 2 (rev a2)
    00:05.0 VGA compatible controller: nVidia Corporation C51G [GeForce 6100] (rev a2)
    00:09.0 RAM memory: nVidia Corporation MCP51 Host Bridge (rev a2)
    00:0a.0 ISA bridge: nVidia Corporation MCP51 LPC Bridge (rev a3)
    00:0a.1 SMBus: nVidia Corporation MCP51 SMBus (rev a3)
    00:0a.2 RAM memory: nVidia Corporation MCP51 Memory Controller 0 (rev a3)
    00:0b.0 USB Controller: nVidia Corporation MCP51 USB Controller (rev a3)
    00:0b.1 USB Controller: nVidia Corporation MCP51 USB Controller (rev a3)
    00:0d.0 IDE interface: nVidia Corporation MCP51 IDE (rev a1)
    00:0e.0 IDE interface: nVidia Corporation MCP51 Serial ATA Controller (rev a1)
    00:0f.0 IDE interface: nVidia Corporation MCP51 Serial ATA Controller (rev a1)
    00:10.0 PCI bridge: nVidia Corporation MCP51 PCI Bridge (rev a2)
    00:10.1 Audio device: nVidia Corporation MCP51 High Definition Audio (rev a2)
    00:14.0 Bridge: nVidia Corporation MCP51 Ethernet Controller (rev a3)
    00:18.0 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] HyperTransport Technology Configuration
    00:18.1 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Address Map
    00:18.2 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] DRAM Controller
    00:18.3 Host bridge: Advanced Micro Devices [AMD] K8 [Athlon64/Opteron] Miscellaneous Control
    01:0e.0 FireWire (IEEE 1394): Texas Instruments TSB43AB23 IEEE-1394a-2000 Controller (PHY/Link)
    Any ideas, please?
    Last edited by addr (2009-05-13 14:48:37)

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