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Thanks for any help you can offer. The problem I have is there is no sound on the HDMI port. I get video, but no sound. I'm a Linux newby but am trying to learn. The information below appears to be relevant from my research. Somebody push me in the right direction!

aplay -l

**** List of PLAYBACK Hardware Devices ****

    card 0: HDMI [HDA ATI HDMI], device 3: HDMI 0 [HDMI 0]

      Subdevices: 1/1

      Subdevice #0: subdevice #0

    card 1: Generic [HD-Audio Generic], device 0: ALC887-VD Analog [ALC887-VD Analog]

      Subdevices: 1/1

      Subdevice #0: subdevice #0

    card 1: Generic [HD-Audio Generic], device 1: ALC887-VD Digital [ALC887-VD Digital]

      Subdevices: 1/1

      Subdevice #0: subdevice #0

speaker-test -c 2 -l 1 -D hw:0,3 does NOT produce sound.

pacmd list-cards

2 card(s) available.

index: 0

name: <alsa_card.pci-0000_00_01.1>

driver: <module-alsa-card.c>

owner module: 6

properties:

    alsa.card = "0"

    alsa.card_name = "HDA ATI HDMI"

    alsa.long_card_name = "HDA ATI HDMI at 0xfeb44000 irq 38"

    alsa.driver_name = "snd_hda_intel"

    device.bus_path = "pci-0000:00:01.1"

    sysfs.path = "/devices/pci0000:00/0000:00:01.1/sound/card0"

    device.bus = "pci"

    device.vendor.id = "1002"

    device.vendor.name = "Advanced Micro Devices, Inc. [AMD/ATI]"

    device.product.id = "9902"

    device.product.name = "Trinity HDMI Audio Controller"

    device.form_factor = "internal"

    device.string = "0"

    device.description = "Built-in Audio"

    module-udev-detect.discovered = "1"

    device.icon_name = "audio-card-pci"

profiles:

    output:hdmi-stereo: Digital Stereo (HDMI) Output (priority 5400, available: no)

    output:hdmi-surround: Digital Surround 5.1 (HDMI) Output (priority 300, available: no)

    output:hdmi-surround71: Digital Surround 7.1 (HDMI) Output (priority 300, available: no)

    off: Off (priority 0, available: unknown)

active profile: <off>

ports:

    hdmi-output-0: HDMI / DisplayPort (priority 5900, latency offset 0 usec, available: no)

        properties:

            device.icon_name = "video-display"

index: 1

name: <alsa_card.pci-0000_00_14.2>

driver: <module-alsa-card.c>

owner module: 7

properties:

    alsa.card = "1"

    alsa.card_name = "HD-Audio Generic"

    alsa.long_card_name = "HD-Audio Generic at 0xfeb40000 irq 16"

    alsa.driver_name = "snd_hda_intel"

    device.bus_path = "pci-0000:00:14.2"

    sysfs.path = "/devices/pci0000:00/0000:00:14.2/sound/card1"

    device.bus = "pci"

    device.vendor.id = "1022"

    device.vendor.name = "Advanced Micro Devices, Inc. [AMD]"

    device.product.id = "780d"

    device.product.name = "FCH Azalia Controller"

    device.form_factor = "internal"

    device.string = "1"

    device.description = "Built-in Audio"

    module-udev-detect.discovered = "1"

    device.icon_name = "audio-card-pci"

profiles:

    input:analog-stereo: Analog Stereo Input (priority 60, available: no)

    output:analog-stereo: Analog Stereo Output (priority 6000, available: no)

    output:analog-stereo+input:analog-stereo: Analog Stereo Duplex (priority 6060, available: no)

    output:iec958-stereo: Digital Stereo (IEC958) Output (priority 5500, available: unknown)

    output:iec958-stereo+input:analog-stereo: Digital Stereo (IEC958) Output + Analog Stereo Input (priority 5560, available: unknown)

    off: Off (priority 0, available: unknown)

active profile: <output:iec958-stereo+input:analog-stereo>

sinks:

    alsa_output.pci-0000_00_14.2.iec958-stereo/#0: Built-in Audio Digital Stereo (IEC958)

sources:

    alsa_output.pci-0000_00_14.2.iec958-stereo.monitor/#0: Monitor of Built-in Audio Digital Stereo (IEC958)

    alsa_input.pci-0000_00_14.2.analog-stereo/#1: Built-in Audio Analog Stereo

ports:

    analog-input-front-mic: Front Microphone (priority 8500, latency offset 0 usec, available: no)

        properties:

            device.icon_name = "audio-input-microphone"

    analog-input-rear-mic: Rear Microphone (priority 8200, latency offset 0 usec, available: no)

        properties:

            device.icon_name = "audio-input-microphone"

    analog-input-linein: Line In (priority 8100, latency offset 0 usec, available: no)

        properties:



    analog-output-lineout: Line Out (priority 9900, latency offset 0 usec, available: no)

        properties:



    analog-output-headphones: Headphones (priority 9000, latency offset 0 usec, available: no)

        properties:

            device.icon_name = "audio-headphones"

    iec958-stereo-output: Digital Output (S/PDIF) (priority 0, latency offset 0 usec, available: unknown)

        properties:

Relevant part of lspci -v

00:01.1 Audio device: Advanced Micro Devices, Inc. [AMD/ATI] Trinity HDMI Audio Controller

    Subsystem: ASUSTeK Computer Inc. Trinity HDMI Audio Controller

    Flags: bus master, fast devsel, latency 0, IRQ 38

    Memory at feb44000 (32-bit, non-prefetchable) [size=16K]

    Capabilities: <access denied>

    Kernel driver in use: snd_hda_intel

    Kernel modules: snd_hda_intel