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启用 IDT 高清晰度音频编解码器硬件增强声音

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启用 IDT 高清晰度音频编解码器硬件增强声音

我买了一台新的 HP pavilion 6g 2301ek 笔记本电脑，我遇到的驱动程序问题（我无法解决）之一是 IDT 硬件增强。在 Windows 上，使用通用声音驱动程序，声音输出现在与 Ubuntu 中相同。在 Windows 上安装 IDT 驱动程序后，它可以启用杜比硬件增强，但在 Ubuntu 上却无法做到这一点。有什么解决办法吗？

我在网上找不到任何驱动程序，有些人建议使用软件解决方案，但我需要使用集成硬件。我正在使用 ubuntu raring 64 位版本。

一些输出

cat /proc/asound/card0/codec#* | grep Codec

Codec: IDT 92HD87B2/4
Codec: Intel PantherPoint HDMI

播放-L

default
    Playback/recording through the PulseAudio sound server
sysdefault:CARD=PCH
    HDA Intel PCH, STAC92xx Analog
    Default Audio Device
front:CARD=PCH,DEV=0
    HDA Intel PCH, STAC92xx Analog
    Front speakers
surround40:CARD=PCH,DEV=0
    HDA Intel PCH, STAC92xx Analog
    4.0 Surround output to Front and Rear speakers
surround41:CARD=PCH,DEV=0
    HDA Intel PCH, STAC92xx Analog
    4.1 Surround output to Front, Rear and Subwoofer speakers
surround50:CARD=PCH,DEV=0
    HDA Intel PCH, STAC92xx Analog
    5.0 Surround output to Front, Center and Rear speakers
surround51:CARD=PCH,DEV=0
    HDA Intel PCH, STAC92xx Analog
    5.1 Surround output to Front, Center, Rear and Subwoofer speakers
surround71:CARD=PCH,DEV=0
    HDA Intel PCH, STAC92xx Analog
    7.1 Surround output to Front, Center, Side, Rear and Woofer speakers
hdmi:CARD=PCH,DEV=0
    HDA Intel PCH, HDMI 0
    HDMI Audio Output
dmix:CARD=PCH,DEV=0
    HDA Intel PCH, STAC92xx Analog
    Direct sample mixing device
dmix:CARD=PCH,DEV=3
    HDA Intel PCH, HDMI 0
    Direct sample mixing device
dsnoop:CARD=PCH,DEV=0
    HDA Intel PCH, STAC92xx Analog
    Direct sample snooping device
dsnoop:CARD=PCH,DEV=3
    HDA Intel PCH, HDMI 0
    Direct sample snooping device
hw:CARD=PCH,DEV=0
    HDA Intel PCH, STAC92xx Analog
    Direct hardware device without any conversions
hw:CARD=PCH,DEV=3
    HDA Intel PCH, HDMI 0
    Direct hardware device without any conversions
plughw:CARD=PCH,DEV=0
    HDA Intel PCH, STAC92xx Analog
    Hardware device with all software conversions
plughw:CARD=PCH,DEV=3
    HDA Intel PCH, HDMI 0
    Hardware device with all software conversions

lspci-nn| grep -i 音频

00:1b.0 Audio device [0403]: Intel Corporation 7 Series/C210 Series Chipset Family High Definition Audio Controller [8086:1e20] (rev 04)

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