能否截图 还有是系统层面 还是浏览器 还是其他的

qq音乐没声音，浏览器也没声音,升级前正常

zhouzhinian@me:~$ pacmd list-cards

2 card(s) available.
    index: 0
        name: 
        driver: 
        owner module: 6
        properties:
                alsa.card = "1"
                alsa.card_name = "HDA NVidia"
                alsa.long_card_name = "HDA NVidia at 0xa3080000 irq 17"
                alsa.driver_name = "snd_hda_intel"
                device.bus_path = "pci-0000:01:00.1"
                sysfs.path = "/devices/pci0000:00/0000:00:01.0/0000:01:00.1/sound/card1"
                device.bus = "pci"
                device.vendor.id = "10de"
                device.vendor.name = "NVIDIA Corporation"
                device.product.id = "10f1"
                device.product.name = "GP106 High Definition Audio Controller"
                device.string = "1"
                device.descrīption = "GP106 High Definition Audio Controller"
                module-udev-detect.discovered = "1"
                device.icon_name = "audio-card-pci"

profiles:
                output:hdmi-stereo: Digital Stereo (HDMI) 输出 (priority 5900, available: no)
                output:hdmi-surround: Digital Surround 5.1 (HDMI) 输出 (priority 800, available: no)
                output:hdmi-surround71: Digital Surround 7.1 (HDMI) 输出 (priority 800, available: no)
                output:hdmi-stereo-extra1: Digital Stereo (HDMI 2) 输出 (priority 5700, available: no)
                output:hdmi-surround-extra1: Digital Surround 5.1 (HDMI 2) 输出 (priority 600, available: no)
                output:hdmi-surround71-extra1: Digital Surround 7.1 (HDMI 2) 输出 (priority 600, available: no)
                output:hdmi-stereo-extra2: Digital Stereo (HDMI 3) 输出 (priority 5700, available: no)
                output:hdmi-surround-extra2: Digital Surround 5.1 (HDMI 3) 输出 (priority 600, available: no)
                output:hdmi-surround71-extra2: Digital Surround 7.1 (HDMI 3) 输出 (priority 600, available: no)
                output:hdmi-stereo-extra3: Digital Stereo (HDMI 4) 输出 (priority 5700, available: no)
                output:hdmi-surround-extra3: Digital Surround 5.1 (HDMI 4) 输出 (priority 600, available: no)
                output:hdmi-surround71-extra3: Digital Surround 7.1 (HDMI 4) 输出 (priority 600, available: no)
                output:hdmi-stereo-extra4: Digital Stereo (HDMI 5) 输出 (priority 5700, available: no)
                output:hdmi-surround-extra4: Digital Surround 5.1 (HDMI 5) 输出 (priority 600, available: no)
                output:hdmi-surround71-extra4: Digital Surround 7.1 (HDMI 5) 输出 (priority 600, available: no)
                output:hdmi-stereo-extra5: Digital Stereo (HDMI 6) 输出 (priority 5700, available: no)
                output:hdmi-surround-extra5: Digital Surround 5.1 (HDMI 6) 输出 (priority 600, available: no)
                output:hdmi-surround71-extra5: Digital Surround 7.1 (HDMI 6) 输出 (priority 600, available: no)
                output:hdmi-stereo-extra6: Digital Stereo (HDMI 7) 输出 (priority 5700, available: no)
                output:hdmi-surround-extra6: Digital Surround 5.1 (HDMI 7) 输出 (priority 600, available: no)
                output:hdmi-surround71-extra6: Digital Surround 7.1 (HDMI 7) 输出 (priority 600, available: no)
                off: 关 (priority 0, available: unknown)
        active profile: 
        sinks:
                alsa_output.pci-0000_01_00.1.hdmi-stereo-extra5/#25: GP106 High Definition Audio Controller Digital Stereo (HDMI 6)
        sources:
                alsa_output.pci-0000_01_00.1.hdmi-stereo-extra5.monitor/#33: Monitor of GP106 High Definition Audio Controller Digital Stereo (HDMI 6)
        ports:
                hdmi-output-0: HDMI / DisplayPort (priority 5900, latency offset 0 usec, available: no)
                        properties:
                                device.icon_name = "video-display"
                hdmi-output-1: HDMI / DisplayPort 2 (priority 5800, latency offset 0 usec, available: no)
                        properties:
                                device.icon_name = "video-display"
                hdmi-output-2: HDMI / DisplayPort 3 (priority 5700, latency offset 0 usec, available: no)
                        properties:
                                device.icon_name = "video-display"
                hdmi-output-3: HDMI / DisplayPort 4 (priority 5600, latency offset 0 usec, available: no)
                        properties:
                                device.icon_name = "video-display"
                hdmi-output-4: HDMI / DisplayPort 5 (priority 5500, latency offset 0 usec, available: no)
                        properties:
                                device.icon_name = "video-display"
                hdmi-output-5: HDMI / DisplayPort 6 (priority 5400, latency offset 0 usec, available: no)
                        properties:
                                device.icon_name = "video-display"
                hdmi-output-6: HDMI / DisplayPort 7 (priority 5300, latency offset 0 usec, available: no)
                        properties:
                                device.icon_name = "video-display"
    index: 1

name: 
        driver: 
        owner module: 7
        properties:
                alsa.card = "0"
                alsa.card_name = "HDA Intel PCH"
                alsa.long_card_name = "HDA Intel PCH at 0xa3230000 irq 128"
                alsa.driver_name = "snd_hda_intel"
                device.bus_path = "pci-0000:00:1f.3"
                sysfs.path = "/devices/pci0000:00/0000:00:1f.3/sound/card0"
                device.bus = "pci"
                device.vendor.id = "8086"
                device.vendor.name = "Intel Corporation"
                device.product.id = "a348"
                device.product.name = "Cannon Lake PCH cAVS"
                device.form_factor = "internal"
                device.string = "0"
                device.descrīption = "内置音频"
                module-udev-detect.discovered = "1"
                device.icon_name = "audio-card-pci"
        profiles:
                input:analog-stereo: 模拟立体声 输入 (priority 65, available: no)
                output:analog-stereo: 模拟立体声 输出 (priority 6500, available: unknown)
                output:analog-stereo+input:analog-stereo: 模拟立体声双工 (priority 6565, available: unknown)
                output:iec958-stereo: 数字立体声(IEC958) 输出 (priority 5500, available: unknown)
                output:iec958-stereo+input:analog-stereo: 数字立体声(IEC958) 输出 + 模拟立体声 输入 (priority 5565, available: unknown)
                output:iec958-ac3-surround-51: 数字环绕 5.1(IEC958/AC3) 输出 (priority 300, available: no)
                output:iec958-ac3-surround-51+input:analog-stereo: 数字环绕 5.1(IEC958/AC3) 输出 + 模拟立体声 输入 (priority 365, available: no)
                off: 关 (priority 0, available: unknown)
        active profile: 
        sinks:
                alsa_output.pci-0000_00_1f.3.analog-stereo/#28: 内置音频 模拟立体声
        sources:
                alsa_output.pci-0000_00_1f.3.analog-stereo.monitor/#37: Monitor of 内置音频 模拟立体声
        ports:
                analog-input-front-mic: 前麦克风 (priority 8500, latency offset 0 usec, available: no)
                        properties:
                                device.icon_name = "audio-input-microphone"
                analog-input-rear-mic: 后麦克风 (priority 8200, latency offset 0 usec, available: no)
                        properties:
                                device.icon_name = "audio-input-microphone"
                analog-input-linein: 输入插孔 (priority 8100, latency offset 0 usec, available: no)
                        properties:

                analog-output-lineout: 线缆输出 (priority 9900, latency offset 0 usec, available: yes)
                        properties:

                analog-output-headphones: 模拟耳机 (priority 9000, latency offset 0 usec, available: no)
                        properties:
                                device.icon_name = "audio-headphones"
                iec958-stereo-output: 数字输出 (S/PDIF) (priority 0, latency offset 0 usec, available: unknown)
                        properties:

你帮我看看，我代码发下面了，

每次开机都是要用那个控制器开声音。

找到原因了，可能是新版 本不支持声卡驱动，我换了外置声卡后就有声音了

可能是新版 本不支持内置声卡驱动，我换了外置声卡后就有声音了

以前版本多少？pluseaduio能不能切换输出源？

以前版本20

版本号：20.1，内核版本5.4.70 插入耳机无声音，好气。

解决无声音问题。

感谢楼主，真的有用!