第一条命令
~$ pacmd list-cards
2 card(s) available.
    index: 0
        name:
        driver:
        owner module: 25
        properties:
                alsa.card = "1"
                alsa.card_name = "chtrt5645"
                alsa.long_card_name = "TECLAST-TbooK16S-Defaultstring-CherryTrailCR"
                alsa.driver_name = "snd_soc_sst_cht_bsw_rt5645"
                device.bus_path = "platform-cht-bsw-rt5645"
                sysfs.path = "/devices/pci0000:00/808622A8:00/cht-bsw-rt5645/sound/card1"
                device.form_factor = "internal"
                device.string = "1"
                device.description = "内置音频"
                module-udev-detect.discovered = "1"
                device.icon_name = "audio-card"
        profiles:
                HiFi: Default (priority 8000, available: unknown)
                off: 关 (priority 0, available: unknown)
        active profile:
        sinks:
                alsa_output.platform-cht-bsw-rt5645.HiFi__hw_chtrt5645_0__sink/#1: 内置音频 Headphones + Speaker
        sources:
                alsa_output.platform-cht-bsw-rt5645.HiFi__hw_chtrt5645_0__sink.monitor/#1: Monitor of 内置音频 Headphones + Speaker
                alsa_input.platform-cht-bsw-rt5645.HiFi__hw_chtrt5645_0__source/#2: 内置音频 Headset Microphone + Internal Microphone
        ports:
                [Out] Headphone: Headphones (priority 100, latency offset 0 usec, available: no)
                        properties:
                               
                [Out] Speaker: Speaker (priority 100, latency offset 0 usec, available: unknown)
                        properties:
                               
                [In] HSMic: Headset Microphone (priority 100, latency offset 0 usec, available: no)
                        properties:
                               
                [In] Mic: Internal Microphone (priority 150, latency offset 0 usec, available: unknown)
                        properties:
                               
    index: 1
        name:
        driver:
        owner module: 26
        properties:
                alsa.card = "0"
                alsa.card_name = "Intel HDMI/DP LPE Audio"
                alsa.long_card_name = "Intel HDMI/DP LPE Audio"
                alsa.driver_name = "snd_hdmi_lpe_audio"
                device.bus_path = "pci-0000:00:02.0-platform-hdmi-lpe-audio"
                sysfs.path = "/devices/pci0000:00/0000:00:02.0/hdmi-lpe-audio/sound/card0"
                device.bus = "pci"
                device.vendor.id = "8086"
                device.vendor.name = "Intel Corporation"
                device.product.id = "22b0"
                device.product.name = "Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx Series PCI Configuration Registers"
                device.string = "0"
                device.description = "Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx Series PCI Configuration Registers"
                module-udev-detect.discovered = "1"
                device.icon_name = "audio-card-pci"
        profiles:
                output:analog-stereo: 模拟立体声 输出 (priority 6000, available: unknown)
                off: 关 (priority 0, available: unknown)
        active profile:
        sinks:
                alsa_output.pci-0000_00_02.0-platform-hdmi-lpe-audio.analog-stereo/#2: Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx Series PCI Configuration Registers 模拟立体声
        sources:
                alsa_output.pci-0000_00_02.0-platform-hdmi-lpe-audio.analog-stereo.monitor/#3: Monitor of Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx Series PCI Configuration Registers 模拟立体声
        ports:
                analog-output: 模拟输出 (priority 9900, latency offset 0 usec, available: unknown)
                        properties:


然后是第二条命令
~$ pacmd list-sinks
2 sink(s) available.
  * index: 1
        name:
        driver:
        flags: HARDWARE DECIBEL_VOLUME LATENCY DYNAMIC_LATENCY
        state: RUNNING
        suspend cause:
        priority: 9900
        volume: front-left: 47185 /  72% / -8.56 dB,   front-right: 47185 /  72% / -8.56 dB
                balance 0.00
        base volume: 65536 / 100% / 0.00 dB
        volume steps: 65537
        muted: no
        current latency: 0.00 ms
        max request: 19 KiB
        max rewind: 750 KiB
        monitor source: 1
        sample spec: s16le 2ch 48000Hz
        channel map: front-left,front-right
                     立体声
        used by: 1
        linked by: 1
        configured latency: 105.00 ms; range is 0.50 .. 4000.00 ms
        card: 0
        module: 25
        properties:
                alsa.resolution_bits = "16"
                device.api = "alsa"
                device.class = "sound"
                alsa.class = "generic"
                alsa.subclass = "generic-mix"
                alsa.name = ""
                alsa.id = "Audio (*)"
                alsa.subdevice = "0"
                alsa.subdevice_name = "subdevice #0"
                alsa.device = "0"
                alsa.card = "1"
                alsa.card_name = "chtrt5645"
                alsa.long_card_name = "TECLAST-TbooK16S-Defaultstring-CherryTrailCR"
                alsa.driver_name = "snd_soc_sst_cht_bsw_rt5645"
                device.bus_path = "platform-cht-bsw-rt5645"
                sysfs.path = "/devices/pci0000:00/808622A8:00/cht-bsw-rt5645/sound/card1"
                device.form_factor = "internal"
                device.string = "hw:chtrt5645,0"
                device.buffering.buffer_size = "768000"
                device.buffering.fragment_size = "384000"
                device.access_mode = "mmap+timer"
                device.profile.name = "HiFi: hw:chtrt5645,0: sink"
                device.profile.description = "Headphones + Speaker"
                device.description = "内置音频 Headphones + Speaker"
                module-udev-detect.discovered = "1"
                device.icon_name = "audio-card"
        ports:
                [Out] Headphone: Headphones (priority 100, latency offset 0 usec, available: no)
                        properties:
                               
                [Out] Speaker: Speaker (priority 100, latency offset 0 usec, available: unknown)
                        properties:
                               
        active port: <[Out] Speaker>
    index: 2
        name:
        driver:
        flags: HARDWARE DECIBEL_VOLUME LATENCY DYNAMIC_LATENCY
        state: SUSPENDED
        suspend cause: IDLE
        priority: 9059
        volume: front-left: 34537 /  53% / -16.69 dB,   front-right: 34537 /  53% / -16.69 dB
                balance 0.00
        base volume: 65536 / 100% / 0.00 dB
        volume steps: 65537
        muted: no
        current latency: 0.00 ms
        max request: 0 KiB
        max rewind: 0 KiB
        monitor source: 3
        sample spec: s16le 2ch 44100Hz
        channel map: front-left,front-right
                     立体声
        used by: 0
        linked by: 0
        configured latency: 0.00 ms; range is 0.50 .. 2000.18 ms
        card: 1
        module: 26
        properties:
                alsa.resolution_bits = "16"
                device.api = "alsa"
                device.class = "sound"
                alsa.class = "generic"
                alsa.subclass = "generic-mix"
                alsa.name = "Intel HDMI/DP LPE Audio"
                alsa.id = "HdmiLpeAudio"
                alsa.subdevice = "0"
                alsa.subdevice_name = "subdevice #0"
                alsa.device = "0"
                alsa.card = "0"
                alsa.card_name = "Intel HDMI/DP LPE Audio"
                alsa.long_card_name = "Intel HDMI/DP LPE Audio"
                alsa.driver_name = "snd_hdmi_lpe_audio"
                device.bus_path = "pci-0000:00:02.0-platform-hdmi-lpe-audio"
                sysfs.path = "/devices/pci0000:00/0000:00:02.0/hdmi-lpe-audio/sound/card0"
                device.bus = "pci"
                device.vendor.id = "8086"
                device.vendor.name = "Intel Corporation"
                device.product.id = "22b0"
                device.product.name = "Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx Series PCI Configuration Registers"
                device.string = "hw:0"
                device.buffering.buffer_size = "352832"
                device.buffering.fragment_size = "352832"
                device.access_mode = "mmap+timer"
                device.profile.name = "analog-stereo"
                device.profile.description = "模拟立体声"
                device.description = "Atom/Celeron/Pentium Processor x5-E8000/J3xxx/N3xxx Series PCI Configuration Registers 模拟立体声"
                module-udev-detect.discovered = "1"
                device.icon_name = "audio-card-pci"
        ports:
                analog-output: 模拟输出 (priority 9900, latency offset 0 usec, available: unknown)
                        properties:
                               
        active port: