PulseAudio

PulseAudio

PulseAudio Configuration

hochob@server:~$ sudo nano /etc/pulse/default.pa

PulseAudio Sound Server Reconfigure

hochob@server:~$ pacmd 
Welcome to PulseAudio 5.0! Use "help" for usage information.
>>> list-sinks
1 sink(s) available.
  * index: 0
    name: <alsa_output.pci-0000_00_1b.0.analog-stereo>
    driver: <module-alsa-card.c>
    flags: HARDWARE HW_MUTE_CTRL HW_VOLUME_CTRL DECIBEL_VOLUME LATENCY FLAT_VOLUME DYNAMIC_LATENCY
    state: SUSPENDED
    suspend cause: IDLE 
    priority: 9959
    volume: front-left: 30129 /  46% / -20.25 dB,   front-right: 30129 /  46% / -20.25 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: 0
    sample spec: s16le 2ch 44100Hz
    channel map: front-left,front-right
                 Stereo
    used by: 0
    linked by: 0
    configured latency: 0.00 ms; range is 0.50 .. 371.52 ms
    card: 0 <alsa_card.pci-0000_00_1b.0>
    module: 6
    properties:
        alsa.resolution_bits = "16"
        device.api = "alsa"
        device.class = "sound"
        alsa.class = "generic"
        alsa.subclass = "generic-mix"
        alsa.name = "ALC283 Analog"
        alsa.id = "ALC283 Analog"
        alsa.subdevice = "0"
        alsa.subdevice_name = "subdevice #0"
        alsa.device = "0"
        alsa.card = "0"
        alsa.card_name = "HDA Intel PCH"
        alsa.long_card_name = "HDA Intel PCH at 0x81414000 irq 133"
        alsa.driver_name = "snd_hda_intel"
        device.bus_path = "pci-0000:00:1b.0"
        sysfs.path = "/devices/pci0000:00/0000:00:1b.0/sound/card0"
        device.bus = "pci"
        device.vendor.id = "8086"
        device.vendor.name = "Intel Corporation"
        device.product.id = "2284"
        device.form_factor = "internal"
        device.string = "front:0"
        device.buffering.buffer_size = "65536"
        device.buffering.fragment_size = "32768"
        device.access_mode = "mmap+timer"
        device.profile.name = "analog-stereo"
        device.profile.description = "Analog Stereo"
        device.description = "Built-in Audio Analog Stereo"
        alsa.mixer_name = "Intel Braswell HDMI"
        alsa.components = "HDA:10ec0283,80862060,00100003 HDA:80862883,80860101,00100000"
        module-udev-detect.discovered = "1"
        device.icon_name = "audio-card-pci"
    ports:
        analog-output-headphones: Headphones (priority 9000, latency offset 0 usec, available: unknown)
            properties:
                device.icon_name = "audio-headphones"
    active port: <analog-output-headphones>
>>>

Sandbox

pacmd set-card-profile 0 output:hdmi-stereo-extra1
pacmd set-card-profile 0 output:hdmi-stereo-extra2

Issues

• Latency when playing through HDMI

hochob@server:~/CodeLabs/Hochob/LupeRobot$ pacmd set-sink-volume 0 65537
hochob@server:~/CodeLabs/Hochob/LupeRobot$ pacmd set-sink-mute 0 0

apt-get install vorbis-tools
apt-get install mpg123
apt-get install sox
hochob@server:~/CodeLabs/Hochob/LupeRobot$ pacmd set-default-sink 0
hochob@server:~/CodeLabs/Hochob/LupeRobot$ espeak "hello world" --stdout | sox - -t vorbis - | ogg123 -

Espeak

sudo apt-get install automake
sudo apt-get install libtool

apt-get install festival festvox-ellpc11k
apt-get install festival
echo "hola mundo" | festival --tts --language spanish

Pulse Audio

hochob@server:~$ pacmd
Welcome to PulseAudio 9.0! Use "help" for usage information.
>>> list-sinks

2 sink(s) available.
  * index: 0
    name: <alsa_output.pci-0000_00_03.0.hdmi-stereo-extra1>
    driver: <module-alsa-card.c>
    flags: HARDWARE DECIBEL_VOLUME LATENCY DYNAMIC_LATENCY
    state: SUSPENDED
    suspend cause: IDLE 
    priority: 9950
    volume: front-left: 65536 / 100% / 0.00 dB,   front-right: 65536 / 100% / 0.00 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: 0
    sample spec: s16le 2ch 44100Hz
    channel map: front-left,front-right
                 Stereo
    used by: 0
    linked by: 0
    configured latency: 0.00 ms; range is 0.50 .. 371.52 ms
    card: 0 <alsa_card.pci-0000_00_03.0>
    module: 6
    properties:
        alsa.resolution_bits = "16"
        device.api = "alsa"
        device.class = "sound"
        alsa.class = "generic"
        alsa.subclass = "generic-mix"
        alsa.name = "HDMI 1"
        alsa.id = "HDMI 1"
        alsa.subdevice = "0"
        alsa.subdevice_name = "subdevice #0"
        alsa.device = "7"
        alsa.card = "0"
        alsa.card_name = "HDA Intel HDMI"
        alsa.long_card_name = "HDA Intel HDMI at 0xaa134000 irq 49"
        alsa.driver_name = "snd_hda_intel"
        device.bus_path = "pci-0000:00:03.0"
        sysfs.path = "/devices/pci0000:00/0000:00:03.0/sound/card0"
        device.bus = "pci"
        device.vendor.id = "8086"
        device.vendor.name = "Intel Corporation"
        device.product.id = "160c"
        device.product.name = "Broadwell-U Audio Controller"
        device.form_factor = "internal"
        device.string = "hdmi:0,1"
        device.buffering.buffer_size = "65536"
        device.buffering.fragment_size = "32768"
        device.access_mode = "mmap+timer"
        device.profile.name = "hdmi-stereo-extra1"
        device.profile.description = "Digital Stereo (HDMI 2)"
        device.description = "Built-in Audio Digital Stereo (HDMI 2)"
        alsa.mixer_name = "Intel Broadwell HDMI"
        alsa.components = "HDA:80862808,80860101,00100000"
        module-udev-detect.discovered = "1"
        device.icon_name = "audio-card-pci"
    ports:
        hdmi-output-1: HDMI / DisplayPort 2 (priority 5800, latency offset 0 usec, available: yes)
            properties:
                device.icon_name = "video-display"
                device.product.name = "X551S"
    active port: <hdmi-output-1>
    index: 1
    name: <alsa_output.pci-0000_00_1b.0.analog-stereo>
    driver: <module-alsa-card.c>
    flags: HARDWARE HW_MUTE_CTRL HW_VOLUME_CTRL DECIBEL_VOLUME LATENCY DYNAMIC_LATENCY
    state: SUSPENDED
    suspend cause: IDLE 
    priority: 9959
    volume: front-left: 57962 /  88% / -3.20 dB,   front-right: 57962 /  88% / -3.20 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: 1
    sample spec: s16le 2ch 44100Hz
    channel map: front-left,front-right
                 Stereo
    used by: 0
    linked by: 0
    configured latency: 0.00 ms; range is 0.50 .. 371.52 ms
    card: 1 <alsa_card.pci-0000_00_1b.0>
    module: 20
    properties:
        alsa.resolution_bits = "16"
        device.api = "alsa"
        device.class = "sound"
        alsa.class = "generic"
        alsa.subclass = "generic-mix"
        alsa.name = "ALC283 Analog"
        alsa.id = "ALC283 Analog"
        alsa.subdevice = "0"
        alsa.subdevice_name = "subdevice #0"
        alsa.device = "0"
        alsa.card = "1"
        alsa.card_name = "HDA Intel PCH"
        alsa.long_card_name = "HDA Intel PCH at 0xaa130000 irq 47"
        alsa.driver_name = "snd_hda_intel"
        device.bus_path = "pci-0000:00:1b.0"
        sysfs.path = "/devices/pci0000:00/0000:00:1b.0/sound/card1"
        device.bus = "pci"
        device.vendor.id = "8086"
        device.vendor.name = "Intel Corporation"
        device.product.id = "9ca0"
        device.product.name = "Wildcat Point-LP High Definition Audio Controller"
        device.form_factor = "internal"
        device.string = "front:1"
        device.buffering.buffer_size = "65536"
        device.buffering.fragment_size = "32768"
        device.access_mode = "mmap+timer"
        device.profile.name = "analog-stereo"
        device.profile.description = "Analog Stereo"
        device.description = "Built-in Audio Analog Stereo"
        alsa.mixer_name = "Realtek ALC283"
        alsa.components = "HDA:10ec0283,80862058,00100003"
        module-udev-detect.discovered = "1"
        device.icon_name = "audio-card-pci"
    ports:
        analog-output-headphones: Headphones (priority 9000, latency offset 0 usec, available: yes)
            properties:
                device.icon_name = "audio-headphones"
    active port: <analog-output-headphones>
>>>

>>> list-samples
0 cache entrie(s) available.
>>> set-default-sink 0
>>>

pacmd << EOF
set-default-sink 0
EOF

Set Default

hochob@server:~$ pacmd list-sources | grep -e device.string -e 'name:'
    name: <alsa_output.pci-0000_00_03.0.hdmi-stereo-extra1.monitor>
        device.string = "0"
    name: <alsa_input.usb-Microsoft_Microsoft___LifeCam_Studio_TM_-02.analog-mono>
        device.string = "hw:1"
    name: <alsa_output.pci-0000_00_1b.0.analog-stereo.monitor>
        device.string = "2"
    name: <alsa_input.pci-0000_00_1b.0.analog-stereo>
        device.string = "front:2"
hochob@server:~$

hochob@server:~$ sudo nano /etc/pulse/default.pa
set-default-sink alsa_output.pci-0000_00_03.0.hdmi-stereo-extra1.monitor

hochob@server:~$ pacmd "set-default-sink alsa_output.pci-0000_00_03.0.hdmi-stereo-extra1.monitor"

hochob@server:~$ pacmd "set-default-source alsa_input.usb-Microsoft_Microsoft___LifeCam_Studio_TM_-02.analog-mono"
hochob@server:~$ arecord hola
Recording WAVE 'hola' : Unsigned 8 bit, Rate 8000 Hz, Mono
^CAborted by signal Interrupt...
hochob@server:~$ aplay hola

`sh ... .ifexists module-udev-detect.so load-module module-udev-detect tsched=0 .else ... set-default-sink 0 set-default-source 3