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#1 2019-04-06 03:57:14

TxmszLou
Member
Registered: 2018-02-20
Posts: 2

No sound from Airpods

I have connected AirPods through bluetoothctl, but couldn't get it to sound.
I have changed the output device to AirPods from pavucontrol and changed to the profile A2DP, still no sound.

Here is some information about the devices (with pulseaudio)

pacmd list-sinks:

2 sink(s) available.
    index: 0
	name: <alsa_output.pci-0000_00_1f.3.analog-stereo>
	driver: <module-alsa-card.c>
	flags: HARDWARE HW_MUTE_CTRL HW_VOLUME_CTRL DECIBEL_VOLUME LATENCY DYNAMIC_LATENCY
	state: IDLE
	suspend cause: (none)
	priority: 9039
	volume: front-left: 24200 /  37% / -25.96 dB,   front-right: 24200 /  37% / -25.96 dB
	        balance 0.00
	base volume: 65536 / 100% / 0.00 dB
	volume steps: 65537
	muted: no
	current latency: 36.49 ms
	max request: 6 KiB
	max rewind: 6 KiB
	monitor source: 0
	sample spec: s16le 2ch 44100Hz
	channel map: front-left,front-right
	             Stereo
	used by: 0
	linked by: 1
	configured latency: 40.00 ms; range is 0.50 .. 2000.00 ms
	card: 0 <alsa_card.pci-0000_00_1f.3>
	module: 6
	properties:
		alsa.resolution_bits = "16"
		device.api = "alsa"
		device.class = "sound"
		alsa.class = "generic"
		alsa.subclass = "generic-mix"
		alsa.name = "ALC293 Analog"
		alsa.id = "ALC293 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 0xe1240000 irq 129"
		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 = "9d70"
		device.product.name = "Sunrise Point-LP HD Audio"
		device.form_factor = "internal"
		device.string = "front:0"
		device.buffering.buffer_size = "352800"
		device.buffering.fragment_size = "176400"
		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 ALC293"
		alsa.components = "HDA:10ec0293,17aa5053,00100003 HDA:80862809,80860101,00100000"
		module-udev-detect.discovered = "1"
		device.icon_name = "audio-card-pci"
	ports:
		analog-output-speaker: Speakers (priority 10000, latency offset 0 usec, available: unknown)
			properties:
				device.icon_name = "audio-speakers"
		analog-output-headphones: Headphones (priority 9000, latency offset 0 usec, available: no)
			properties:
				device.icon_name = "audio-headphones"
	active port: <analog-output-speaker>
  * index: 4
	name: <bluez_sink.9C_64_8B_70_BA_CC.a2dp_sink>
	driver: <module-bluez5-device.c>
	flags: HARDWARE DECIBEL_VOLUME LATENCY 
	state: RUNNING
	suspend cause: (none)
	priority: 9950
	volume: front-left: 24200 /  37% / -25.96 dB,   front-right: 24200 /  37% / -25.96 dB
	        balance 0.00
	base volume: 65536 / 100% / 0.00 dB
	volume steps: 65537
	muted: no
	current latency: 69.64 ms
	max request: 4 KiB
	max rewind: 0 KiB
	monitor source: 5
	sample spec: s16le 2ch 44100Hz
	channel map: front-left,front-right
	             Stereo
	used by: 1
	linked by: 3
	fixed latency: 48.22 ms
	card: 4 <bluez_card.9C_64_8B_70_BA_CC>
	module: 27
	properties:
		bluetooth.protocol = "a2dp_sink"
		device.description = "AirPods"
		device.string = "9C:64:8B:70:BA:CC"
		device.api = "bluez"
		device.class = "sound"
		device.bus = "bluetooth"
		device.form_factor = "headphone"
		bluez.path = "/org/bluez/hci0/dev_9C_64_8B_70_BA_CC"
		bluez.class = "0x240418"
		bluez.alias = "AirPods"
		device.icon_name = "audio-headphones-bluetooth"
	ports:
		headphone-output: Headphone (priority 0, latency offset 0 usec, available: yes)
			properties:
				
	active port: <headphone-output>

pacmd list-sink-inputs:

1 sink input(s) available.
    index: 41
	driver: <protocol-native.c>
	flags: START_CORKED 
	state: RUNNING
	sink: 4 <bluez_sink.9C_64_8B_70_BA_CC.a2dp_sink>
	volume: front-left: 65536 / 100% / 0.00 dB,   front-right: 65536 / 100% / 0.00 dB
	        balance 0.00
	muted: no
	current latency: 151.77 ms
	requested latency: 48.22 ms
	sample spec: float32le 2ch 44100Hz
	channel map: front-left,front-right
	             Stereo
	resample method: copy
	module: 11
	client: 14 <Lollypop>
	properties:
		media.name = "'Answer' by '衣笠道雄'"
		application.name = "Lollypop"
		native-protocol.peer = "UNIX socket client"
		native-protocol.version = "32"
		media.role = "music"
		application.icon_name = "org.gnome.Lollypop"
		application.process.id = "3675"
		application.process.user = "txmszlou"
		application.process.host = "watashi"
		application.process.binary = "python3.7"
		application.language = "en_US.UTF-8"
		window.x11.display = ":0"
		application.process.machine_id = "e6c236ce5cb24dc6968b1d4850734001"
		application.process.session_id = "1"
		module-stream-restore.id = "sink-input-by-media-role:music"
		media.title = "Answer"
		media.artist = "衣笠道雄"

Have anyone experienced similar issues?  Any suggestions are welcome.  Thanks!

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#2 2019-06-18 14:30:26

V1del
Forum Moderator
Registered: 2012-10-16
Posts: 7,640

Re: No sound from Airpods

You have a relatively low 37% volume configured, is this not just too little? FWIW one thing you can try is installing e.g. https://aur.archlinux.org/packages/puls … les-bt-git which expands on the codec support of the pulse bluez modules. Also (I don't use airpods so no idea if this applies) ensure that it isn't muted in hardware via some switch or so.

Last edited by V1del (2019-06-18 14:38:17)

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