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jacklu333333

Member

Registered: 2020-09-24

Posts: 4

Pulseaudio cannot load LDAC and HSP/HFP modules

Recently, I bout a hew headset, Sony wh-1000xm3. It supposes to support LDAC profile. However, I fail to change the profile to LDAC. Also, I cannot see my headset mic input in pulseaudio as well. To my understanding, if the profile is changed to HSP/HFP the mic will show up, that's why I want to change to HSP/HFP.The only profile module that I can load is A2DP_SBC.

* I already install pulseaudio-modules-bt and libldac package.

Yet, the following is my pacmd list-cards result. It says HSP/HFP is unknown and a2dp_sink_ldac is not available. This really confused me. I could not any other guys has the similar problem

 index: 0
	name: <bluez_card.38_18_4C_BD_D9_CB>
	driver: <module-bluez5-device.c>
	owner module: 11
	properties:
		device.description = "WH-1000XM3"
		device.string = "38:18:4C:BD:D9:CB"
		device.api = "bluez"
		device.class = "sound"
		device.bus = "bluetooth"
		bluez.path = "/org/bluez/hci0/dev_38_18_4C_BD_D9_CB"
		bluez.class = "0x000000"
		bluez.alias = "WH-1000XM3"
		device.icon_name = "audio-card-bluetooth"
	profiles:
		headset_head_unit: Headset Head Unit (HSP/HFP) (priority 30, available: unknown)
		a2dp_sink_sbc: High Fidelity Playback (A2DP Sink: SBC) (priority 40, available: yes)
		a2dp_sink_aac: High Fidelity Playback (A2DP Sink: AAC) (priority 40, available: no)
		a2dp_sink_aptx: High Fidelity Playback (A2DP Sink: aptX) (priority 40, available: no)
		a2dp_sink_aptx_hd: High Fidelity Playback (A2DP Sink: aptX HD) (priority 40, available: no)
		a2dp_sink_ldac: High Fidelity Playback (A2DP Sink: LDAC) (priority 40, available: no)
		off: Off (priority 0, available: yes)
	active profile: <a2dp_sink_sbc>
	sinks:
		bluez_sink.38_18_4C_BD_D9_CB.a2dp_sink/#2: WH-1000XM3
	sources:
		bluez_sink.38_18_4C_BD_D9_CB.a2dp_sink.monitor/#3: Monitor of WH-1000XM3
	ports:
		unknown-output: Bluetooth Output (priority 0, latency offset 0 usec, available: yes)
			properties:
				
		unknown-input: Bluetooth Input (priority 0, latency offset 0 usec, available: unknown)
			properties:

Last edited by jacklu333333 (2020-09-25 08:40:03)

Werkov

Member

Registered: 2021-02-28

Posts: 1

Re: Pulseaudio cannot load LDAC and HSP/HFP modules

Hi. I found myself in the exactly same situation:

    bluez 5.55-3
    pulseaudio 14.2-2
    pulseaudio-modules-bt 1.4_14.2-8
    same headphones

The solution for me was to use the Android app for the headphones and switch Sound Quality Mode from 'Priority on Stable Connection' to 'Priority on Sound Quality'. With that all the profiles (not just SBC) are available and working.

Last edited by Werkov (2021-02-28 21:58:44)