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shmu
Asked: 2022-01-20 02:30:50 +0800 CST

Switch bluetooth audio profile on Kubuntu 21.10

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When I use my bluetooth headphones with Zoom audio conferencing I want the HFP profile (Handsfree Head Unit) to be enabled so the mic will work.

On Kubuntu 20.04 I could manually switch the profile with

pactl set-card-profile bluez_card.60_AB_D2_45_5D_47 headset_head_unit

On 21.10 that doesn't work any more. Ideally, I would like it to switch automatically. Second choice would be to set it for HFP by default. Third choice would be a command to switch it to HFP.

This is what I get when I connect the headphones:

    pactl list | grep -A2 "bluetooth.codec"
                bluetooth.codec = "sbc"
                device.description = "Bose QC35 II"
                device.string = "60:AB:D2:45:5D:47"

                bluetooth.codec = "sbc"
        Profiles:
                headset_head_unit: Headset Head Unit (HSP) (sinks: 1, sources: 1, priority: 30, available: no)

This is what I get after manually enabling HSP via the volume settings

    pactl list | grep -A2 "bluetooth.codec"
                bluetooth.codec = "mSBC"
                device.intended_roles = "phone"
                device.description = "Bose QC35 II"

                bluetooth.codec = "mSBC"
                device.intended_roles = "phone"
                device.description = "Bose QC35 II"

                bluetooth.codec = "mSBC"
        Profiles:
                headset_head_unit: Headset Head Unit (HSP) (sinks: 1, sources: 1, priority: 30, available: no)
sound

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