When playing audio there are intermittent droppouts

Hi I did a fresh install (KDE) run system updates and installed codecs

plus I ran
Zypper dup --from Packman

when I play audio (songs) with Amarok or VLC or youtub channels I get intermittend dropouts (zero volume).

Is there a codec missing ?

any idea ? thanks

maybe this info helps`

pactl info ==>

studio-t@localhost:~> 
studio-t@localhost:~> pactl info
Server String: /run/user/1000/pulse/native
Library Protocol Version: 35
Server Protocol Version: 35
Is Local: yes
Client Index: 150
Tile Size: 65472
User Name: studio-t
Host Name: localhost.localdomain
Server Name: PulseAudio (on PipeWire 1.6.0)
Server Version: 15.0.0
Default Sample Specification: float32le 2ch 48000Hz
Default Channel Map: front-left,front-right
Default Sink: alsa_output.usb-BEHRINGER_X18_XR18_29CC2731-00.multichannel-output
Default Source: alsa_input.usb-BEHRINGER_X18_XR18_29CC2731-00.multichannel-input
Cookie: 36d3:fb30
studio-t@localhost:~> 

pactl list cards ==>

studio-t@localhost:~> pactl list cards
Card #49
        Name: alsa_card.pci-0000_10_00.1
        Driver: alsa
        Owner Module: n/a
        Properties:
                device.enum.api = "udev"
                device.api = "alsa"
                media.class = "Audio/Device"
                api.alsa.path = "hw:0"
                api.alsa.card = "0"
                api.alsa.card.name = "HDA NVidia"
                api.alsa.card.longname = "HDA NVidia at 0xfc080000 irq 111"
                device.plugged.usec = "5487145"
                device.bus_path = "pci-0000:10:00.1"
                sysfs.path = "/devices/pci0000:00/0000:00:01.1/0000:10:00.1/sound/card0"
                device.bus = "pci"
                device.subsystem = "sound"
                device.vendor.id = "0x10de"
                device.vendor.name = "NVIDIA Corporation"
                device.product.id = "0x0e0f"
                device.product.name = "GK208 HDMI/DP Audio Controller"
                device.name = "alsa_card.pci-0000_10_00.1"
                device.description = "GK208 HDMI/DP Audio Controller"
                device.nick = "HDA NVidia"
                device.icon_name = "audio-card-analog-pci"
                api.alsa.use-acp = "true"
                api.acp.auto-profile = "false"
                api.acp.auto-port = "false"
                api.dbus.ReserveDevice1.Priority = "-20"
                api.alsa.split-enable = "true"
                api.dbus.ReserveDevice1 = "Audio0"
                spa.object.id = "2"
                factory.id = "15"
                client.id = "47"
                object.id = "49"
                object.serial = "49"
                object.path = "alsa:acp:NVidia"
                alsa.card = "0"
                alsa.card_name = "HDA NVidia"
                alsa.long_card_name = "HDA NVidia at 0xfc080000 irq 111"
                alsa.driver_name = "snd_hda_intel"
                alsa.mixer_name = "Nvidia GPU 51 HDMI/DP"
                alsa.components = "HDA:10de0051,104385e7,00100100"
                alsa.id = "NVidia"
                device.string = "0"
        Profiles:
                off: Off (sinks: 0, sources: 0, priority: 0, available: yes)
                output:hdmi-stereo: Digital Stereo (HDMI) Output (sinks: 1, sources: 0, priority: 5900, available: yes)
                output:hdmi-stereo-extra1: Digital Stereo (HDMI 2) Output (sinks: 1, sources: 0, priority: 5700, available: yes)
                output:hdmi-stereo-extra2: Digital Stereo (HDMI 3) Output (sinks: 1, sources: 0, priority: 5700, available: no)
                output:hdmi-stereo-extra3: Digital Stereo (HDMI 4) Output (sinks: 1, sources: 0, priority: 5700, available: no)
                output:hdmi-surround-extra2: Digital Surround 5.1 (HDMI 3) Output (sinks: 1, sources: 0, priority: 600, available: no)
                output:hdmi-surround71-extra2: Digital Surround 7.1 (HDMI 3) Output (sinks: 1, sources: 0, priority: 600, available: no)
                output:hdmi-surround-extra3: Digital Surround 5.1 (HDMI 4) Output (sinks: 1, sources: 0, priority: 600, available: no)
                output:hdmi-surround71-extra3: Digital Surround 7.1 (HDMI 4) Output (sinks: 1, sources: 0, priority: 600, available: no)
                pro-audio: Pro Audio (sinks: 4, sources: 0, priority: 1, available: yes)
        Active Profile: output:hdmi-stereo
        Ports:
                hdmi-output-0: HDMI / DisplayPort (type: HDMI, priority: 5900, latency offset: 0 usec, availability group: Legacy 1, available)
                        Properties:
                                port.type = "hdmi"
                                port.availability-group = "Legacy 1"
                                device.icon_name = "video-display"
                                card.profile.port = "0"
                                device.product.name = "CHHWJT"
                                iec958.codecs.detected = "[\"PCM\",\"AC3\"]"
                                audio.channels.detected = "2"
                                audio.position.detected = "[FL,FR]"
                        Part of profile(s): output:hdmi-stereo
                hdmi-output-1: HDMI / DisplayPort 2 (type: HDMI, priority: 5800, latency offset: 0 usec, availability group: Legacy 2, available)
                        Properties:
                                port.type = "hdmi"
                                port.availability-group = "Legacy 2"
                                device.icon_name = "video-display"
                                card.profile.port = "1"
                                device.product.name = "DIGITAL TV"
                                iec958.codecs.detected = "[\"PCM\"]"
                                audio.channels.detected = "2"
                                audio.position.detected = "[FL,FR]"
                        Part of profile(s): output:hdmi-stereo-extra1
                hdmi-output-2: HDMI / DisplayPort 3 (type: HDMI, priority: 5700, latency offset: 0 usec, availability group: Legacy 3, not available)
                        Properties:
                                port.type = "hdmi"
                                port.availability-group = "Legacy 3"
                                device.icon_name = "video-display"
                                card.profile.port = "2"
                        Part of profile(s): output:hdmi-stereo-extra2, output:hdmi-surround-extra2, output:hdmi-surround71-extra2
                hdmi-output-3: HDMI / DisplayPort 4 (type: HDMI, priority: 5600, latency offset: 0 usec, availability group: Legacy 4, not available)
                        Properties:
                                port.type = "hdmi"
                                port.availability-group = "Legacy 4"
                                device.icon_name = "video-display"
                                card.profile.port = "3"
                        Part of profile(s): output:hdmi-stereo-extra3, output:hdmi-surround-extra3, output:hdmi-surround71-extra3

Card #50
        Name: alsa_card.usb-BEHRINGER_X18_XR18_29CC2731-00
        Driver: alsa
        Owner Module: n/a
        Properties:
                device.enum.api = "udev"
                device.api = "alsa"
                media.class = "Audio/Device"
                api.alsa.path = "hw:1"
                api.alsa.card = "1"
                api.alsa.card.name = "X18/XR18"
                api.alsa.card.longname = "BEHRINGER X18/XR18 at usb-0000:2a:00.1-5, high speed"
                device.plugged.usec = "5477147"
                device.bus_path = "pci-0000:2a:00.1-usb-0:5:1.0"
                sysfs.path = "/devices/pci0000:00/0000:00:01.2/0000:20:00.0/0000:21:08.0/0000:2a:00.1/usb1/1-5/1-5:1.0/sound/card1"
                device.bus-id = "usb-BEHRINGER_X18_XR18_29CC2731-00"
                device.bus = "usb"
                device.subsystem = "sound"
                device.vendor.id = "0x1397"
                device.vendor.name = "BEHRINGER International GmbH"
                device.product.id = "0x00d4"
                device.product.name = "X18/XR18"
                device.serial = "BEHRINGER_X18_XR18_29CC2731"
                device.name = "alsa_card.usb-BEHRINGER_X18_XR18_29CC2731-00"
                device.description = "X18/XR18"
                device.nick = "X18/XR18"
                device.icon_name = "audio-card-analog-usb"
                api.alsa.use-acp = "true"
                api.acp.auto-profile = "false"
                api.acp.auto-port = "false"
                api.dbus.ReserveDevice1.Priority = "-20"
                api.alsa.split-enable = "true"
                api.dbus.ReserveDevice1 = "Audio1"
                spa.object.id = "4"
                factory.id = "15"
                client.id = "47"
                object.id = "50"
                object.serial = "50"
                object.path = "alsa:acp:X18XR18"
                alsa.card = "1"
                alsa.card_name = "X18/XR18"
                alsa.long_card_name = "BEHRINGER X18/XR18 at usb-0000:2a:00.1-5, high speed"
                alsa.driver_name = "snd_usb_audio"
                alsa.mixer_name = "USB Mixer"
                alsa.components = "USB1397:00d4"
                alsa.id = "X18XR18"
                device.string = "1"
        Profiles:
                off: Off (sinks: 0, sources: 0, priority: 0, available: yes)
                output:multichannel-output+input:multichannel-input: Multichannel Duplex (sinks: 1, sources: 1, priority: 101, available: yes)
                output:multichannel-output: Multichannel Output (sinks: 1, sources: 0, priority: 100, available: yes)
                pro-audio: Pro Audio (sinks: 1, sources: 1, priority: 1, available: yes)
                input:multichannel-input: Multichannel Input (sinks: 0, sources: 1, priority: 1, available: yes)
        Active Profile: output:multichannel-output+input:multichannel-input

Card #51
        Name: alsa_card.pci-0000_30_00.1
        Driver: alsa
        Owner Module: n/a
        Properties:
                device.enum.api = "udev"
                device.api = "alsa"
                media.class = "Audio/Device"
                api.alsa.path = "hw:2"
                api.alsa.card = "2"
                api.alsa.card.name = "HD-Audio Generic"
                api.alsa.card.longname = "HD-Audio Generic at 0xfcc88000 irq 113"
                device.plugged.usec = "5476243"
                device.bus_path = "pci-0000:30:00.1"
                sysfs.path = "/devices/pci0000:00/0000:00:08.1/0000:30:00.1/sound/card2"
                device.bus = "pci"
                device.subsystem = "sound"
                device.vendor.id = "0x1002"
                device.vendor.name = "Advanced Micro Devices, Inc. [AMD/ATI]"
                device.product.id = "0x1637"
                device.product.name = "Renoir/Cezanne HDMI/DP Audio Controller"
                device.name = "alsa_card.pci-0000_30_00.1"
                device.description = "Renoir/Cezanne HDMI/DP Audio Controller"
                device.nick = "HD-Audio Generic"
                device.icon_name = "audio-card-analog-pci"
                api.alsa.use-acp = "true"
                api.acp.auto-profile = "false"
                api.acp.auto-port = "false"
                api.dbus.ReserveDevice1.Priority = "-20"
                api.alsa.split-enable = "true"
                api.dbus.ReserveDevice1 = "Audio2"
                spa.object.id = "6"
                factory.id = "15"
                client.id = "47"
                object.id = "51"
                object.serial = "51"
                object.path = "alsa:acp:Generic"
                alsa.card = "2"
                alsa.card_name = "HD-Audio Generic"
                alsa.long_card_name = "HD-Audio Generic at 0xfcc88000 irq 113"
                alsa.driver_name = "snd_hda_intel"
                alsa.mixer_name = "ATI R6xx HDMI"
                alsa.components = "HDA:1002aa01,00aa0100,00100700"
                alsa.id = "Generic"
                device.string = "2"
        Profiles:
                off: Off (sinks: 0, sources: 0, priority: 0, available: yes)
                output:hdmi-stereo: Digital Stereo (HDMI) Output (sinks: 1, sources: 0, priority: 5900, available: no)
                output:hdmi-stereo-extra1: Digital Stereo (HDMI 2) Output (sinks: 1, sources: 0, priority: 5700, available: no)
                output:hdmi-surround: Digital Surround 5.1 (HDMI) Output (sinks: 1, sources: 0, priority: 800, available: no)
                output:hdmi-surround71: Digital Surround 7.1 (HDMI) Output (sinks: 1, sources: 0, priority: 800, available: no)
                output:hdmi-surround-extra1: Digital Surround 5.1 (HDMI 2) Output (sinks: 1, sources: 0, priority: 600, available: no)
                output:hdmi-surround71-extra1: Digital Surround 7.1 (HDMI 2) Output (sinks: 1, sources: 0, priority: 600, available: no)
                pro-audio: Pro Audio (sinks: 2, sources: 0, priority: 1, available: yes)
        Active Profile: off
        Ports:
                hdmi-output-0: HDMI / DisplayPort (type: HDMI, priority: 5900, latency offset: 0 usec, availability group: Legacy 1, not available)
                        Properties:
                                port.type = "hdmi"
                                port.availability-group = "Legacy 1"
                                device.icon_name = "video-display"
                                card.profile.port = "0"
                        Part of profile(s): output:hdmi-stereo, output:hdmi-surround, output:hdmi-surround71
                hdmi-output-1: HDMI / DisplayPort 2 (type: HDMI, priority: 5800, latency offset: 0 usec, availability group: Legacy 2, not available)
                        Properties:
                                port.type = "hdmi"
                                port.availability-group = "Legacy 2"
                                device.icon_name = "video-display"
                                card.profile.port = "1"
                        Part of profile(s): output:hdmi-stereo-extra1, output:hdmi-surround-extra1, output:hdmi-surround71-extra1

Card #52
        Name: alsa_card.pci-0000_30_00.6
        Driver: alsa
        Owner Module: n/a
        Properties:
                device.enum.api = "udev"
                device.api = "alsa"
                media.class = "Audio/Device"
                api.alsa.path = "hw:3"
                api.alsa.card = "3"
                api.alsa.card.name = "HD-Audio Generic"
                api.alsa.card.longname = "HD-Audio Generic at 0xfcc80000 irq 114"
                device.plugged.usec = "5546734"
                device.bus_path = "pci-0000:30:00.6"
                sysfs.path = "/devices/pci0000:00/0000:00:08.1/0000:30:00.6/sound/card3"
                device.bus = "pci"
                device.subsystem = "sound"
                device.vendor.id = "0x1022"
                device.vendor.name = "Advanced Micro Devices, Inc. [AMD]"
                device.product.id = "0x15e3"
                device.product.name = "Ryzen HD Audio Controller"
                device.name = "alsa_card.pci-0000_30_00.6"
                device.description = "Ryzen HD Audio Controller"
                device.nick = "HD-Audio Generic"
                device.icon_name = "audio-card-analog-pci"
                api.alsa.use-acp = "true"
                api.acp.auto-profile = "false"
                api.acp.auto-port = "false"
                api.dbus.ReserveDevice1.Priority = "-20"
                api.alsa.split-enable = "true"
                api.dbus.ReserveDevice1 = "Audio3"
                spa.object.id = "8"
                factory.id = "15"
                client.id = "47"
                object.id = "52"
                object.serial = "52"
                object.path = "alsa:acp:Generic_1"
                alsa.card = "3"
                alsa.card_name = "HD-Audio Generic"
                alsa.long_card_name = "HD-Audio Generic at 0xfcc80000 irq 114"
                alsa.driver_name = "snd_hda_intel"
                alsa.mixer_name = "Realtek ALC1220"
                alsa.components = "HDA:10ec1168,1462ec37,00100101"
                alsa.id = "Generic_1"
                device.string = "3"
        Profiles:
                off: Off (sinks: 0, sources: 0, priority: 0, available: yes)
                output:analog-stereo+input:analog-stereo: Analog Stereo Duplex (sinks: 1, sources: 1, priority: 6565, available: no)
                output:analog-stereo: Analog Stereo Output (sinks: 1, sources: 0, priority: 6500, available: no)
                output:iec958-stereo+input:analog-stereo: Digital Stereo (IEC958) Output + Analog Stereo Input (sinks: 1, sources: 1, priority: 5565, available: yes)
                output:iec958-stereo: Digital Stereo (IEC958) Output (sinks: 1, sources: 0, priority: 5500, available: yes)
                output:analog-surround-21+input:analog-stereo: Analog Surround 2.1 Output + Analog Stereo Input (sinks: 1, sources: 1, priority: 1365, available: no)
                output:analog-surround-41+input:analog-stereo: Analog Surround 4.1 Output + Analog Stereo Input (sinks: 1, sources: 1, priority: 1365, available: no)
                output:analog-surround-51+input:analog-stereo: Analog Surround 5.1 Output + Analog Stereo Input (sinks: 1, sources: 1, priority: 1365, available: no)
                output:analog-surround-21: Analog Surround 2.1 Output (sinks: 1, sources: 0, priority: 1300, available: no)
                output:analog-surround-41: Analog Surround 4.1 Output (sinks: 1, sources: 0, priority: 1300, available: no)
                output:analog-surround-51: Analog Surround 5.1 Output (sinks: 1, sources: 0, priority: 1300, available: no)
                output:analog-surround-40+input:analog-stereo: Analog Surround 4.0 Output + Analog Stereo Input (sinks: 1, sources: 1, priority: 1265, available: no)
                output:analog-surround-50+input:analog-stereo: Analog Surround 5.0 Output + Analog Stereo Input (sinks: 1, sources: 1, priority: 1265, available: no)
                output:analog-surround-40: Analog Surround 4.0 Output (sinks: 1, sources: 0, priority: 1200, available: no)
                output:analog-surround-50: Analog Surround 5.0 Output (sinks: 1, sources: 0, priority: 1200, available: no)
                input:analog-stereo: Analog Stereo Input (sinks: 0, sources: 1, priority: 65, available: no)
                pro-audio: Pro Audio (sinks: 2, sources: 2, priority: 1, available: yes)
        Active Profile: output:iec958-stereo+input:analog-stereo
        Ports:
                analog-input-front-mic: Front Microphone (type: Mic, priority: 8500, latency offset: 0 usec, availability group: Legacy 1, not available)
                        Properties:
                                port.type = "mic"
                                port.availability-group = "Legacy 1"
                                device.icon_name = "audio-input-microphone"
                                card.profile.port = "0"
                        Part of profile(s): input:analog-stereo, output:analog-stereo+input:analog-stereo, output:analog-surround-21+input:analog-stereo, output:analog-surround-40+input:analog-stereo, output:analog-surround-41+input:analog-stereo, output:analog-surround-50+input:analog-stereo, output:analog-surround-51+input:analog-stereo, output:iec958-stereo+input:analog-stereo
                analog-input-rear-mic: Rear Microphone (type: Mic, priority: 8200, latency offset: 0 usec, availability group: Legacy 2, not available)
                        Properties:
                                port.type = "mic"
                                port.availability-group = "Legacy 2"
                                device.icon_name = "audio-input-microphone"
                                card.profile.port = "1"
                        Part of profile(s): input:analog-stereo, output:analog-stereo+input:analog-stereo, output:analog-surround-21+input:analog-stereo, output:analog-surround-40+input:analog-stereo, output:analog-surround-41+input:analog-stereo, output:analog-surround-50+input:analog-stereo, output:analog-surround-51+input:analog-stereo, output:iec958-stereo+input:analog-stereo
                analog-input-linein: Line In (type: Line, priority: 8100, latency offset: 0 usec, availability group: Legacy 3, not available)
                        Properties:
                                port.type = "line"
                                port.availability-group = "Legacy 3"
                                card.profile.port = "2"
                        Part of profile(s): input:analog-stereo, output:analog-stereo+input:analog-stereo, output:analog-surround-21+input:analog-stereo, output:analog-surround-40+input:analog-stereo, output:analog-surround-41+input:analog-stereo, output:analog-surround-50+input:analog-stereo, output:analog-surround-51+input:analog-stereo, output:iec958-stereo+input:analog-stereo
                analog-output-lineout: Line Out (type: Line, priority: 9000, latency offset: 0 usec, availability group: Legacy 4, not available)
                        Properties:
                                port.type = "line"
                                port.availability-group = "Legacy 4"
                                card.profile.port = "3"
                        Part of profile(s): output:analog-stereo, output:analog-stereo+input:analog-stereo, output:analog-surround-21, output:analog-surround-21+input:analog-stereo, output:analog-surround-40, output:analog-surround-40+input:analog-stereo, output:analog-surround-41, output:analog-surround-41+input:analog-stereo, output:analog-surround-50, output:analog-surround-50+input:analog-stereo, output:analog-surround-51, output:analog-surround-51+input:analog-stereo
                analog-output-headphones: Headphones (type: Headphones, priority: 9900, latency offset: 0 usec, availability group: Legacy 5, not available)
                        Properties:
                                port.type = "headphones"
                                port.availability-group = "Legacy 5"
                                device.icon_name = "audio-headphones"
                                card.profile.port = "4"
                        Part of profile(s): output:analog-stereo, output:analog-stereo+input:analog-stereo
                iec958-stereo-output: Digital Output (S/PDIF) (type: SPDIF, priority: 0, latency offset: 0 usec, availability unknown)
                        Properties:
                                port.type = "spdif"
                                card.profile.port = "5"
                        Part of profile(s): output:iec958-stereo, output:iec958-stereo+input:analog-stereo
studio-t@lo

Since your default sink is a USB mixer (BEHRINGER_X18_XR18), the dropouts may be related to PipeWire buffer settings rather than codecs.

The way to check this is using pw-topwhile playing audio, and observe whether the XRUN counter increases, especially during the dropouts.

If it does, try increasing the PipeWire buffer size. Create “~/.config/pipewire/pipewire.conf.d/quantum.conf” with

context.properties = {
    default.clock.quantum = 1024
}

then restart the services

systemctl --user restart pipewire pipewire-pulse wireplumber

and test again.

@deano_ferrari
Hi
Prior to your response I did some pipewire related installs:


So far I experienced only one drop-out.

I was hoping to monitor drop-outs using pw-top, no luck

The problem ( one drop-out) is still there !

In /.config no folder “pipewire” … but you said , correct me if I am wrong, to create
…/pipewire/pipewire.conf.d/quantum.conf with and here I am lost

I assume "quantum.conf"is a file …

Yeah, how do I do this ?

cheers

With an editor. For example
nano ~/.config/pipewire/pipewire.conf.d/quantum.conf
Add the required and save when done.

@deano_ferrari

Done !

studio-t@localhost:~> pw-metadata -n settings
Found "settings" metadata 33
update: id:0 key:'log.level' value:'2' type:''
update: id:0 key:'clock.rate' value:'48000' type:''
update: id:0 key:'clock.allowed-rates' value:'[ 44100, 48000, 88200, 96000 ]' type:''
update: id:0 key:'clock.quantum' value:'1024' type:''
update: id:0 key:'clock.min-quantum' value:'32' type:''
update: id:0 key:'clock.max-quantum' value:'2048' type:''
update: id:0 key:'clock.force-quantum' value:'0' type:''
update: id:0 key:'clock.force-rate' value:'0' type:''
studio-t@localhost:~> 

Does that look ok ?

thanks

Use pw-top. Look for your USB sink node.

You may also use pw-dump like this…

pw-dump | grep -A3 '"node.name": "alsa_output.usb-BEHRINGER_X18_XR18'

I think so - more importantly does it improve the audible streaming experience? :wink:

@deano_ferrari

Yes ! I immediately thought " it sounds better"
That was with buffer = 1024

studio-t@localhost:~> pw-metadata -n settings 
Found "settings" metadata 33 
update: id:0 key:'log.level' value:'2' type:'' 
update: id:0 key:'clock.rate' value:'48000' type:'' 
update: id:0 key:'clock.allowed-rates' value:'[ 44100, 48000, 88200, 96000 ]' type:'' 
update: id:0 key:'clock.quantum' value:'1024' type:'' 
update: id:0 key:'clock.min-quantum' value:'32' type:'' 
update: id:0 key:'clock.max-quantum' value:'2048' type:'' 
update: id:0 key:'clock.force-quantum' value:'0' type:'' 
update: id:0 key:'clock.force-rate' value:'0' type:'' 
studio-t@localhost:~>  
studio-t@localhost:~>  

But, as I said , there was one drop-out. => I changed Buffer to => 2048

Found "settings" metadata 33
update: id:0 key:'log.level' value:'2' type:''
update: id:0 key:'clock.rate' value:'48000' type:''
update: id:0 key:'clock.allowed-rates' value:'[ 44100, 48000, 88200, 96000 ]' type:''
update: id:0 key:'clock.quantum' value:'2048' type:''
update: id:0 key:'clock.min-quantum' value:'32' type:''
update: id:0 key:'clock.max-quantum' value:'2048' type:''
update: id:0 key:'clock.force-quantum' value:'0' type:''
update: id:0 key:'clock.force-rate' value:'0' type:''
studio-t@localhost:~> 
studio-t@localhost:~> 

… lets see how it works.

Since the change was done locally (for one specific user), where could I change it globally ?

…and , what other parameter could have an effect ?

To apply it system-wide for all users, place the same file in the /etc/pipewire/directory (which you can create first if necessary).

USB power management may also be at play. Some USB devices behave better if autosuspend is disabled.

https://wiki.archlinux.org/title/Power_management#USB_autosuspend

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@deano_ferrari

I found “pipewire” details in /usr/share/pipewire => minimal.conf spells out buffer size etc.

That was the good news. … still get drop-outs …according to pw-top 3 errors caused by the behringer usb device, one caused by Amarok. (40 minutes play time)

I was using the behringer equipment for the last 5 years without any problems using
Leap 15.x.
Also running on a 2nd machine 15.6 when connected to behringer , no problems .

respectively … on a former install of Tumbleweed installation the problem did not occur (was killed for other reasons, or better actual problem is still unknown)

The reason why I ended up with Tumbleweed was problems with installing 16.0 !!!
This to a degree that contemplated to jump ship. Ubuntu or Fedora.

Anyway, what to do ? Another fresh install ?!?

What do you recon ?

I can only speculate here. TW is using a newer PipeWire version, so it could be a factor. You could try increasing default.clock.max-quantum to 4096 perhaps, and disabling USB autosuspend.

The files in /usr/share/pipewire come from the package and are defaults. Don’t make any changes there, as they will be overwritten on an update. For admin-specific changes, put your configuration in /etc/pipewire/.

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2 posts were split to a new topic: Leap 16 and YaST