One can also do Test Speakers in GNOME settings Sound, this also produces mono for headset but works for internal speakers
-- You received this bug notification because you are a member of Kernel Packages, which is subscribed to linux in Ubuntu. https://bugs.launchpad.net/bugs/1702223 Title: Surround (garbled) sound played to headset port Status in linux package in Ubuntu: Confirmed Bug description: When using analog headset plugged into the audio port, sound is mono and processed so voice is silenced If played to speakers it works fine After killing pulseaudio at a bit of trouble, once can test using: speaker-test --channels 2 --nloops 1 --device plughw:PCH,0 which works fine for internal speakers, but is mono for headset If you watch youtube video, dialog is suppressed while other sounds may work This can be somewhat patched by going into alsamixer and set the left and right Headset channels to different levels using q/z and e/c keys This appears to be a bug in snd_hda_intel MacBook Air 2011 MacBookAir4,1 MacBook Air (11-inch, Mid 2011) chip: Cirrus 4206BCNZ 0:1b.0 Audio device [0403]: Intel Corporation 6 Series/C200 Series Chipset Family High Definition Audio Controller [8086:1c20] (rev 05) Subsystem: Intel Corporation Apple MacBookPro8,2 [Core i7, 15", 2011] [8086:7270] Kernel driver in use: snd_hda_intel Kernel modules: snd_hda_intel ProblemType: Bug DistroRelease: Ubuntu 17.04 Package: linux-image-4.10.0-22-generic 4.10.0-22.24 ProcVersionSignature: Ubuntu 4.10.0-22.24-generic 4.10.15 Uname: Linux 4.10.0-22-generic x86_64 ApportVersion: 2.20.4-0ubuntu4.1 Architecture: amd64 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/pcmC0D0c: foxyboy 21762 F...m pulseaudio /dev/snd/controlC0: foxyboy 21762 F.... pulseaudio CurrentDesktop: GNOME Date: Mon Jul 3 23:18:14 2017 HibernationDevice: RESUME=/dev/mapper/vg0-swap InstallationDate: Installed on 2015-10-28 (614 days ago) InstallationMedia: Ubuntu-Server 15.10 "Wily Werewolf" - Release amd64 (20151021) MachineType: Apple Inc. MacBookAir4,1 ProcFB: 0 inteldrmfb ProcKernelCmdLine: BOOT_IMAGE=/vmlinuz-4.10.0-22-generic.efi.signed root=/dev/mapper/vg0-rfs ro RelatedPackageVersions: linux-restricted-modules-4.10.0-22-generic N/A linux-backports-modules-4.10.0-22-generic N/A linux-firmware 1.164.1 SourcePackage: linux UpgradeStatus: Upgraded to zesty on 2017-04-09 (86 days ago) dmi.bios.date: 06/08/2015 dmi.bios.vendor: Apple Inc. dmi.bios.version: MBA41.88Z.0077.B12.1506081728 dmi.board.asset.tag: Base Board Asset Tag# dmi.board.name: Mac-C08A6BB70A942AC2 dmi.board.vendor: Apple Inc. dmi.board.version: MacBookAir4,1 dmi.chassis.type: 10 dmi.chassis.vendor: Apple Inc. dmi.chassis.version: Mac-C08A6BB70A942AC2 dmi.modalias: dmi:bvnAppleInc.:bvrMBA41.88Z.0077.B12.1506081728:bd06/08/2015:svnAppleInc.:pnMacBookAir4,1:pvr1.0:rvnAppleInc.:rnMac-C08A6BB70A942AC2:rvrMacBookAir4,1:cvnAppleInc.:ct10:cvrMac-C08A6BB70A942AC2: dmi.product.name: MacBookAir4,1 dmi.product.version: 1.0 dmi.sys.vendor: Apple Inc. To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/linux/+bug/1702223/+subscriptions -- Mailing list: https://launchpad.net/~kernel-packages Post to : kernel-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~kernel-packages More help : https://help.launchpad.net/ListHelp
