post the pulseaudio log
envy24 only has 24 bits it is strange that sample spec is s32le name: <alsa_output.pci-0000_01_06.0.analog-stereo> driver: <module-alsa-card.c> flags: HARDWARE DECIBEL_VOLUME LATENCY state: SUSPENDED suspend cause: IDLE priority: 9059 volume: 0: 100% 1: 100% 0: 0.00 dB 1: 0.00 dB balance 0.00 base volume: 100% 0.00 dB volume steps: 65537 muted: no current latency: 0.00 ms max request: 0 KiB max rewind: 0 KiB monitor source: 1 sample spec: s32le 2ch 44100Hz channel map: front-left,front-right Stereo used by: 0 linked by: 0 fixed latency: 80.00 ms card: 1 <alsa_card.pci-0000_01_06.0> module: 5 properties: alsa.resolution_bits = "32" device.api = "alsa" device.class = "sound" alsa.class = "generic" alsa.subclass = "generic-mix" alsa.name = "ICE1712 multi" alsa.id = "ICE1712 multi" alsa.subdevice = "0" alsa.subdevice_name = "subdevice #0" alsa.device = "0" alsa.card = "0" alsa.card_name = "M Audio Delta 66" alsa.long_card_name = "M Audio Delta 66 at 0xb800, irq 16" alsa.driver_name = "snd_ice1712" device.bus_path = "pci-0000:01:06.0" sysfs.path = "/devices/pci0000:00/0000:00:09.0/0000:01:06.0/sound/card0" device.bus = "pci" device.vendor.id = "1412" device.vendor.name = "VIA Technologies Inc." device.product.name = "ICE1712 [Envy24] PCI Multi-Channel I/O Controller" device.string = "front:0" device.buffering.buffer_size = "28224" device.buffering.fragment_size = "3528" device.access_mode = "mmap" device.profile.name = "analog-stereo" device.profile.description = "Analog Stereo" device.description = "ICE1712 [Envy24] PCI Multi-Channel I/O Controller Analog Stereo" alsa.mixer_name = "ICE1712 - multitrack" module-udev-detect.discovered = "1" device.icon_name = "audio-card-pci" ports: analog-output: Analog Output (priority 9900, available: unknown) properties: active port: <analog-output> -- You received this bug notification because you are a member of Desktop Packages, which is subscribed to alsa-driver in Ubuntu. https://bugs.launchpad.net/bugs/1147954 Title: [ICE1712 - M Audio Delta 66, playback] Sound is distorted Status in “alsa-driver” package in Ubuntu: New Bug description: All audio is effected - VLC, Firefox, Chrome, etc. It sounds like a channel is being over-driven. I checked the levels using Mudita24 and everything appears normal. ProblemType: Bug DistroRelease: Ubuntu 12.04 Package: alsa-base 1.0.25+dfsg-0ubuntu1 ProcVersionSignature: Ubuntu 3.2.0-38.61-generic-pae 3.2.37 Uname: Linux 3.2.0-38-generic-pae i686 NonfreeKernelModules: nvidia AlsaVersion: Advanced Linux Sound Architecture Driver Version 1.0.24. AplayDevices: **** List of PLAYBACK Hardware Devices **** card 0: M66 [M Audio Delta 66], device 0: ICE1712 multi [ICE1712 multi] Subdevices: 1/1 Subdevice #0: subdevice #0 ApportVersion: 2.0.1-0ubuntu17.1 Architecture: i386 AudioDevicesInUse: USER PID ACCESS COMMAND /dev/snd/controlC1: meow 1930 F.... pulseaudio /dev/snd/controlC0: meow 1930 F.... pulseaudio Card0.Amixer.info: Card hw:0 'M66'/'M Audio Delta 66 at 0xb800, irq 16' Mixer name : 'ICE1712 - multitrack' Components : '' Controls : 60 Simple ctrls : 38 Card1.Amixer.info: Card hw:1 'U0x46d0x81b'/'USB Device 0x46d:0x81b at usb-0000:00:02.1-3.2, high speed' Mixer name : 'USB Mixer' Components : 'USB046d:081b' Controls : 2 Simple ctrls : 1 Card1.Amixer.values: Simple mixer control 'Mic',0 Capabilities: cvolume cvolume-joined cswitch cswitch-joined penum Capture channels: Mono Limits: Capture 0 - 6144 Mono: Capture 4608 [75%] [24.00dB] [on] Date: Tue Mar 5 15:04:34 2013 InstallationMedia: Ubuntu 12.04 LTS "Precise Pangolin" - Release i386 (20120423) MarkForUpload: True PackageArchitecture: all ProcEnviron: TERM=xterm PATH=(custom, no user) LANG=en_US.UTF-8 SHELL=/bin/bash SourcePackage: alsa-driver Symptom: audio Symptom_AlsaPlaybackTest: ALSA playback test through plughw:M66 successful Symptom_Card: Webcam C310 - USB Device 0x46d:0x81b Symptom_PulsePlaybackTest: PulseAudio playback test successful Symptom_Type: Digital clip or distortion, or "overdriven" sound Title: [ICE1712 - M Audio Delta 66, playback] Sound is distorted UpgradeStatus: No upgrade log present (probably fresh install) dmi.bios.date: 09/11/2007 dmi.bios.vendor: Phoenix Technologies, LTD dmi.bios.version: ASUS M2N-E SLI ACPI BIOS Revision 1102 dmi.board.name: M2N-E SLI dmi.board.vendor: ASUSTeK Computer INC. dmi.board.version: 1.XX dmi.chassis.asset.tag: 123456789000 dmi.chassis.type: 3 dmi.chassis.vendor: Chassis Manufacture dmi.chassis.version: Chassis Version dmi.modalias: dmi:bvnPhoenixTechnologies,LTD:bvrASUSM2N-ESLIACPIBIOSRevision1102:bd09/11/2007:svnSystemmanufacturer:pnSystemProductName:pvrSystemVersion:rvnASUSTeKComputerINC.:rnM2N-ESLI:rvr1.XX:cvnChassisManufacture:ct3:cvrChassisVersion: dmi.product.name: System Product Name dmi.product.version: System Version dmi.sys.vendor: System manufacturer To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/alsa-driver/+bug/1147954/+subscriptions -- Mailing list: https://launchpad.net/~desktop-packages Post to : desktop-packages@lists.launchpad.net Unsubscribe : https://launchpad.net/~desktop-packages More help : https://help.launchpad.net/ListHelp