[Bug 466187] New: Master volume (front channel) cannot be decreased under 50%
https://bugzilla.novell.com/show_bug.cgi?id=466187 Summary: Master volume (front channel) cannot be decreased under 50% Classification: openSUSE Product: openSUSE 11.1 Version: RC 2 Platform: PC OS/Version: openSUSE 11.1 Status: NEW Severity: Normal Priority: P5 - None Component: Sound AssignedTo: tiwai@novell.com ReportedBy: nice@titanic.nyme.hu QAContact: qa@suse.de Found By: --- User-Agent: Mozilla/5.0 (X11; U; Linux x86_64; hu-HU; rv:1.9.0.5) Gecko/2008121300 SUSE/3.0.5-1.1 Firefox/3.0.5 When configure KMix to use the front channel as the master channel, and gradually increase/decrease the volume, then I have to notice, that when the volume level is under 50%, then there is no hearable difference between volume levels. This means that 0% is equally loud to 25% which is as loud as 50%. Increasing the volume over 50% it will become gradually louder and louder. I experienced this with every openSUSE version on my current machine, which is a HP Compaq nc6320 notebook. So, this may be hardware dependent. My hwinfo is: milleniumfalcon:~ # hwinfo --sound 12: PCI 1b.0: 0403 Audio device [Created at pci.318] UDI: /org/freedesktop/Hal/devices/pci_8086_27d8 Unique ID: u1Nb.FXfaO+N_pn7 SysFS ID: /devices/pci0000:00/0000:00:1b.0 SysFS BusID: 0000:00:1b.0 Hardware Class: sound Model: "Intel 82801G (ICH7 Family) High Definition Audio Controller" Vendor: pci 0x8086 "Intel Corporation" Device: pci 0x27d8 "82801G (ICH7 Family) High Definition Audio Controller" SubVendor: pci 0x103c "Hewlett-Packard Company" SubDevice: pci 0x30aa Revision: 0x01 Driver: "HDA Intel" Driver Modules: "snd_hda_intel" Memory Range: 0xe8580000-0xe8583fff (rw,non-prefetchable) IRQ: 21 (757302 events) Module Alias: "pci:v00008086d000027D8sv0000103Csd000030AAbc04sc03i00" Driver Info #0: Driver Status: snd_hda_intel is active Driver Activation Cmd: "modprobe snd_hda_intel" Config Status: cfg=no, avail=yes, need=no, active=unknown Reproducible: Always Steps to Reproduce: 1. Use a machine similar to the above described one. 2. Select the front channel as master channel. 3. Try to distinguish between volume levels less or equal than 50% Actual Results: They should be different Expected Results: They are equal -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
https://bugzilla.novell.com/show_bug.cgi?id=466187 User tiwai@novell.com added comment https://bugzilla.novell.com/show_bug.cgi?id=466187#c1 Takashi Iwai <tiwai@novell.com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|NEW |RESOLVED Resolution| |UPSTREAM --- Comment #1 from Takashi Iwai <tiwai@novell.com> 2009-01-15 00:10:45 MST --- See dB value in alsamixer. I guess it's up to a high value like -90dB. If so, this is no bug. Indeed, percentage representation is simply stupid. There is no percentage in reality because the loudness is represented logarithmically in dB. However, yes, it's an annoying issue; many mixers don't care about dB scale. Maybe we need to cut off the too small values (i.e. restrict the hardware capability due to usability). -- Configure bugmail: https://bugzilla.novell.com/userprefs.cgi?tab=email ------- You are receiving this mail because: ------- You are on the CC list for the bug.
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