On Tue, 26 Dec 2017 15:32:21 +0100, Freek de Kruijf wrote: > > I have the following sound devices: > > hwinfo --sound > Absolute path to 'hwinfo' is '/usr/sbin/hwinfo', so running it may require > superuser privileges (eg. root). > freek@eiktum:~> /usr/sbin/hwinfo --sound > 16: PCI 14.2: 0403 Audio device > [Created at pci.378] > Unique ID: 5Dex.BDUuYMOWyw7 > SysFS ID: /devices/pci0000:00/0000:00:14.2 > SysFS BusID: 0000:00:14.2 > Hardware Class: sound > Model: "ATI SBx00 Azalia (Intel HDA)" > Vendor: pci 0x1002 "ATI Technologies Inc" > Device: pci 0x4383 "SBx00 Azalia (Intel HDA)" > SubVendor: pci 0x1002 "ATI Technologies Inc" > SubDevice: pci 0x4383 > Revision: 0x40 > Memory Range: 0xfe6f8000-0xfe6fbfff (rw,non-prefetchable) > IRQ: 10 (no events) > Module Alias: "pci:v00001002d00004383sv00001002sd00004383bc04sc03i00" > Driver Info #0: > Driver Status: snd_hda_intel is active > Driver Activation Cmd: "modprobe snd_hda_intel" > Config Status: cfg=yes, avail=yes, need=no, active=unknown > > 26: PCI 500.1: 0403 Audio device > [Created at pci.378] > Unique ID: 5yAR.dhjYDcGDBr3 > Parent ID: _Znp.ZJmKoWxd6BF > SysFS ID: /devices/pci0000:00/0000:00:02.0/0000:05:00.1 > SysFS BusID: 0000:05:00.1 > Hardware Class: sound > Model: "ATI RV770 HDMI Audio [Radeon HD 4850/4870]" > Vendor: pci 0x1002 "ATI Technologies Inc" > Device: pci 0xaa30 "RV770 HDMI Audio [Radeon HD 4850/4870]" > SubVendor: pci 0x1787 "Hightech Information System Ltd." > SubDevice: pci 0xaa30 > Driver: "snd_hda_intel" > Driver Modules: "snd_hda_intel" > Memory Range: 0xfe9ec000-0xfe9effff (rw,non-prefetchable) > IRQ: 36 (1104 events) > Module Alias: "pci:v00001002d0000AA30sv00001787sd0000AA30bc04sc03i00" > Driver Info #0: > Driver Status: snd_hda_intel is active > Driver Activation Cmd: "modprobe snd_hda_intel" > Config Status: cfg=yes, avail=yes, need=no, active=unknown > Attached to: #18 (PCI bridge) > > I have my monitor connected via HDMI and that monitor has speakers. The > monitor is: > > hwinfo --monitor > 29: None 00.0: 10002 LCD Monitor > [Created at monitor.125] > Unique ID: rdCR.ukgc1_4VzS0 > Parent ID: Ddhb.zvQlrOmSRQ8 > Hardware Class: monitor > Model: "R231" > Vendor: ACR > Device: eisa 0x0504 "R231" > Serial ID: "T6GEE0012400" > Resolution: 720x400@70Hz > Resolution: 640x480@60Hz > Resolution: 640x480@67Hz > Resolution: 800x600@56Hz > Resolution: 800x600@60Hz > Resolution: 1024x768@60Hz > Resolution: 1024x768@70Hz > Resolution: 1152x864@75Hz > Resolution: 1280x1024@60Hz > Resolution: 1280x720@60Hz > Resolution: 1920x1080@60Hz > Size: 509x286 mm > Year of Manufacture: 2016 > Week of Manufacture: 4 > Detailed Timings #0: > Resolution: 1920x1080 > Horizontal: 1920 2008 2052 2200 (+88 +132 +280) +hsync > Vertical: 1080 1084 1089 1125 (+4 +9 +45) +vsync > Frequencies: 148.50 MHz, 67.50 kHz, 60.00 Hz > Driver Info #0: > Max. Resolution: 1920x1080 > Vert. Sync Range: 56-75 Hz > Hor. Sync Range: 31-75 kHz > Bandwidth: 148 MHz > Config Status: cfg=no, avail=yes, need=no, active=unknown > Attached to: #8 (VGA compatible controller) > > The sound is working OK, however the problem is that the sound is delayed by > about one second compared to the picture on the screen. > Most visible/hearable by using Musescore, where a music note is highlighted > when it is played. Using VGA and the other sound card there is no delay. I don't know of such a problem, and I can't think that such a long delay happens in the hardware side. Which sound backend are you using? Does the same delay happen even if you play directly via aplay with -Dplughw? Takashi _______________________________________________ Alsa-devel mailing list Alsa-devel@xxxxxxxxxxxxxxxx http://mailman.alsa-project.org/mailman/listinfo/alsa-devel
