On Wed, 8 Nov 2017 14:15:32 -0700 stan <stanl-fedorauser@xxxxxxxxxxx> wrote: > On Wed, 8 Nov 2017 19:15:05 +1100 > Stephen Morris <samorris@xxxxxxxxxxxxxxx> wrote: > > > Hi stan, Ed replied in another thread that he found some info that > > says that Logitech software is required to get the functionality > > which is not available for Linux, so it looks like surround won't > > work. > > > > I issued the command aplay -Lv and I've put the output below. The > > output snippet I've supplied seems to be indicating that it thinks > > the headset is capable of surround sound, but I'm not sure if I'm > > interpreting the information correctly. > > > > > > sysdefault:CARD=Headset > > G533 Gaming Headset, USB Audio > > Default Audio Device > > front:CARD=Headset,DEV=0 > > G533 Gaming Headset, USB Audio > > Front speakers > > surround21:CARD=Headset,DEV=0 > > G533 Gaming Headset, USB Audio > > 2.1 Surround output to Front and Subwoofer speakers > > surround40:CARD=Headset,DEV=0 > > G533 Gaming Headset, USB Audio > > 4.0 Surround output to Front and Rear speakers > > surround41:CARD=Headset,DEV=0 > > G533 Gaming Headset, USB Audio > > 4.1 Surround output to Front, Rear and Subwoofer speakers > > surround50:CARD=Headset,DEV=0 > > G533 Gaming Headset, USB Audio > > 5.0 Surround output to Front, Center and Rear speakers > > surround51:CARD=Headset,DEV=0 > > G533 Gaming Headset, USB Audio > > 5.1 Surround output to Front, Center, Rear and Subwoofer > > speakers surround71:CARD=Headset,DEV=0 > > G533 Gaming Headset, USB Audio > > 7.1 Surround output to Front, Center, Side, Rear and Woofer > > speakers iec958:CARD=Headset,DEV=0 > > G533 Gaming Headset, USB Audio > > IEC958 (S/PDIF) Digital Audio Output > > That's how I would interpret it. I also have a usb sound device, and > I get that 7.1 entry, so it might just be generic to usb. It's easy > to check. Run the command > aplay -lv > and it should give you the subdevice to access the 7.1 on the headset, > as counter intuitively a device [digit] output. > > e.g.card 2: Revolution51 [M Audio Revolution-5.1], device 1: ICE1724 > IEC958 [ICE1724 IEC958] > > If there isn't one for 7.1 for the headset, then it is just a generic > template for usb devices, and you are out of luck. That's what I get > for my usb device. > > If there is one, then put on the headset, and play a wav file with the > following command. It has to be wav because aplay doesn't have any > decoding logic. You could probably use sox to convert something if > you don't have a wav file. > > aplay -D plughw:0,[subdevice number goes here] [wav file name] > > e.g. aplay -D plughw:0,6 pretty_song.wav > > You could try different numbers from 0 through 7 as the second digit, > regardless of the aplay results, to see if there is any difference in > sound. One of them is likely to be IEC958 output, which is digital, so > will not be pleasant on your ears. > > All that said, I think you are correct that surround won't work. > > DTS:X will be a head related transfer function (HRTF). Those are > complex, so I doubt it is engineered into alsa, though an enterprising > coder might have taken it as a challenge. > > https://en.wikipedia.org/wiki/Head-related_transfer_function I did some searching on this because I have an interest in a functioning generic hrtf library in linux for something else, and I found this post. https://www.reddit.com/r/linux_gaming/comments/2ot5ov/enable_system_wide_hrtf_with_pulseaudio/ I haven't tried it yet, and it is a few years old, but if it works, it would allow your g533 headset to be used as a virtual 5.1 in linux. It might be that there are enhancements to 7.1 more recently in the pulse hrtf plugin. I haven't checked yet. _______________________________________________ users mailing list -- users@xxxxxxxxxxxxxxxxxxxxxxx To unsubscribe send an email to users-leave@xxxxxxxxxxxxxxxxxxxxxxx
