[SOLVED] Re: speaker-test: no correct sound output on LFE and others speakers

On 12/05/24 at 17:17, James Dutton wrote:
> On Wed, 8 May 2024 at 19:53, Franco Martelli <[email protected]> wrote:
>>
>> Hello everyone,
>>
>> Basically I've the same issue described here:
>> https://askubuntu.com/questions/1180389/speaker-test-returns-all-6-channels-to-front-speakers
>>
> 
> What does this do for you:
> speaker-test -c6 -twav
> 
> It should play some voice from each speaker in turn.

I solved by buying a Toslink (S/PDIF) optical cable, and using thus the 
"Surround 5.1 Digital output" and unplugging the three jacks analog 
cable. Now speaker-test works nicely:

~$ speaker-test -c6 -l1 -twav

speaker-test 1.2.8

Playback device is default
Stream parameters are 48000Hz, S16_LE, 6 channels
WAV file(s)
Rate set to 48000Hz (requested 48000Hz)
Buffer size range from 32 to 349525
Period size range from 10 to 116509
Using max buffer size 349524
Periods = 4
was set period_size = 87381
was set buffer_size = 349524
  0 - Front Left
  4 - Center
  1 - Front Right
  3 - Rear Right
  2 - Rear Left
  5 - LFE
Time per period = 8,720806

maybe it was a hardware issue with the DAC of my Logitech Z906, it seems 
that with the three jacks analog cable it downmix to stereo, thanks anyway.

Cheers,
-- 
Franco Martelli