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Pulseaudio Crossover Rack - multi-way crossover design & implementation with linux
Pulseaudio Crossover Rack - multi-way crossover design & implementation with linux
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Old 18th January 2019, 07:31 PM   #81
hallodeletue is offline hallodeletue  Germany
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Pulseaudio Crossover Rack - multi-way crossover design & implementation with linux
Hi Tfive,


just checked the latest update (quite a lot going on here ), but unfortunately, during one of the latest versions, the dependency for pulseaudio changed from ≥ 10 to ≥ 11, which breaks it for Debian Strech, and Raspbian, which is based on Stretch. Is there any chance to revert back to 10, or do I have to manually upgrade to pulseaudio ≥ 11?


I got myself a cheap 5.1 USB soundcard, and, again only stereo output possible. After a little web research I found out that you have to change the default channel number from 2 to 6 in /etc/pulse/daemon.conf ( see PulseAudio › Wiki › ubuntuusers.de for reference). It is also recommended to uncomment and enable

enable-lfe-remixing = yes

So, who knows, maybe 8 channel audio with a Asus Xonar U7 might be possible after all.


Best regards,


hallodeletue
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Old 18th January 2019, 08:53 PM   #82
Tfive is offline Tfive  Germany
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I changed the dependency recently because a user from russia contacted me via email, he couldn't get it running... After a lengthy chat session we discovered that it didnt't work for him because he used debian stable and he had to upgrade to pulseaudio 11 to make it work.

I just packaged and released 1.19 with no other changes than the reverted dependency.

Please report back if it now works for you again...
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Old 18th January 2019, 09:15 PM   #83
hallodeletue is offline hallodeletue  Germany
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Pulseaudio Crossover Rack - multi-way crossover design & implementation with linux
Hi,

thanks a million for this quick fix, works perfectly! And with the right number of channels in /etc/pulse/daemon.conf Asus Xonar U7 shows 8 channels!

I hope I will find some time over the weekend to hook it up to make some measurements, I will report back.

Best regards,

hallodeletue
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Old 18th January 2019, 09:30 PM   #84
Tfive is offline Tfive  Germany
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What's the exact option you had to set in the daemon.conf? Actually it "just works" with linux mint >=18. Of course I had to set the soundcard to multichannel mode as shown in the online help, section prerequisites.

<rantmode="on">using distros with outdated packages is not recommended, at least not by me.</rantmode>

While we're at it, I recommend to enable the following options in /etc/pulse/daemon.conf:

Code:
# this prevents resampling to integer samples between the different ladspa sinks
default-sample-format = float32le
# especially when using the subsample delay use the highest sample rate
# you can get away with performance-wise
default-sample-rate = 192000
avoid-resampling = true
resample-method = speex-float-6
I will mention this in the online help soon...
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