Bug?

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Bug?

Postby Lixma » Sun Nov 22, 2015 6:05 pm

Hi,

When using Sigmund (1.1.2) and I leave to do something else for a couple of minutes when I come back Delay Line 1 is often muted. This doesn't happen if Sigmund is in continuous use.

The only way I can 'kickstart' Line 1 into life is to copy and paste settings from Line 2,3,4 or reload my project. Changing presets does not work....Line 1's on-screen settings will update but it remains muted.

edit: after some testing - I can 'resurrect' Line 1 if I toggle Tempo Sync button or change Time values.

I'm using Live Lite 9.2.3 (Win-7) and have attached a simple project file that captures the behaviour. When it loads just press play and look at the settings for Line 1.
Attachments
Bug Test - 3.rar
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Re: Bug?

Postby Sebastian@d16 » Mon Nov 23, 2015 11:55 am

Hi,

Will definitely check this out. Btw. is this problem reproducible on any project? Even if you create new empty one with just Sigmund inserted on an audio track?

Thank you,

Kind regards,
Sebastian
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Re: Bug?

Postby Lixma » Mon Nov 23, 2015 4:02 pm

Hi, yes it can happen on a fresh project.

I've uploaded a (very low quality :D ) video showing the problem....

https://www.youtube.com/watch?v=01V_QMUcSIo

It it not just Delay Line 1 but all of them are affected.

I've also uploaded the Live project file if that's any help.

Thanks.
Attachments
Bug Test - Audio - 1a Project.rar
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Re: Bug?

Postby Sebastian@d16 » Tue Nov 24, 2015 12:34 pm

Hi,

Thank you for uploading the video. So far I wasn't able to reproduce it on our machines, so I have few more questions:

- Do you use Live in 64bit or 32bit mode?
- Is the Windows 7 64bit or 32bit?
- Which variant of Sigmund have you installed (64bit or 32bit)?
- What happens in the latest Live version (9.5)? Does this issue occur?

Cheers,
Sebastian
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Re: Bug?

Postby Lixma » Tue Nov 24, 2015 3:46 pm

Hi, i'm running....

Live Lite 9.2.3 32bit.

Windows 7 64bit (fully updated).

Sigmund 32bit 1.1.2.

I don't have 9.5 yet but I have tried it in 9.5b1 and behaviour is the same. I tried both MME/Direct X and ASIO in Live's audio settings and it still occurs.

I will download 64bit Live and test with 64bit Sigmund.
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Re: Bug?

Postby Lixma » Tue Nov 24, 2015 5:42 pm

Now it gets weird!

The problem only occurs below 179bpm in Ableton......above 179bpm and it's ok. :shock:

Watch the video....changing Live's tempo setting actually kickstarts Sigmund back to life at 179bpm.....it's very strange.

(this test was done with 64bit Live Lite 9.5 and 64bit Sigmund)

https://www.youtube.com/watch?v=symSKODTLwA
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Re: Bug?

Postby Lixma » Tue Nov 24, 2015 6:59 pm

The problem seems to be related to tempo.

With tempo-sync on the problem occurs with time signatures of 3/16 and above (4/16, 5/16....etc); 1/16 and 2/16 work OK.

With non-tempo sync the problem occurs at 252ms and above. Here's a video showing it in action....

https://www.youtube.com/watch?v=8w6wcArn8dI

1 - I start with 120bpm and non-sync delay at 260ms. Delay is audible.

2 - I stop playback and wait 20 seconds.

3 - I restart playback and delay is gone.

4 - I slowly lower MS value.

5 - At 252ms delay comes back to life.
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Re: Bug?

Postby Sebastian@d16 » Thu Nov 26, 2015 2:02 pm

Hi,

Thank you for looking into this issue some more. However I'm still unable to reproduce this on our machines, so could you do me a screenshot of your Sigmund's settings window (Processing tab)? Just need to be sure there's maybe some connection between occurrence of this problem and quality settings or Sigmund's buffer size. Thank you

Cheers,
Sebastian
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Re: Bug?

Postby Lixma » Thu Nov 26, 2015 7:35 pm

I think it's all default settings - I don't remember opening the Options page.

edit: may I ask what the buffer length slider does? It doesn't seem to be in the manual.

edit2: I've just been trying it in Bitwig 8-Track 1.3.3 and problem is almost identical. In Live at 120bmp the delay line on/off crossover is 252ms, in Bitwig it's 278ms.

Image
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Re: Bug?

Postby Sebastian@d16 » Fri Nov 27, 2015 9:12 pm

Hi,

Looks pretty normal, I use Sigmund using exactly the very same settings.

Btw Max Buffer Length is controls how long is the internal storage for a feedback loop per delay (in seconds). So it's certainly not the reason of this problem :)

I meed to check out and try to reproduce this on few more machines, maybe there's conflict with third party software or hardware.

Cheers,
Sebastian
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Re: Bug?

Postby Sebastian@d16 » Fri Nov 27, 2015 9:18 pm

Another thing. Could you tell me what audio interface do you use? Do you use ASIO driver? also do you have some setting in the driver allowing to release the driver in the background?

Thank you,

Cheers,
Sebastian
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Re: Bug?

Postby Lixma » Sat Nov 28, 2015 3:49 pm

I don't use an interface just the laptop (Samsung RV511). I use MME/Direct X option in Live but I have tested ASIO and behaviour is similar.

Image

This was an ASIO test this morning....

https://www.youtube.com/watch?v=XxxqZl-EkXI

With split channels - left 3/16 right 5/16. The right channel (5/16) is muted until I bring it down to 3/16 and it comes back to life.

I will experiment with higher latency settings in Live and see if that helps.....if you guys can't replicate it then it must be something at my end.
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