Recording Enhancements Pack

[whatboutbob]

Thanks Petur.

[petur]

latest builds now have cliplight when only monitoring...

[petur]

dr.pheel & simon142857:  I've not tested the backlight function in a while, but my post back a couple of pages may explain the issues you're having:

Something worth mentioning on the clipping indicator though...its not an exact tool...hence neither is the cliplight.  It is possible to clip without triggering the indicator.  The issues are at least twofold...but I'm running off memory here, which is unreliable at best.  I believe clipping needs to exist over two samples before its triggered (eg one loud clap won't trigger it).  Apparently it can also get false positives, and just not fire other times.  In other words, don't put complete faith in it.

So in short, a clap will not trigger the backlight, regardless of whether it clips.  Extended clipping will trigger the backlight...scream into the mics...see what happens. Warn your neighbours first maybe...you don't want cops turning up at your door wondering who's being murdered. 

it's worse than I thought: not only is only the first recorded chunk checked for peaks (skipping many recorded chunks every time), it also only checks every third sample in that chunk....

however, first tries to fix this have shown a performance problem, so it will required a bit of optimization to get it perfect.

[whatboutbob]

Good to see it in CVS petur.  Will test it out this afternoon.

What sort of 'performance problem' are you referring to?  Just battery drain, or something riskier?

Don't spose you feel like tackling optical recording?  I'm hanging out for it, along with quite a few others, but it doesn't seem like any of the devs want a bar of it.

[westkc3]

I've downloaded the 2/22/06 build but can't see the clip light setting option in recording settings.  I verified the cvs is 2/22/06 so the files were extrated ok.  Is there something more I need to do?

[petur]

I've downloaded the 2/22/06 build but can't see the clip light setting option in recording settings.  I verified the cvs is 2/22/06 so the files were extrated ok.  Is there something more I need to do?

Very strange... it should be there 

[petur]

What sort of 'performance problem' are you referring to?  Just battery drain, or something riskier?

Doing the peak metering on all samples and then loop them all again for sample conversion proved to be too much activity to handle. So I combined both functions, which *seems* to work ok.

Would like to get feedback if everything is working ok. Make sure to use the latest bleeding edge build as this was only committed last night.

Don't spose you feel like tackling optical recording?  I'm hanging out for it, along with quite a few others, but it doesn't seem like any of the devs want a bar of it.

I'm a h340 user, so I don't have any means to test. I also don't have any use for it, and do have uses for other features I want (but not on recording front), so this feature will wait for an h1xx developer to implement. Sorry.

[whatboutbob]

Petur: Sorry to report that using the bleeding edge build I can still clip without triggering the backlight...both with short bursts (eg clapping) or more prolonged clipping (~5 seconds). I'm sure there's a method to the madness but it seems completely random as to whether or not the backlight's triggered. Lemme know if you have any q's.

[petur]

Petur: Sorry to report that using the bleeding edge build I can still clip without triggering the backlight...both with short bursts (eg clapping) or more prolonged clipping (~5 seconds). I'm sure there's a method to the madness but it seems completely random as to whether or not the backlight's triggered. Lemme know if you have any q's.

just a quick check: was the harddisk spinning as you tested this? because it won't do anything while writing to disk.

I'll try to dive into the code again...  somebody donate me some time

[whatboutbob]

just a quick check: was the harddisk spinning as you tested this? because it won't do anything while writing to disk.

I'll try to dive into the code again...  somebody donate me some time

The hdd was spinning on some of the occassions, but not all.

[petur]

Can you try the latest bleeding edge, I think I found the reason and committed the fix. If you're reading this within 1 hour of this writing, wait a bit to make sure the bleeding edge build is done before downloading.

If you build your version yourself, cvs is up to date...

Let me know the results

[vinylivo]

Hi petur!

Your changes in pcm_record work like a charm. Now it really detects any single clip, at least on the build I'm running now (base is 060214 with rec enhancement patch and modifications by me).
I'm writing an AGC (automatic gain control) at the moment. It's mostly finished and just needs some more tests until I'll provide a patch. Now the AGC works even better with the new version of pcm_record, much more accurate leveling. Thanks alot!

[fizze]

petur, you are a H340 user ?

Shouldnt that enhacements pack work on a H300 too, after slight tweaking ? *scratches head*

[petur]

petur, you are a H340 user ?

Shouldnt that enhacements pack work on a H300 too, after slight tweaking ? *scratches head*

Yes, I only have a H340.
The builds for H1xx and H3xx are not compatible, so that won't work...

[petur]

Your changes in pcm_record work like a charm. Now it really detects any single clip, at least on the build I'm running now (base is 060214 with rec enhancement patch and modifications by me).
I'm writing an AGC (automatic gain control) at the moment. It's mostly finished and just needs some more tests until I'll provide a patch. Now the AGC works even better with the new version of pcm_record, much more accurate leveling. Thanks alot!

glad I nailed that bug
looking forward to your patch!