Stereo Tool
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Stereo Tool 7.20
https://forums.stereotool.com/viewtopic.php?t=4813		 Page 5 of 7
Author:  Brian [ Thu May 16, 2013 9:03 am ]
Post subject:  Re: Stereo Tool 7.20
Quote:
I've learned something new about code optimization tonight :)
Can any of what you did be applied to singleband / multiband, so as to make that a little more older CPU-friendly?

Also, in the event that I do find myself with a job soon, how large of a performance difference is there with your software between an i3 and an i5, and then an i5 to an i7, for non-broadcasting / non-composite?

Also, did you, Bojcha, and anyone else that would like to comment, build your own or order from someone like Dell, HP, Lenovo, etc...?
Author:  hvz [ Thu May 16, 2013 11:27 am ]
Post subject:  Re: Stereo Tool 7.20
Quote:
Interesting about the Pira analyzer. I guess you have the P175 (boxed version with USB connector) :D
A lot of measuring possibilities in one small box. Great, thanks for the tip!
Yes, I got the boxed version. Works great - FAR beyond what I had expected (especially after seeing how bad those other devices worked). I have no way to check if the measured levels are accurate - but the fact that they are so constant through the whole spectrum is very promising, and so is RadioFreak's comment. :D
Author:  hvz [ Thu May 16, 2013 11:33 am ]
Post subject:  Re: Stereo Tool 7.20
Release candidate!

Stand alone: http://www.stereotool.com/download/ster ... 21-003.exe
Winamp DSP: http://www.stereotool.com/download/dsp_ ... 21-003.exe
VST: http://www.stereotool.com/download/vst_ ... 21-003.dll

- Stokkemask filter is calibrated using Eldoradofm's spectrum analyzer (Thanks a lot! Hope you got some sleep tonight....)
- Removed non-oversampled Stokkemask filter since it was far too inaccurate
- Added slider to make filtering less strict; this causes some small spikes occasionally but it also sounds a lot better.
- Checked Generic presets, removed FM stuff from one
- Updated several presets (Bojcha's R-Type web version, Brian's Cobalt, added Jeroen Platenkamp's Spidey's web preset).
Author:  phoenix [ Thu May 16, 2013 2:14 pm ]
Post subject:  Re: Stereo Tool 7.20
Quote:
Also, in the event that I do find myself with a job soon, how large of a performance difference is there with your software between an i3 and an i5, and then an i5 to an i7, for non-broadcasting / non-composite?

Also, did you, Bojcha, and anyone else that would like to comment, build your own or order from someone like Dell, HP, Lenovo, etc...?
Since I have a plethora of systems - laptops /desktop spanning across different processors - AMD Athlon X2 to Phenom II X4, and from Core i3 350m (SandyBridge) to Core i7 3770 (Ivy Bridge), think I can present a definitive opinion.

Just 2 weeks back I assembled a new desktop using Core i7 3770 in conjunction with Asrock Z77 Extreme 4, ditching my 4 year old Phenom II X4 system, I am utterly pleased.

Concerning your question, if you intend to make use of Natural Dynamic - the density detector driven multiband expander, you need to have Core i5 atleast. Core i3 throttles to process the samples at real time. If just clipper + declipper, then core i3 should suffice your requirements. If you really can afford, better to go for Core i7 - or wait for Haswell processors to hit the shelves :)
Author:  hvz [ Thu May 16, 2013 2:21 pm ]
Post subject:  Re: Stereo Tool 7.20
@Brian: Check this website: http://www.cpubenchmark.net/cpu_list.php

First look up your current CPU.

Then look up the CPU you want to get. Divide the number (speed) by the number of cores that it has, that gives you the speed per core.

For measurements: Turn on everything you want to use on your system and lower Quality to 25%.
Basically, if Quality could be set at 0% it would reduce the CPU load by half compared to 100%.
So, Quality 25% gives you a CPU load of 50 + 50 * .25 = 62.5% of the CPU load at 100%.

So, take the CPU load that you get on your system at Quality 25%, and divide it by 0.625 (multiply by 1.6).
Then multiply that result by the speed of your CPU divided by the speed PER CORE of the CPU you want to get.

This will give you an estimate of the CPU load of one core if you would run Stereo Tool in single core mode.

If you use the new multiband, declipper and clipper, you can assume that at least 1/3rd of that will be moved to another core in multicore mode, so you could divide it by 1.5.
Author:  hvz [ Thu May 16, 2013 2:23 pm ]
Post subject:  Re: Stereo Tool 7.20
Released! viewtopic.php?f=14&t=4819
Author:  Bojcha [ Thu May 16, 2013 3:45 pm ]
Post subject:  Re: Stereo Tool 7.20
Quote:
Also, did you, Bojcha, and anyone else that would like to comment, build your own or order from someone like Dell, HP, Lenovo, etc...?
I build all PCs i have at work. 2 reasons, because i know best and because i'll spend less money. My boss likes that, especially 2nd thing.

Also, 2 PCs i have on 2 transmitters uses new composite, and they have E5400 and E5700 CPUs. All working on edge, but yesterday i got 2 CPUs i ordered, E8500, which will/should be just enough.
So, no need for i5 and i7, i3 (3rd generation) should be just enough. Ofcourse there is other things then just CPU, like OS, drivers, tuning all stuff.. etc.
Author:  Brian [ Thu May 16, 2013 6:13 pm ]
Post subject:  Re: Stereo Tool 7.20
Quote:
So, no need for i5 and i7, i3 (3rd generation) should be just enough. Ofcourse there is other things then just CPU, like OS, drivers, tuning all stuff.. etc.
If I skimp and go for an i3 / non-SSD / built-in audio and video build, the lowest I've been able to get to so far is around $1000. Mainly because of two items:

1) High-end motherboard (ASUS Maxiumus V Formula), as OEM Windows, if done legally, is tied to the motherboard. I can upgrade other components later, but the motherboard is what Microsoft is picky about, so I was going for a good one.

2) 80 Plus Gold certified 750W power supply, for future expansion. I suppose I could drop to 500W and upgrade later if needed.

Like phoenix said though, I'm curious about upgrade path to Z87 (Haswell), although I don't see i3 mentioned for that. I haven't looked much though, as I was mostly looking at Sandy/Ivy/Sandy-E.

I'll try the math that Hans suggested later.
Author:  oldiesstation [ Thu May 16, 2013 6:24 pm ]
Post subject:  Re: Stereo Tool 7.20
7.20 and now 721 rocking on a Dell Optiplex 745 DT with core 2 duo.CPU 45-51 Max. NICE! Loving me some Baron preset!!!
Author:  Bojcha [ Thu May 16, 2013 7:20 pm ]
Post subject:  Re: Stereo Tool 7.20
@ Brian
I also always want good motherboard, that one from Asus is killer ;).
But with what i would go is some cheaper model with Z77 chipset, like P8Z77-V LE PLUS Asus, (here is around 140€) and best i3 cpu.
Always depend what's your plans for future.
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