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by sadko4u
Thu Jan 16, 2020 4:32 pm
Forum: System Tuning and Configuration
Topic: are you always listening at 83dB SPL? aka/ ISO 226:2003 based loudness compensation
Replies: 11
Views: 809

Re: are you always listening at 83dB SPL? aka/ ISO 226:2003 based loudness compensation

yea, the EQ/convolver needs a diferent curve every 5dB or so. It needs a proper volume control which will change the curves when changed. an EQ/convolver software with a switch to change between (6 or so) curves would actualy do the job the dev explains the theory here: https://github.com/dpapavas/...
by sadko4u
Thu Jan 16, 2020 7:57 am
Forum: System Tuning and Configuration
Topic: are you always listening at 83dB SPL? aka/ ISO 226:2003 based loudness compensation
Replies: 11
Views: 809

Re: are you always listening at 83dB SPL? aka/ ISO 226:2003 based loudness compensation

Do I right understand that you need an Equalizer which will have different equalization (according to the loudness curve) depending on the gain settings?
by sadko4u
Sun Jan 12, 2020 6:10 pm
Forum: HOW TOs, Tips & Tricks
Topic: HOWTO: Quick Frequency Response Measurements Using JAPA and Faust
Replies: 30
Views: 4494

Re: HOWTO: Quick Frequency Response Measurements Using JAPA and Faust

whats your opinion on the EQ vs convolver question? According to the DSP theory, convolution is another way to present the frequency characteristics of the linear system. But parametrized filters have two huge advantages: - parametrized filters can be simply edited by adjusting their parameters; to...
by sadko4u
Sat Jan 11, 2020 11:00 pm
Forum: HOW TOs, Tips & Tricks
Topic: HOWTO: Quick Frequency Response Measurements Using JAPA and Faust
Replies: 30
Views: 4494

Re: HOWTO: Quick Frequency Response Measurements Using JAPA and Faust

@sadko4u: Just to make sure that it's correct, what I'm doing: When saving the filter.req file from REW I have to choose the GENERIC filter type, right? When importing this into your EQ it automatically jumps to APO. In here I have to choose PK, I guess (as written a page above from here): https://...
by sadko4u
Sat Jan 11, 2020 5:25 pm
Forum: Original Scores & Recordings
Topic: Voice of Sands - Зеркала (Mirrors)
Replies: 2
Views: 140

Voice of Sands - Зеркала (Mirrors)

One of our rare song recently recorded in a rehearsal room - Зеркала (Mirrors).
Currently without vocals but we've already found female vocalist and going on!
https://youtu.be/uZWtrl6lJDQ
by sadko4u
Mon Dec 23, 2019 9:24 am
Forum: Linux Music News
Topic: [ANN] LSP Plugins 1.1.11 is ready!
Replies: 8
Views: 441

Re: [ANN] LSP Plugins 1.1.11 is ready!

Sadly but short announcement: one CPU instruction has failed a release. If you have AVX support and no AVX2 support by your computer, please don't upgrade until the fix will be published. Otherwise plugins will crash trying to execute non-implemented vbroadcastss instruction on your CPU. The related...
by sadko4u
Sat Dec 21, 2019 8:29 pm
Forum: Linux Music News
Topic: [ANN] LSP Plugins 1.1.11 is ready!
Replies: 8
Views: 441

Re: [ANN] LSP Plugins 1.1.11 is ready!

Oh, I forgot: Merry upcoming Christmas and Happy New Year!
by sadko4u
Sat Dec 21, 2019 8:04 pm
Forum: Linux Music News
Topic: [ANN] LSP Plugins 1.1.11 is ready!
Replies: 8
Views: 441

[ANN] LSP Plugins 1.1.11 is ready!

This release is published exactly 4 years after the 1.0.0 release of LSP Plugins and is aimed to close many core and UI technical debts. All these changes make LSP Project much better in the UI experience and much faster from the DSP perspective. That's because support of additional features like dr...
by sadko4u
Mon Dec 09, 2019 1:21 pm
Forum: Raspberry Pi
Topic: Raspberry PI 4: CPU too powerful/memory too slow?
Replies: 1
Views: 692

Re: Raspberry PI 4: CPU too powerful?

As the opposite situation, here's the same code for Raspberry Pi 3B+
Image
As we see here, there are less losses on load/store instructions than for Raspberry Pi 4B
by sadko4u
Mon Dec 09, 2019 12:49 pm
Forum: Raspberry Pi
Topic: Raspberry PI 4: CPU too powerful/memory too slow?
Replies: 1
Views: 692

Raspberry PI 4: CPU too powerful/memory too slow?

I'm currently profiling some DSP code that I try to optimize for Raspberry Pi 4. The most interesting thing related to Raspberry PI 4 is that SIMD-optimized code gets nearly the same performance as same scalar code. Currently looking with the perf tool, I see the bottleneck related to the... memory?...
by sadko4u
Tue Dec 03, 2019 8:03 pm
Forum: Original Scores & Recordings
Topic: Voice of Sands - Dune (instrumental)
Replies: 6
Views: 532

Re: Voice of Sands - Dune (instrumental)

That's some pretty serious shredding! It's nice to play with a full band - that's something I haven't done in years. (Actually it's been over a decade! I must be getting old.) Did you do any overdubbing on the guitar? There are some parts where I hear a harmony, but it doesn't look like you are pla...
by sadko4u
Thu Nov 28, 2019 9:12 am
Forum: Original Scores & Recordings
Topic: Voice of Sands - Dune (instrumental)
Replies: 6
Views: 532

Voice of Sands - Dune (instrumental)

A new video from our rehearsal/repetition room.
It's an instrumental version of one of our songs.
Now we have a bass player, too.
https://youtu.be/mLyVxHeGuIQ
by sadko4u
Thu Nov 21, 2019 10:22 pm
Forum: Raspberry Pi
Topic: Raspberry PI 4 vs AMD Athlon 64 X2 4400+
Replies: 3
Views: 419

Re: Raspberry PI 4 vs AMD Athlon 64 X2 4400+

So PI4 would be better option than old laptop(s) I have (I have also recent HW). But availability of software makes things different, no Mixbus available. Is there even arm port of Ardour? Anyway, thanks for benchmarks! The main disadvantage of PI is that it does not have SATA or M2 support out the...
by sadko4u
Thu Nov 21, 2019 2:07 pm
Forum: Raspberry Pi
Topic: Raspberry PI 4 vs AMD Athlon 64 X2 4400+
Replies: 3
Views: 419

Raspberry PI 4 vs AMD Athlon 64 X2 4400+

Testing benchmark of fused multiply-add routines currently developed in context of LSP Project. The results of benchmark I've compared to one of my computers with AMD Athlon 64 X2 4400+ CPU. It seems that Raspberry Pi is already faster than x86 processors issued in 2005's. The results of Raspberry P...

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