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93
Scientific Discussion / Re: Does resampling algorithm can influence mp3 decoding quality?
Last post by bennetng -
Firstly, make sure Reaper is set to use a high quality resampler. If one is able to ABX anything above 64pt I would consider that person a god, or cheater.
X

Secondly, use a proper ABX tool like the one from foobar instead of simply playing files in random order. Some "hi-end" DACs may not use proper interpolation and can result in audible difference with different sample rates. One may also notice some delay or audible switching noise when the DAC changes sample rates. The foobar ABX tool can avoid this issue by always resample the low sample rate file to match the high sample rate one.

foobar's built-in resampler, RetroArch, has quality settings as well, use at least "Higher" for reliable tests.
94
3rd Party Plugins - (fb2k) / Re: MathAudio Headphone EQ for Foobar2000
Last post by Air KEN -
> Did you read my previous post?
Yes.
> but you have to use the .hdp file if the Foobar's preset doesn't work.
No problem: v1.4.7 → v1.4.8
v1.4.9: It seems that you need to create a new.
Quote
Please Test with v1.4.7 "DSP chain presets" (Mix in other DSP Components).
Please tell me the result of TEST
95
Scientific Discussion / Re: Does resampling algorithm can influence mp3 decoding quality?
Last post by KillBlood -
Quote from: Porcus on
To be clear, that was not what he was test listening to?
No. But before trying to answer, he said this (probably because the test seemed a bit harder than what he initially though it would be). But I'm really not sure my Reaper algorithm decoding the mp3 to 24/176.4 does something very different than what does any mp3 player software in realtime.
97
Scientific Discussion / Re: Does resampling algorithm can influence mp3 decoding quality?
Last post by KillBlood -
Can you elaborate on this?
He's not an engineer, he's a musician (with golden ears, as it seems!). He probably has an idea of what resampling does between different sample rates on uncompressed files, but probably not on an mp3. He told me about high-end machines for doing this: "DCS, MSB, Meitner, Lynx". But obviously nothing related to mp3.
98
General - (fb2k) / Re: Configure music library using external drive and NAS on Linux Mint
Last post by paregistrase -
Quote from: dmallind on
I suspect this is a repeat.  I can find tantalising almost-answers even.  But no luck trying.  Having installed FB2k via snapd on the following system

System:
  Kernel: 5.15.0-58-generic x86_64 bits: 64 compiler: gcc v: 11.3.0 Desktop: Cinnamon 5.6.7
    tk: GTK 3.24.33 wm: muffin dm: LightDM Distro: Linux Mint 21.1 Vera base: Ubuntu 22.04 jammy
Machine:
  Type: Desktop System: Gigabyte product: A320M-S2H v: N/A serial: <superuser required>
  Mobo: Gigabyte model: A320M-S2H-CF v: x.x serial: <superuser required>
    UEFI-[Legacy]: American Megatrends v: F23 date: 08/08/2018

I cannot configure the music library to monitor either a portable hard drive or a Synology 216J NAS using DSM 7.0.1.  Both are easily available in the files viewer in Mint, both can be accessed by Audacious and Deadbeef which I tried as alternatives.  But in Foobar nothing outside of my desktop is visible.

I did try the command line sudo snap connect foobar2000:removable-media as one help thread advised but to no avail.  Really want to keep FB2k as I use features on it I cannot find in other players.  Thanks in advance for any help.

I am minimally technical, sorry.

"sudo snap connect <applicattion name>:removable-media" should give the app access to any drive mounted in media/<your user>

 If you want to give a SNAP package full access to your local system (e.g. /mnt) then you can use  --classic when installing the snap (Classic confinement for full system access)

The easiest way to avoid problems derived from snaps confinement is to install foobar2000 with wine in a normal prefix. this way you can access any file or folder your user can out of the box
100
Scientific Discussion / Does resampling algorithm can influence mp3 decoding quality?
Last post by KillBlood -
Hi everybody,

I have a friend, the founder of a recently created firm releasing high-end audio files, CDs and vinyles made by digitalising old and forgotten magnetic tapes. His business is becoming to have some really good reputation. But that's not the point.

I wanted to test his ears, and took a 20s excerpt from one of his released HD audio file (which is 24-bit/176.4 kHz mono) and created 5 different flavors:
  • 1 - original : 24-bit / 197.4 kHz
  • 2 - CD 16-bit / 44.1 kHz (avec dither)
  • 3 - mp3 LAME CBR 320
  • 4 - mp3 LAME VBR q0 (254 kb/s)
  • 5 - mp3 LAME VBR q4 (145 kb/s)
And then resampled all this in random order in a 24-bit/176.4 kHz mono file. He listened to this and to my astonishment he was able to tell me the exact quality order (with only a doubt between 3 and 4). As far as I am concerned, I can't distinguish any of those formats :-D Though, I must add that he listened to this on his high-end system, and he deeply knows the source file, since he released it. Really impressive, nevertheless. But that's still not the point.

Since his business is high-end audio, he barely knows mp3 specifications. He claimed that my mp3 compression resampled to 24/176.4 was probably better than the mp3 itself, due to my software resampling algorithm. I believe this is not true, or absolutely negligible, in regard to what is actually lost with the mp3 conversion (and never recovered whatsoever). But I'd like your thoughts on that point!