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Recent Posts
1
Support - (fb2k) / Resampler dbpoweramp/SSRC and RetroArch do not null, why?
Last post by .halverhahn -
I've tested various resampler and some strange thing happened.
When I null the resampled file against the original, dbpoweramp/SSRC and RetroArch do not null.

Why dbpoweramp/SSRC and RetroArch do not null (0-24kHz), but all other resamplers do?

Used Resamplers:

foobar2000 2.1.5 Resampler (dbpoweramp/SSRC, RetroArch)
foo_dsp_resampler 0.8.7+ (SoX)
foo_dsp_src_resampler 1.0.14 (SRC - Secret Rabbit Code)
r8brain 2.10 free
Audition 3.0
ffmpeg 5.1.2

Please see screenshots.

3
Listening Tests / Re: Personal blind sound quality comparison of xHE-AAC, Ogg Vorbis, and TSAC
Last post by C.R.Helmrich -
Thanks a lot, Kamedo2, for your meticulous listening! I know how much work blind listening tests at these bitrates are. Some distilled observations and connections with previous discussions on HA:

  • In your earlier (09/2020) tests (https://hydrogenaud.io/index.php/topic,119861.0.html), exhale 1.0.6 reached a mean score of "only" 4.47 on the same 15 samples. It's nice to have some evidence now that exhale's higher-rate audio quality improved some more during the last 3-4 years.
  • Regarding my score estimator (https://hydrogenaud.io/index.php/topic,118888.msg989150.html#msg989150), your average results from yesterday are now above my estimate, similar to IgorC' 2020 results at 192 kbps. Maybe I can finally update my score estimator at the higher rates :)
  • AFAIR, this is the first blind test in which a machine learned end-to-end codec is compared against high-performance classical audio codecs. This is very valuable information since it puts all these "AI codecs outperform MP3" hyped claims into perspective - machine learned codecs deliver decent audio quality, but they don't scale to transparency... at least not in 2024.

Chris
5
Lossless / Other Codecs / Re: HALAC (High Availability Lossless Audio Compression)
Last post by Hakan Abbas -
HALAC's Encode speed is slightly better than the decode speed (I mentioned the little improvement of V.0.2.7 at the encode speed of my previous description). In fact, this situation is normal in HALAC. Because since the Encode speed is extremely fast, the decode speed seems to be behind. But not like that.

The encode process takes big data and compresses it to make it small. The decode process, on the other hand, takes compressed data and produces a larger data output. This is a disadvantage. The other problem is dependency. There is usually a dependency on the previous data in the decode process. One code cannot be passed to another without being decoded. In other words, some operations cannot be parallelized. Therefore, a bottleneck may occur at this stage.

Some codecs(especially image codecs) try to relieve the decode stage by performing more operations during the encode stage. In other words, they offer most things ready-made to the decoder. Because decode speed is more important for them. This approach also helps to increase the compression ratio, as more operations can be performed at the encode stage. In other words, more possibilities and situations can be evaluated. And some approaches, such as content modeling, can also be exhibited.

This kind of approach can also be exhibited for HALAC. In the "-high" mode, maybe we can see something like this. But I think this time it will be no different from other codecs. My goal is to make as few concessions to speed as possible.
6
General Audio / How to use lyrics with foobar2000
Last post by waynereed -
I'm looking for an alternative to iTunes using MiniLyrics. Been using them for gigs for a decade but got a new laptop, DL the current versions of both, but they no longer work together. (Thank you Apple!)

I just set up foobar but cannot find any tools/edit links or anything that refers to lyrics. I have zero ideas how to get lyrics to show while playing an MP3.

Any help is much appreciated. Wayne
7
FLAC / Re: FLAC v1.4.x Performance Tests
Last post by ktf -
Last time I checked (which is a while ago) difference was about 30%, which I don't think is extraordinary. There are lots of reasons for 64-bit compiles to be faster. 64-bit mode on x86 has double the number of registers for SIMD (SSE, AVX etc), it can do 64-bit math twice as fast, and SSE2 is standard, whereas 32-bit compiles don't use SSE2 throughout the whole program (only when explicitly coded) for compatibility reasons.
9
3rd Party Plugins - (fb2k) / Re: External Tags
Last post by aelklirion -
If I'm using folder tags, change a file's external tags from foobar and save them, but later realize I made a mistake with the file name and rename it from Windows Explorer, can I open the .tag file with a text editor and change the file name reference in it to the new one so that the external tags are associated with the renamed file? Cause I did it and it seems to have worked, but I just want to be sure this is intended use and I'm not breaking something that I can't see.
10
Support - (fb2k) / Re: Foobar2000 v2.* playback sound quality lower than v1.X
Last post by Globares -
Quote from: jarsonic on
A note:  you can load both tracks into fb2k (either v1 or v2), select both, right click, Utilities > ABX tracks and you can do a ABX blind test to see if you can actually tell the difference between the two tracks. Please consider doing this and posting your ABX results!
These samples are too close. Actually I downloaded the ABX utility to check if the "limiter" feature of it would help (it allows to play just a short piece and quickly switch between the samples), but no. I wonder if the author of the recordings can tell the difference listening on his own system. It doesn't mean that my original statement regarding the v1/v2 differences is false! I'm confident since the difference is too big for placebo effect.