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Recent Posts
1
General - (fb2k) / Re: Opus conversion failure (Code -1073741502)
Last post by sveakul -
Quote from: Viper21 on
Yeah, seems I was a bit hasty with my "problem solved". I momentarily forgot that when I was playing around with the custom decoder settings, I had set the path to some old opusenc.exe file (libopus 1.3, libopusenc 0.2.1) that was in the installation directory of an old version of dbPoweramp which I never got around to paying for an update. So that old one seems to be working but not the one in the f2K folder.

When  I set the custom decoder path back to the encoder from the Free Encoder Pack in the f2K installation folder, it fails again. Back to square one. I am completely stumped.
1.  Delete any "opusenc.exe" in Foobar/encoders or elsewhere
2.  Re-install the Free Encoder Pack and don't change any paths
3.  Right-click a FLAC playlist file and choose Convert->quick convert
4.  From the Quick Convert list, choose Opus and hit the "edit" button below
5.  In the Preset dialog that comes up, move the slider/drop boxes to the values you want, hit "OK", then "Convert"
6.  Pick where you want the file saved to and hit "Save"--the conversion to Opus will proceed.

If this works fine, you know you have a good opusenc.exe.  If you still want to change converter paths, add options, etc those results are on you.
3
Listening Tests / Re: A killer sample for Opus 256 VBR
Last post by Teddy_the_barber -
Quote from: magicgoose on
could it also be some distortion of those high frequencies leaking into a (more) audible range?
We're definitely not listening to a >20 kHz range here))  Opus sounds transparent if encoded from the lowpassed flac, while opus file and the lowpassed flac can be abx`ed against the original flac. So the only explanation is as @.halverhahn rightly assumed- some sort of distortion from frequencies above 20 kHz bleeds into the (very much) audible range.
5
General - (fb2k) / Re: Opus conversion failure (Code -1073741502)
Last post by Case -
System search path manipulation is not a solution for this problem as there is already enough confusion. Adding more variables is not a good idea for now.

Please use Process Monitor to record what happens that generates the error you see. Once you have the error captured you can stop recording using the Play-button looking symbol on the toolbar.
You can filter out everything unrelated:
Click 'Tools' -> 'Process Tree...'
Find foobar2000.exe from the process tree, right click it and select 'Add process and children to Include filter'.
Close the Process Tree dialog with 'Close'.
Select 'File' -> 'Save...' and save the displayed results using PML format.
Please share the saved file here. You can compress it before uploading, the format compresses very well even with simple zipping.
6
3rd Party Plugins - (fb2k) / Re: foo_vis_vumeter
Last post by oops -
Updated version: 0.10.5
Note: this version has too many ambitious changes which necessitates a more cautious rollout. Consequently, it is not marked as the current release and that means you'll need to manually download/install to use.

Fixes from forum reports:
  • Fix multi-monitor behavior during fullscreen
  • Draw LEDs before the needle in BIN-style panels

Features from forum requests:
  • Do not regenerate panels directory when using a custom panel path
  • Add mixer dialog

Plus, various other behind-the-scenes improvements.

Quote from: boxerfan88 on
On a related topic, may I know why the FC isn't downmixed into the left_channel or right_channel for VU display, instead FCL and FCR is used instead?
How did you figure that? All "center channels" are mixed in equally into right and left. The reason the center channel levels are (generally) halved in the default levels _is_ because of they are "downmixed" into the L and R stereo channels. The C channel would overwhelm the traditional L and R ones if left at 0 dB (which is why I made the default -3 dB; the ideal assuming equidistant channel separation from and constructive interference at the listening position). This mixing is very clearly visible when using test tones.
According to foobar2000 SDK, 5.1 is: FL, FR, FC, BL, BR, LFE. I had always thought SL and SR were for 5.1 with BL and BR completing the 7.1 configuration. But in this case, following the SDK. If the channels are not included in the PCM stream or they are silent, there is no impact.
7
General Audio / Re: Every SACD has left and right channel swapped
Last post by Valetos2 -
Wow, that's heavy. After further test I've figured out that the channels do swap when I change the ASIO driver mode from PCM (normal channels) to DSD (swapped channels). The DAC shows it's switched to DSD64 mode, and everything is swapped.



To make DSD work at all I had to follow this instruction and install ASIO Proxy and Savi Audio Bravo HD driver (probably that's the driver for the chip but I'm not sure):
https://support.fosiaudio.com/hc/en-us/articles/32879080134937-How-to-Set-Up-the-New-DS2-on-Foobar2000

foobar2000 has the channel swapping option for ASIO, but it affects only PCM playback and makes no difference in DSD:



I'll ask the Fosi Audio support since the issue looks to be on their side. Maybe the wiring on the circuit is wrong, lol :)
8
AAC / Re: QAAC on Windows 11
Last post by nu774 -
I couldn't reproduce any significant differences here by SmartScreen.
However, I could observe through Process Monitor the following:
When reading MP3 files, a lot of calls to QueryStandardInformationFile() is issued, at least once prior to ReadFile() each time.
QueryStandardInformationFile() should be expensive on Windows, and this might be the cause.
Simply caching the results on qaac side could make a substantial difference.
9
3rd Party Plugins - (fb2k) / Re: foo_vis_vumeter
Last post by boxerfan88 -
Quote from: boxerfan88 on
Quote from: oops on
Current multi-channel mixing is as follows:
Code: [Select]
uint32_t left_channels = channel_front_left | channel_back_left | channel_front_center_left | channel_side_left | channel_top_front_left | channel_top_back_left;
uint32_t right_channels = channel_front_right | channel_back_right | channel_front_center_right | channel_side_right | channel_top_front_right | channel_top_back_right;
uint32_t center_channels = channel_front_center | channel_lfe | channel_back_center | channel_top_center | channel_top_front_center | channel_top_back_center;
std::array<int8_t, defined_channel_count> mix_factors{0, 0, -3, -10, -3, -3, -6, -6, -6, -3, -3, -6, -3, -6, -3, -3, -6, -3}; // front_left, front_right, front_center, lfe, back_left, back_right, front_center_left, front_center_right, back_center, side_left, side_right, top_center, front_left, front_center, front_right, back_left, back_center, back_right
Left panel gets left and center channels. Right panel right gets right and center channels. The mix factors attenuate center channels by half, generally, since they are mixed into both channels. There are too many channels (18) to intuitively allow for a specific mix factor for each. In case it wasn't obvious, the mix factors are in decibels.

Ah ... i see.
Any chance to expose mix_factors for user adjustments?
Either in config_panel or foobar_advanced_preferences?
Thank you in advance for your consideration.

Hello @oops

If exposing mix_factors for user adjustment is too much work, may I request a special preset?

If (some_flag_in_advanced_preferences)  load
   mix_factors{0, 0, 0, -10, -3, -3, 0, 0, -6, -3, -3, -6, -3, -6, -3, -3, -6, -3};
else load
   default mix_factors;

I hope this is possible. Thank you very much in advance.

On a related topic, may I know why the FC isn't downmixed into the left_channel or right_channel for VU display, instead FCL and FCR is used instead? 
(I would guess that FCL and FCR would be silence in the case of 5.1 or 7.1)

I saw this image in another thread in this forum ... FCL and FCR are not used for downmixing to stereo ... instead FC is used for downmixing to stereo.

10
General Audio / Windows Media Player Plus
Last post by nb666 -
Why is it that for videos in the mp4 format, some can be played normally, while for some others, only the sound can be played but the picture cannot be displayed after opening? Are there any solutions to this problem? Or are there any other plugins that can solve this problem?