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A mono source is currently upmixed by swresampler in the following way: - for stereo output, FL=FR=input/sqrt(2) - for other speaker layouts of the outputs, FC=input, other channels are zeroed. In the case of stereo output, this leads to a 3dB level decrease which users have issue with [1]. The obvious fix of adding a 3dB gain is reported to be adding distortions on some setups [2]. Note that the "Downmix to Mono" does not fix this upmix problem, since it just makes all output channels identical by summing all input channels and normalizing (by dividing by the number of output channels). This last normalization step results in a level reduction for a mono input. [1] This fixes https://obsproject.com/mantis/view.php?id=960. [2] See also: https://obsproject.com/forum/threads/please-allow-for-mono-recording-of-microphones-ill-explain-why.84834
OBS Studio <https://obsproject.com> =================================== .. image:: https://travis-ci.org/obsproject/obs-studio.svg?branch=master :alt: OBS Studio Build Status - Travis CI :target: https://travis-ci.org/obsproject/obs-studio .. image:: https://ci.appveyor.com/api/projects/status/github/obsproject/obs-studio?branch=master&svg=true :alt: OBS Studio Build Status - AppVeyor CI :target: https://ci.appveyor.com/project/jp9000/obs-studio/branch/master .. image:: https://discordapp.com/api/guilds/348973006581923840/widget.png?style=shield :alt: OBS Studio Discord Server :target: https://obsproject.com/discord What is OBS Studio? ------------------- OBS Studio is software designed for capturing, compositing, encoding, recording, and streaming video content, efficiently. It's distributed under the GNU General Public License v2 (or any later version) - see the accompanying COPYING file for more details. Quick Links ----------- - Website: https://obsproject.com - Help/Documentation/Guides: https://github.com/obsproject/obs-studio/wiki - Forums: https://obsproject.com/forum/ - Build Instructions: https://github.com/obsproject/obs-studio/wiki/Install-Instructions - Developer/API Documentation: https://obsproject.com/docs - Bug Tracker: https://obsproject.com/mantis/ (Note: The bug tracker is linked to forum accounts. To use the bug tracker, log in to a forum account) Contributing ------------ - If you wish to contribute code to the project, please make sure to read the coding and commit guidelines: https://github.com/obsproject/obs-studio/blob/master/CONTRIBUTING.rst - Developer/API documentation can be found here: https://obsproject.com/docs - If you wish to contribute translations, do not submit pull requests. Instead, please use Crowdin. For more information read this thread: https://obsproject.com/forum/threads/how-to-contribute-translations-for-obs.16327/ - Other ways to contribute are by helping people out with support on our forums or in our community chat. Please limit support to topics you fully understand -- bad advice is worse than no advice. When it comes to something that you don't fully know or understand, please defer to the official help or official channels. Credits ------- - Icons made by `Freepik <https://www.freepik.com>`_ from `Flaticon <https://www.flaticon.com/>`_ are licensed under `CC 3.0 BY <https://creativecommons.org/licenses/by/3.0/>`_.