<html> <head> <base href="https://bugs.freedesktop.org/"> </head> <body> <div> <a class="bz_bug_link bz_status_NEW " title="NEW - LFE channel not synthesized properly" href="https://bugs.freedesktop.org/show_bug.cgi?id=95021#c27">Comment # 27</a> on <a class="bz_bug_link bz_status_NEW " title="NEW - LFE channel not synthesized properly" href="https://bugs.freedesktop.org/show_bug.cgi?id=95021">bug 95021</a> from <a class="email" href="mailto:superquad.vortex2@gmail.com" title="Raymond <superquad.vortex2@gmail.com>"> Raymond</a> <pre>(In reply to Tanu Kaskinen from <a href="show_bug.cgi?id=95021#c0">comment #0</a>) > According to a report on the mailing list, upmixing a stereo stream to 5.1 > results in bass being removed from the audio. LFE remixing should move bass > to the LFE channel, but reportedly that doesn't happen. > > I'll mark this as a release blocker. I plan to try to reproduce the bug. If > I can't reproduce, the blocker status can be removed, and maybe this bug can > be closed too. > > Here's the original report: > <a href="http://thread.gmane.org/gmane.comp.audio.pulseaudio.general/25574/focus=25705">http://thread.gmane.org/gmane.comp.audio.pulseaudio.general/25574/focus=25705</a> <a href="https://cgit.freedesktop.org/pulseaudio/pulseaudio/commit/?id=979f19a434733afba0480e2ba456cccc98362e05">https://cgit.freedesktop.org/pulseaudio/pulseaudio/commit/?id=979f19a434733afba0480e2ba456cccc98362e05</a> When enable-lfe-remixing is set, an LFE channel is present in the resampler's destination channel map but not in the source channel map, we insert a low-pass filter instead of just averaging the channels. Other channels will get a high-pass filter.</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> <li>You are the assignee for the bug.</li> </ul> </body> </html>