Finally! Instructions on how to merge the improved audio for Q+AL London 3rd night with full HD video:

These instructions are for the video torrent (taped by MeghanEliseForPeace) that's being circulated here:
http://www.queenzone.com/forums/1321313/announce-uncut-video-of-hammersmith-3-take-three-4-files-torrent.aspx?page=4

Instructions (Windows):
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1) Download and extract the improved audio here: http://www.mediafire.com/?mnydtt0vy1cute3,3sszsbzwbvygw96
(The audio is a mix of TALC's audio & the video's audio)

2) Load tsMuxerR GUI (download here: http://www.videohelp.com/tools/tsMuxeR)

3) Follow the instructions in this screenshot: http://www.mediafire.com/view/?pjdf4k42fl0mobx

/FIN

Mac users:
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I don't know an equivalent of tsMuxerR GUI for Mac that works properly, but you can use MKVToolNix to achieve a similar effect (output will be in *.MKV, not *.TS).

The steps to join the files should be almost similar to tsMuxer as the interface is quite similar (except "Join" in tsMuxer is called "Append" in MKVToolNix).

MKVToolNix can be downloaded here: http://www.bunkus.org/videotools/mkvtoolnix/

Notes:
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So the improved audio took far longer than I expected, due to 2 reasons:

1) For some weird reason, the audio by TALC is about 250-300ms longer than the audio in the video, so TALC's audio drifts off from the footage over time and gets very out-of-sync by the 2-hour mark.

2) While the TALC audio sounds great on headphones, due to the way the audio is distributed in the left & right audio channels, the sound doesn't translate too well on TV; the video's audio on the other hand sounds mostly ok on TV but really lacks dynamic range and bass, and is extremely thin on headphones.

Steps I took:
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1) Using Adobe Audition, I made cuts in between tracks to sync the TALC audio with the video's footage & audio. (Originally I tried to simply change the speed of the audio to match the footage but it resulted in a whole series of complications that I shall not go into here.) The audio transitions between the cuts are seamless (Audition has an auto 2ms crossover fade feature that ensures this.) No cuts were made during songs.

2) I boosted TALC's audio's mid to high frequencies using Audition's Multiband Compressor (see settings used here: http://www.mediafire.com/view/?een5ecpel5nhss2), as well as slightly balanced the audio channels using Amplify. Bass was slightly reduced.

3) Mixed the video's audio (-0.5dB) with TALC's audio (ensuring everything's in sync) to create an audio track that sounds pretty good both on TV and on headphones.

4) Exported to WAV > transcoded to AC3 using FFmpeg commandline.

Hope you like the result!

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