Sonic Boom 2013 (lost livestream of "Sonic the Hedgehog" convention; 2013)

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An image of the stream on its original webpage, taken when it was still live.

Status: Lost

Sonic Boom 2013 was an event hosted by SEGA of America on August 10th, 2013, in St. Louis.[1] The event was designed for fans of the Sonic the Hedgehog video game series to meet other like-minded people, take part in a large variety of activities[2], pick up new merchandise and watch a stage presentation, featuring new trailers, live performances, and fan contests. One of the heavily advertised highlights[3][4][5] of the event was Crush 40's concert performance[6], a band known for making many vocal tracks for Sonic games.

An official live stream of the full stage presentation at the event was conducted online by Live Alliance, on behalf of SEGA.[7][8] However, recordings of this livestream have become very scarce, with no official VOD available, although there was one for a short time after the stream finished[9]. The only video found so far makes up a dozen minutes, of the seven hours[10] the stream ran for.



The stream contained multi-camera professional-grade video, cutting between 3 human-operated cameras[11] and a video feed from the projected screen[12]. All the cameras are on tripods and remain in fixed positions throughout the production, albeit with changing zooms and panning from the operators as appropriate[11]. Two of the cameras were positioned in equal locations on a sectioned off, raised area of the flooring around the crowd either side of the stage, while the other was positioned near the centre-back of the room, typically offering tight shots of the key member on the stage.

Taken before the show started. One of the stream's cameras can be seen on the left side of this image.

Throughout the stream, logos periodically fade in and out of each of the bottom corners, with "Sonic Boom 2013" in the bottom-left position and "Live" in the bottom-right.[11] It's estimated these logos appeared once every few minutes, but not enough continuous footage of the stream exists to confirm this theory for certain.

The exact resolution and framerate of the final broadcast is currently unknown.


The audio on the stream was a form of soundboard audio, potentially a custom mix for the livestream. Audio from crowd mics is mixed in, although it is worth noting that during louder segments like the concert, the crowd is effectively inaudible due to the intensity of the actual music. During sections where the stream shows trailers from the projected video feed, the crowd mics are muted and only the trailer is audible.[12]

All known recordings have a minor degree of compression applied to the audio, particularly with higher frequencies seemingly sounding "harsher" than they should, leading it to be likely this was an artefact of the stream as opposed to the released recordings.


The livestream was hosted on Live Alliance's website, with the URL This in turn used the Akamai content delivery system to deliver the stream to the viewers. After the stream finished, there was a VOD was available from this site for approximately 24 hours after[13].

In addition to the original stream on the site, a fan-run simulcast was set up at the same time, to host a live "reaction" to the stream. This was hosted by SSF1991 of Sonic Paradox on[14]. Unfortunately, despite the high probability contained a VOD of this reaction stream for a long period of time after, there are very few found clips of this either.

In addition, there appears to have been a screen at the back of the venue setup to show video from the stream to the performers on-stage. Unfortunately, it is very rare for a camera to be pointing in this direction so there are only a few shots that show this clearly. An example is the official recap video.

Found media


Some images taken by viewers have been found. Two are of the fan simulcast, while the rest were taken directly of the stream.

Fan-recorded video

These are the only found clips of the stream uploaded by the viewers:

Sonic dancing, with the original audio replaced to be "more appropriate"

Poor quality video of the Q&A, with audio replaced as a joke

Audio of the Crush 40 performance taken from the stream

Recording from the stream of a previously unseen trailer shown at the event - At the end, you can see it fade to one of the stream cameras very briefly.

Recording from the stream of another previously unseen trailer shown at the event

Poor quality video from the stream of the host announcing a new section of the show - taken from the fan-run "simulcast".

Recording from the stream of the presenter (Aaron Webber) introducing a previously unseen trailer shown at the event.

Official media

After the event, SEGA created a short 3-minute recap video, attempting to capture and summarise some key moments of the event[15][16][17]. A significant amount of this recap video is made up of video taken by SEGA's own internal media team, separate from the stream[18]. However, upon some close examination, there are a few clips from the stream featured in this video as well:

  • 1:54 - 2:10 - A clip of the Q&A portion of the show. The positioning of all the angles seen here match exactly with the already detailed specification above.
  • 2:16 - 2:19 - 3 seconds of the Crush 40 performance taken from the stream. The exact positioning of the camera in this shot matches with already found clips, in addition to having a noticeable framerate difference to non-stream footage in the video.

In addition, throughout this video, soundboard audio is consistently used when portions of the event are shown, and it's highly probable that soundboard audio was taken from the stream, suggesting SEGA did at some point have a recording of the full stream. However, SEGA's HQ moved locations two years after this event, resulting in a large staff turnover[19][20], and it is possible that some of their archives, and by extension this recording, may have been lost during that move.

See Also