Adventures In Audio

Bad Audio Diary BAD1: Incredible audio errors in UK government video

This video shows an appalling example of bad audio - a Facebook promotion by the UK government on Brexit (the UK's withdrawal from the European Union).

The level is extremely low, there are compression artefacts, echoes, intermittent noise, and a dull frequency balance.

So what can be done about this? Well nothing now, but the video considers how the problems might have been anticipated.

And all of this came at considerable cost to the UK taxpayer!

Audio Masterclass Course Director David Mellor presents.

Learn more about Audio Masterclass and the Audio Masterclass Music Production and Sound Engineering Course at https://www.audiomasterclass.com

Comments on this video

You can comment on this video at YouTube

Sean Kenny:  Hi David you might also want to point out that the left and right channels are 180 degrees out of phase. Suggesting that one of the 2 mics was inadvertently phase flipped. For sure there are a lot of other 'nasties' going on too as you pointed out, but the flipped phase is likely the biggest contributor to the car crash. :))

Audio Masterclass replies to Sean Kenny: Following my previous reply, I created an out-of-phase recording of speech and compressed it to 48 kbit/s using Apple Compressor. Apart from being out of phase, and slightly degraded due to the low bit rate, it sounds fine. However compressing to MP3 32 kbit/s significantly increases the artefacts. Still not as bad as the Brexit examples though.

Audio Masterclass replies to Sean Kenny: Well spotted. Data compressing out-of-phase audio is not likely to end well and indeed might be the cause of the artefacts. I'll try a few tests and if the results are interesting I'll post a video on the topic. DM

midnight763:  Love reading between the lines πŸ˜‚πŸ˜‚πŸ‘πŸ‘πŸ‘πŸ‘πŸ˜‚πŸ˜‚

TheGurner1:  Bad! Not the good sort of bad either ;-)

credenza1:  I found the audio level of May's voice just about perfect at the start. Perhaps the initial lack of genuine commitment to the intended sonic outcome is a metaphor.

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Monday March 25, 2019

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David Mellor

David Mellor

David Mellor is CEO and Course Director of Audio Masterclass. David has designed courses in audio education and training since 1986 and is the publisher and principal writer of Adventures In Audio.

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