This episode is all about acoustics - or more specifically, acoustic treatment.

(But I'm not using acoustic "foam" - there are better-performing, more cost-effective and better-looking alternatives.)

As I said in the first video, I've known all along that the room isn't an ideal shape, and so treatment would be vital to reduce the impact of resonances and reflections on the sound of the monitoring.

This has proven to be even more true than I expected - but the final results have also turned out even better than I'd hoped for, so I'm delighted with the results.

Bryan at GIK Acoustics gave me some great support and advice to get the best results from their products, and in the video I show the difference between my first ideas and his expert advice, and the recommendation we finally settled on.

You can find out how it all worked out in the fourth and final video, where I also show you the gear I've chosen to use - to watch it now, click here.

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[Update - A few people have pointed out that Owens Corning 703 & 705 are rigid fibreglass products rather than the mineral "rock wool" I show in the video. Sorry if this was confusing, I didn't mean to imply they were the same, just that both types of material can be used to make DIY acoustic panels.

One comment on YouTube also made the point that Roxul Rockboard 60 is equivalent to OC 703 and is easier to cut and safer to handle since the fiber in Owens Corning can cause irritation to your hands.]