Category Archives: IR

Durie Hill recording

Durie Hill Tunnel IR

Recording balloon pops at Durie Tunnel, Whanganui – see earlier post
Excuse the wobbly cam – I had my little Sony a6300 hanging around my neck…
I’ll revisit this location and another much larger complex of tunnels to record sweeps for an eventual HISSandaROAR IR Library release…

 

 

Zingy!

I visited Durie Hill in Whanganui NZ which has this 213 metre long tunnel, with a vertical escalator/lift at the end, which takes you up to a panoramic viewpoint…

On first visit yesterday, performing handclaps was unreal as there is actually a flat wall at the end of the tunnel – the elevator entrance is around a corner… So a clap excites the verb in the tunnel, then a huge slap echo bounces back and excites the tunnel verb again! Depending where you stand when you make a sound, you can vary the time until the slap delay occurs & it got quite ‘zingy’ sounding & almost sounded like a ricochet at times…

This morning I went & got some balloons – I had my starter pistol in the car, but this is a public place… and I wasn’t keen for a Police armed offenders callout… Will see if I can deconvolve it into an IR…

Note to self: in future always have a pack of balloons in my recorder bag. The SPL and impulse from a ballon pop in such a confined space was VERY effective!

 

 

Echo Point

This is a location called Echo Point – when I first visited here 15 years ago, there was a sign saying ‘ECHO POINT – startling echo heard here!’
The next time the sign was gone and I wasn’t 100% sure I was in the right spot, so this time I was determined… The gravel track into the estuary is so people can launch their boats into that tidal stream (its part of a massive estuary)
I recorded hand claps and also Hyoshigi and they triggered the echos a bit but I also had a starter pistol with me and fired 12 shots at 2 distances, and the echos almost ripple/peel like thunder!
Recordered 32/192 MixPre10 with 8 channels: 8040×2, 8020×2, 70×2 and CUX100kx2, can’t wait to process & compare IRs!

This is from 15 years ago, recording with SD722 and Sanken CSS% stereo mic:

Echo Point, Takaka