Jecklin Disk

Comparison of stereo imaging using a Jecklin disk and two Behringer B5 omnis. The Jecklin disk was invented by a German sound engineer of the same name and provides a near-binaural recording capability while still remaining pleasant when played back with speakers as opposed to headphones.The same microphones, amp, etc are used in the two back to back recordings but the disk is removed. This is a demo of me walking past the apparatus first with the disk installed and then with the disk removed.

Walk by binaural comparison with Jecklin Disk

These two songs are from my final project at SAE. The three piece band (drums, bass and guitar) was recorded only with a Jecklin disc and one more closer mic positioned at the kick drum, which have been delayed to achieve perfect timing. So the song was recorded only with 3 mics, mixed and mastered. Kind of suit that genre too. Love that project.

02. Jecklin Disc Recording Mastered – Song #2

01. Jecklin Disc Recording Mastered – Song #1

Very quiet morning, the back door of our garage is talking in the wind.

Tascam DR05X, 24bit, 48 kHz
230823_0294.wav
2 omnis and a Jecklin Disk
Uploaded as 16bit FLAC.

A Steel Door - 2023/08/23 - Talking in the Wind

"Land of Hope and Glory" performed by Viva Musica as part of the 30th anniversary of St. James' Methodist Church, Pensnett.
Recorded using the K-Micro Silver Bullets on my Jecklin Disk, positioned 3 meters from the choir, 2 meters in height, next to the conductor.

Land Of Hope And Glory

Dawn(ish) chorus 2024-01-28 03:45 to 05:09.

Recorded on a Zoom F3 (internal high pass at 80Hz) using Immersive Soundscape Earsights on a homemade Jecklin Disk.  Normalised then auto noise reduced using Ocenaudio.

51.4866, -0.0690, ~50ft altitude, pointing pretty much south (180º)

Birdnet list (>0.80) at https://rjp.is/birds/240128_006.txt (pretty much just European Robin though)

Dawn(ish) Chorus

Dawn(ish) chorus 2024-02-02 03:44 to 05:17.

Recorded on a Zoom F3 (internal high pass at 80Hz) using Immersive Soundscape Earsights on a homemade Jecklin Disk. Normalised then auto noise reduced using Ocenaudio.

51.4866, -0.0690, ~50ft altitude, pointing pretty much south (180º)

Birdnet list (>0.80) at rjp.is/birds/240202_006.txt (pretty much just European Robin though)

Dawn Chorus 2024-02-02

Bullfogs, clicking crustaceans, fishing coots, and other marsh bird fill the air in the dawn recording in the Sierra Valley March near Beckwourth, California. Downstream  is the headwaters of the Feather River. This riparian area attracts one of the largest stopovers of migrating birds in all of California.

This recording was made during the 2024 Field Recording Workshop of the Nature Sounds Society. This is an experiment with stereo microphones (Sennheiser MKH-8020 on a Jecklin disk baffle) above the water and a center-panned hydrophone in the water.

Sierra Valley Marsh w/hydrophone, June 22, 2024

Recorded early in the morning at Sequoia National Forest at the edge of a woodland meadow.  Recorded with a gain of 50 using a Sound Devices 702 recorder and two AT4022 microphones.    6db of gain added in post.

Sequoia National Forest meadow in the morning

In 2015 I build a Jecklin Disk microphone system. As microphones I used very cheap electret microphone capsules. This recording was made on my balcony, June 2016 using the Jecklin Disk and Olympus LS-5 recorder. Jecklin Disk produces a very binaural recording so headphones are recommended for best effect, which can be quite lifelike.

Jecklin Disk Test.WAV

Dusk in Carman Valley in the northern Sierra Nevada. Recorded using AT4022 mics on a Jecklin Disk. Approximately 8pm on June 19, 2016.

Dusk chorus in Carman Valley on June 18, 2016

This is the sound of a Freight Train in a train yard preparing for its trip out of Richmond, CA.

Freight Train recorded with a Schoeps MK2(pair) and a Jecklin Disk

A quick experiment with recording guitar using a Jecklin Disk, with a pair of Schoeps CMC6/MK2 mics

Jecklin Disk Experiment

The coots are fishing, and the California quail are getting excited in this 8+ minutes of mid-spring dawn chorus at Mississippi Lake in Henry Coe State Park in California. The gentle wind sounds like a constant roar in this recording at a place and time that the loudest sound is under 45 dB-SPL.
This Lo/Ro stereo mixdown was recorded originally in 6-channel surround with surround and height microphones (suitable as a Dolby Atmos bed). Front mics are Sennheiser MKH-8020 on a Jecklin disk, surrounds are AT-4022 omnis, and the 12' high height mic is the Audio Technica BP4025 stereo, pointed up.
This upload has been amplified 36 dB from the original 24-bit recording level, the loudest peaks are 4.5 dB below digital maximum.

Dawn Chorus at Mississippi Lake, 5:33am on May 13, 2017

Amidst the background noise of two busy highways and a small airport, all occupied by vehicles with ineffective mufflers, a coyote chorus erupts in Sierra Valley at 5:17am on June 24, 2017. Toward the end, a Sand Hill Crane “audio-bombs” the scene.

As you'll hear in another clip from the same recording, the Sierra Valley marsh is a noisy place filled with many bird species, livestock, and motor vehicles. But the wildlife diversity in this place makes it hard to pass up as a nature sounds recording site.

This stereo recording was made with a pair of Sennhieiser MKH-8020 omnidirectional microphones, mounted on a Jecklin disk baffle.

Dawn coyote chorus, Sierra Valley, 5:17am on June 24, 2017

Recordist, Dan Dugan, Post Production, John Brenneman. Yuba Pass, CA, June, dawn. AT3032s on Jecklin Disk, Sound Devices 744T, gains 60.5.

9 Yuba Pass Dawn

Testing a small portable jecklin disk with a couple of Usi Pro's/mixpre 3.  The dawn chorus was very quiet but the neighbor's tractor, quantas jet and irrigation pumps.....not so much.  Not a very good recording but this is really only to check the stereo image using the disk.  I thought the stereo was excellent - better than I was expecting from a couple of omni's only a few inches apart.  I originally made a larger disc to place on a mic stand but wanted something more compact so I could fit the whole rig into one bag so I made this to fit into that bag I'm using.  While it's not round, I wonder if I could hear the difference if it was......

Jecklin Test 1

“Senur” first chapter.

In 10th of February 2013 I recorded a concert with Amateur symphony orchestra. 
The program contained a wonderful melody “Senur” composed in four chapters by Sigurður Sævarsson. It was composed for string orchestra and obo. Both the orchestra and the soloist, Guðrún Másdóttir, played it flawless. 
I was pretty happy with the recording result, even though the concert hall (a church) sounded terrible for recording. It has a very harsh sound and difficult peaks in some resonance frequencies. 
Over the orchestra I used a Jecklin disk with a double pair of mics, parallel MKH8020 and MKH20 in 45°+45° (see following picture). 
Close to the soloist was a pair of MKH8040 and far behind in the hall was a pair of SE4400a with spaced Omni (70cm). 
 
Past months I have got a few emails where people ask me for a sound sample with my Jecklin disk. So this is it. Hereby is the first chapter of Senur. The only post work I do for this Soundcloud work out was turning off MKH8020 on the Jecklin disk and the SE4400a far behind in the hall. Then I increase the gain of MKH20 on the Jecklin disk about +8dB

Other mix of this recording and more information can be found here:
http://fieldrecording.net/2013/03/15/senur-first-chapter/

Information about the Jecklin disk:
https://picasaweb.google.com/104187345157190691446/DIYJecklinDisk?authuser=0&feat=directlink

Composer Sigurður Sævarsson:
http://sigurdursaevarsson.com/

Amateur symphony orchestra:
http://www.ahugasinfonia.is/

"Senur" chapter one, with MKH20 on Jecklin disk

Recorded at the approach end of the Reading Air Show with a Jecklin Disk using two Audio-Technica AT4022 microphones and a Sound Devices 702 recorder.  This is a rare opportunity to hear B-29 bomber performing a high speed low-altitude fly-over.  

This is very close to what it must have sounded like to the Allied prisoners of war who were starving at the Omori prison camp in Tokyo, when suddenly a B-29 flew low over the camp.  Many spirits were revived on that day for sure.

Recording levels were set with minimal gain in order to hopefully eliminate any clipping.  The sound is best heard with wide-range monitors turned up slightly.  If the lapels on your shirt flap during the fly-over you have the sound level set about right. 

Rare B-29 Superfortress bomber FiFi performs a high speed low altitude flyover, AT4022, Jecklin disk

Recorded at the approach end of the Reading Air Show, three B-25 mitchell bombers, (Briefing Time)(Yankee Warrior) and (Panchito), perform a low-altitude fly-over.  Recorded with a Jecklin Disk using two Audio-Technica AT4022 microphones and a Sound Devices 702 recorder.  The recording gain was turned down in an effort to avoid clipping.  When listening, you should increase the gain on your system.  Wide-range monitors, good speakers, or headphones are best to realize the feel of the sounds.

Jecklin Disk

Dj bat