The josephson jecklin disk is a stereo microphone baffle designed to be. There are a number of techniques to do this, including. The original jecklin oss recording system uses a thick plastic disk covered on. Swiss music instrument media retailer and label, established 1895 in zurich. Wireless microphone system, phenyx pro 4channel vhf wireless microphone set with 2 handhelds2 bodypacks2 lapels 2 headset, metal receiver, ideal for church, meeting, conferenceptv2000b by phenyx pro. So using them actually makes sense, you will be more closely approximating what a person would hear. One of the more recent developments is juerg jecklins optimal stereo signal technique. Best value battery operated microphone great deals on. The company began in san jose, california in 1988 and moved to santa cruz in 2000. Introduction a jecklin disk 1 figure 1 is a type of acoustic baffle used in stereo microphone recordings to improve the apparent width and clarity of the stereo soundstage by creating an acoustic shadow between the microphones. It follows the same principles of worldizing, a technique used by film sound designers in which sound is played over loud speaker in a real world location and then rerecorded, taking along all the aspects and characteristics of the real world environment with it. The soundabsorbing separationdisc was 30 cm in diameter and the distance between the microphones was.
The polar pattern of each microphone is only part of the technique. Core sound jecklin disk and schneider disk microphone mounts. A matching pair of small diaphragm omnidirectional microphones is generally used for this technique. Jecklin disc with oktava mk012s with omni capsules 10m back from stage and about 2m above conductors head.
Figure 3 clearly shows the diffraction pattern about the jecklin disk and more importantly the acoustic shadow the jecklin disk casts. They are jecklin float model 2s and they have the most bonkers styling. Introduction sound recording is a powerful medium that has the ability to capture, preserve, and reproduce a musical performance for future audiences. Decca tree brief description of stereo miking technique which uses three microphones double ms for making stereo recordings in a simple manner, applicable also to 5. This video documents my rudimentary studies of how effective the jecklin disk is as compared to a simple ab microphone rig. This is a technique created by the former chief engineer of swiss radio jurg jecklin thats actually a refinement of the baffled microphone technique for stereo initially described by alan blumlein in his 1931 patent on binaural sound. Jecklin is shown in his book with a disk of the same diameter but. The nhk japanese national broadcasting version of the disk extends this covering to include the circumference of the disk as well. The microphones should have ear distance and must be.
Combining the jecklin disk system with new developments in boundary microphone pickup produces the ossii stereo microphone. We have set up a separate forum area to discuss everything related to the coronavirus covid19. A jecklin disk is a soundabsorbing disk placed between two microphones to create an acoustic shadow from one microphone to the other. Call 888sc4gear 8887244327 for sales, service, and support for all of your pro audio needs. A specific type of baffled stereo miking technique based on use of high quality omnidirectional microphones. The resulting two signals can possibly produce a pleasing stereo effect.
And they are now made in germany by a company specializing in refurbishing old. The actual sounds are the same as well, being recordings of birds, followed by a recording of a fox barking. Mbho oss jecklin disk stereo microphone mount dale pro audio. The value in binaural recording lies in enabling curious listeners to. For a little more info on electrostatic headphones checkout this wiki link. Jecklin float electrostatic headphones specifications. Screen shots are the frequency response from the white noise in the end of the clip.
As far as i know there is only 1 new jecklin float headphone but three different power supply units and they are as far as i know still electrostatic headphones like the original model i still have. Improve your stereo recordings with a jecklin disc bobby. One word of warning the mic stand mount is designed to be moved around the disk but is very tight and difficult or impossible to remove without a locking wrench, which might scrape some paint off the mount. Some companies make jecklin inspired discs, but you can rig one up at home. Core sound jecklin disk and schneider disk microphone mounts they look like they would be simple to make. Modify the value in orchestra angle or drag the cyan hash mark. Jecklin is shown in his book with a disk of the same diameter but covered with lambs fleece. Over the years this type of baffle has been dubbed the jecklin disc, and it works on all kinds of sources. My attention was drawn to it by eberhard sengpiels site which is. Feb 11, 2016 jecklin is shown in his book with a disk of the same diameter but covered with lambs fleece.
Inventor jorg jecklin, the former chief sound engineer of swiss radio, was impressed by the spatial qualities of binaural recording but he tried to find ways to overcome the necessity of smalldiaphragm cardioid microphone use. The jecklin disk technique is similar to ab recording, with 2 omnidirectional microphones at 36 cm apart from each other. Os x version 10 of the apple operating system for macintosh computers. Jecklin oss is a definite pita to reproduce correctly in the room results vary according to the type of speaker used, sometimes in a daynight diametrally oposite way same recording, same rooms, different speakers very big differences. This technique uses two omnidirectional microphones spaced 160mm approximately 6 inches apart, separated by an acoustically absorbent flat disc that is 300mm approximately 12 inches across. A jecklin disk with a width of 3cm and a radius of 15cm was introduced to the model, and disk was placed from 2. The second half is how the two microphones are arranged.
Discover over 441 of our best selection of mike toy, children music, funny microphone, kid mic on with topselling mike toy, children music, funny microphone, kid mic brands. Optimum stereo signal recording in a few hours too much acoustic isolation, too many decisions deferred for the mix, too much editing, and not enough commitment to the moment, the space, the mistakes, the excitement, and the humanity of people playing music together. That said, one stereo recording method thats often overlooked and not really wellknown is the jecklin disk. The jecklintype disks supplied by josephson engineering since about 1995 use 25 mm foam. Creating immersive listening experiences with binaural. The foam disc acts like your head and the mics are your ears. This will show you the slice of the source your technique will gather.
Oct 01, 2010 his original baffle is made of a layer of plywood, a layer of mumetal similar to lead and a layer of compressed wood. So a little bit of me showing off but i have just laid my hands on my grandads old electrostatic headphones purchased in the early 80s. Entire books have been written about the many different mic positioning techniques for stereo. Binaural microphone and inherent boost of high frequencies. This microphone mount has come to be called the jecklin disk. Sound engineering pro audio terms audio and sound engineers terms audio words search engine for calculations glossary technique special field music sound recording eberhard sengpiel sound engineering sengspiel ebs sound recording glossary technical pro audio engineering terms web search. Amazon payments american express discover master paypal visa. My attention was drawn to it by eberhard sengpiels site which is unavailable at this moment. The jecklins always had issues with build quality and these appear to be a bit better but they still look like a diy project gone wrong. The following text is reproduced from jurg jecklins 1980s paper microfon aufnahme systeme. Its worth learning a bit about the jecklin disk and how and where to use it, but in the right application it works very well.
Oct 15, 2012 i do use oss or jecklin disk to record most of my non binaural recordings. Jun 28, 2012 for those who are interested in trying the oss jecklin disc there is an excellent article by jorg jecklin on josephsons website explaining in some detail the theory behind his invention. The technique of binaural rerecording is simple, but has not been well established. Early spring peepers cardioid mics wjecklin disk youtube. Below the value of appromately 200 hz, the two microphones record the same. Perhaps the most common baffled technique is the jecklin disk. Jecklin disk and schneider disk microphone mounts core sound.
The oss jecklin disc my favourite tool for stereo recording. Optimum stereo signal recording with the jecklin disk. Oss main stereo pair dpa 4006 with jecklin disk and 18 support microphones rode nt, brauner phantom, audio technica at 3035 fh salzburg mma audio. Oss technique optimum stereo signal utilizes a pair of omnidirectional microphones separated 16. Is part of the science around stereo recording to create a human pov made this simple. This microphone system with a separation baffle between omnidirectional microphones, has been known for years as the jecklin disc disk, which jurg jecklin developed, a swiss sound engineer and manager. By emulating the most important characteristics of human hearing the jecklin disc produces, for the listener, recordings with a remarkable sense of being. It was developed by jurgen jecklin for his stereo microphone technique known as optimal stereo signal oss. The soundabsorbing separationdisc was 30 cm in diameter and the distance between the microphones was 16.
Mar 03, 2015 introduction sound recording is a powerful medium that has the ability to capture, preserve, and reproduce a musical performance for future audiences. Mic capsules should be in the centre of the disc about the same distance apart as your ears. Jecklin disc a specific type of baffled stereo miking technique based on use of high quality omnidirectional microphones. Just wondering if anyone here is familiar with the new definition of juerg jecklins disc.
Wireless microphone system, phenyx pro 4channel vhf wireless microphone set with 2 handhelds2 bodypacks2 lapels 2 headset, metal receiver, ideal for church, meeting, conferenceptv2000b by. A visual guide to stereo recording creative field recording. This construction maybe would work even better than mine because of the mumetal, but my approach was a bit different as i wanted a lighter baffle which could be used as a jecklin disk too while still rendering good isolation results. A sound absorbing jecklin disk of 35 cm is placed in the middle between the two microphones. Josephson engineering makes a wide range of fine condenser microphones for studio, stage and field sound pickup, and audio instrumentation. In either case, the microphone spacing is the same.
You can find jorg jecklins germanlanguage tech paper on the jecklin disk here. See more ideas about school information, information technology and technology. Foam is deteriorating, but still useable depending on who uses it. Just wondering if anyone here is familiar with the new definition of juerg jecklin s disc. The disk makes the apparent separation between the mics much larger than an equivalent ab recording. The deep bass lack was a serious and very obvious limitation compared with either the stax. It resembles the human head and has two microphone capsules built into the ears. One of the more recent developments is juerg jecklins optimal. Jecklin disk wikipedia, the free encyclopedia the new version, which is thirteen and threequarters inches in diameter 35 cm and spaces the mics at fourteen and threesixteenths apart 36 cm. Jecklin disk baffle for recording oss stereo signals optimal stereo signal with 2. Also, i switched the free space for a pair of behringer ecm8000 with a jecklin disk, so you can compare. It was the first complete revision of the operating system since os 9. At some stage the headphones must have been exposed to a flame heat and melted see pictures this should not effect sound.
His original baffle is made of a layer of plywood, a layer of mumetal similar to lead and a layer of compressed wood. This document by jecklin states different dimensions on p. We have replaced the jecklin float electrostatic headphones with the new ergo headphones, which have the same characteristic as the jecklin floats. The present recording technique of electronic music has grown out of the. Stereo microphone baffe per jecklin disk specification. Pull the box at the bottom of this line to modify the spacing between the microphone capsules. The jecklin disk is used with a pair of mbc 603ka 100 dk or mbp 648ka 100 dk microphones. The neumann ku100 is a dummy head microphone used to record in binaural stereo. Its worth learning a bit about the jecklin disk and how and where to use it, but in the right. Observation tool was used in the cases of patient falls sand. Binaural recording wikimili, the best wikipedia reader.
Below the value of approximately 200 hz, the two microphones record the. Jecklin disc recording example 1 by martin mitchell free. For those who are interested in trying the oss jecklin disc there is an excellent article by jorg jecklin on josephsons website explaining in some detail the theory behind his invention. This disc is placed between two microphones in a stereo pair to enhance their sound field. Violin concerto with small symphony orchestra in 400 seat concert hall. But if you stop to think about it, a cardiod microphone, or even better a subcardiod, is closer to the way we hear. Creating immersive listening experiences with binaural recording.
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