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Immersive Audio Solutions

Immersive sound is reproduced in many ways, ranging from personal headphones to multi-channel systems in cinemas or other big venues. Immersive audio can be described as a group of recording- and reproduction formats that involve more than a basic two-channel stereo. Immersive audio encompasses all surround formats.

There are many ways to record immersive audio and most set ups use a standard microphone array.  A microphone array is just a physical arrangement of microphones. The array may consist of individual microphones mounted on one single microphone stand or perhaps on several stands or holders. In some cases, the microphones are built into one single unit.

Setups developed for traditional surround recordings (like 5.1) have proven to work very well. However, adding height to these recordings is interesting as it may also add new dimensions to the perceived experience. In the video below Director of Applied Psychoacoustics Lab at the University of Huddersfield, Dr Hyunkook Lee, is comparing seven different main microphone arrays. The main purpose is to find out what type of perceptual differences there are between the different arrays.

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CORE 4560 Binaural Headset, Normal SPL, Black, MicroDot
4560-OC-B-B00

The 4560 CORE Binaural Headset Microphone is, in its essence, a pair of 4060 CORE Miniature Omnidirectional Microphones that are mounted on two earhooks (as known from the 4266 Flex type of headset). The microphones are a stereo pair; two handpicked 4060s, selected on sensitivity within ±1.5 dB. The actual headset is ergonomically designed to fit comfortably and easily. It adjusts to fit any ear size and head shape while at the same time it mounts securely and is hardly visible. Foam windscreens are supplied with the microphones to secure the position in the ear and to offer some damping of wind noise.

The 4060 CORE Miniature Omnidirectional Microphones in this headset exhibit an exceptionally accurate omnidirectional pattern and therefore do not need to be aimed directly at the sound source to achieve quality pickup. This pattern also makes it less sensitive to handling noise as well as pop and wind noise. These 4060s  handle sound pressure levels up to 134 dB before clipping occurs. This mic is well suited for applications where the sound source is more remote or damped and you need to have a good balance signal versus noise.

Binaural recording is a technique that uses two microphones to create an immersive 3D stereo sound experience for the listener. When correctly accomplished, these recordings allow the listener to hear sounds like they are actually in the same position as the person who did the actual recording.

Binaural recordings differ from more well-known stereo techniques because binaural uses two omnidirectional mics positioned close together (as if in a listeners ears) to replicate the sound pick up of the human ear as close as possible. Stereo on the other hand, use cardioid microphones with a larger space between them.

Online media – including Facebook, Google and others who are making an effort to create more appealing products, including immersive sound could benefit from binaural recording. Film recordists are using binaural techniques to gather content they can use for atmospheric sounds. In addition, podcasts using the binaural technique can provide content that is much more immersive and alive compared to traditional techniques.

The two 4060 Omnidirectional Minature Mics are mounted on a flexible headset, which is ergonomically designed to fit comfortably. The headset adjusts easily to fit any ear size as well as head shape.

 

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d:mension 5100 Mobile 5.1 Surround Mic
5100

The 5100 Mobile Surround Microphone is a completely self-contained plug-and-play solution for 5.1 audio capture. It brings engaging surround ambience to sport events, documentaries and other HDTV productions. This microphone is versatile and can be mounted in many ways:, microphone stand, suspended from the ceiling or via a handgrip. It is lightweight and portable. It can also withstand inclement weather conditions due to its robust nature.

The 5100 includes:

  • Outdoor Cover - OC5100
  • Lemo Multipin to 6x XLR-M cable

The 5100 Mobile Surround Microphone uses five miniature pressure transducers. These transducers have low sensitivity to wind and mechanical noise, low distortion and low frequency response. They also have a large dynamic range. 

The three front microphones in this system are time aligned to eliminate comb filtering. This also ensures frequency consistency when down mixing to stereo or mono. In contrast, the rear microphones, with standard omnidirectional patterns, are optimally spaced from both each other and the front array to simulate the most natural time arrival differences. The end result of DPA’s innovative design approach is a surround atmosphere that is rich, smooth and fully enveloping, great in its coherence, channel separation and localization accuracy. The 5100 Mobile Surround Microphone requires no external signal processing.

This solution is targeted at surround sound recording for film, live, broadcast and studio applications. Using full surround sound is an amazing way to record a symphony. Most orchestras are a self-balancing phenomena – each instrumental part can be heard without the need for additional miking. As well, acoustic reflections and a sense of acoustic space are an important aspect of the sound of an orchestra - just as much as the instruments themselves.

For sports applications, the 5100 is easy to set up. It is a no worry, 5.1-ambience solution that is placed centrally to cover the main camera shot and backed up by the usual spot mics for additional effects.

The 5.1 output of the microphone runs through a multipin Lemo connector. This connector carries all six electronically-balanced channels.

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Surround Kit with 5 x 4006A, Clips, Windscreens in Peli Case
5006A

The 5006A Surround Kit has five carefully factory-matched 4006A Omnidirectional Microphones. Even though the standard tolerances on the 4006A Omnidirectional Microphones are extremely low, the surround match is even closer − within ±0.5 dB.

This is a complete Surround Kit with five carefully factory-matched omnidirectional microphones. Even though the standard tolerances on the 4006A Omnidirectional Microphones are extremely low, the surround match is even closer. The specially selected 4006As are matched within ±0.5 dB on both frequency response and sensitivity from mean of set.

The natural sound, high sensitivity, low noise-floor and extremely linear frequency response from 10 Hz to 20 kHz (±2 dB) of the microphones make the 4006A Omnidirectional Microphones the perfect choice for all AB Stereo, Decca Tree or surround main array recordings. The precise reproduction, total transparency and natural-sounding clarity of 4006A Omnidirectional Microphones will provide you with a lifetime of satisfying listening.

The foam design in the heavy-duty transportation box allows for fast and easy exchange of microphone / accessory inlays.

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Surround Kit with 5 x 4015A, Clips, Windscreens in Peli Case
5015A

The 5015A Surround Kit has five carefully factory-matched 4015 Wide Cardioid Microphones. Even though the standard tolerances on the 4015 Wide Cardioid Microphones are extremely low, the surround match is even closer − within ±1 dB.

This is a complete Surround Kit with five carefully factory-matched 4015 Wide Cardioid Microphones. Even though the standard tolerances on the 4015s  are extremely low, the surround match is even closer.The specially-selected 4015 Wide Cardioid Microphones are matched within ±1 dB on both frequency response and sensitivity from mean of set.

Recording orchestras or other acoustic ensembles sometimes requires a compromise between blending in the room reverberation and a more precise localization. The natural response and dynamic range make this Surround Kit an obvious choice for precise tone quality and wide dynamic range. This is a great solution for AB, Decca Tree or surround main arrays like our Wide Cardioid Surround Array.

The foam design in the heavy-duty transportation box allows for fast and easy exchange of microphone / accessory inlays.

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Surround Kit with 3 x 4006A, 2 x 4011A, Clips, Windscreens i
5006-11A

The 5006-11A Surround Kit combines three 4006A Omnidirectional Microphones and two 4011A Cardioid Microphones, carefully factory-matched within ±1 dB to achieve full precision.

A complete surround kit combining three 4006A Omnidirectional Microphones and two 4011A Cardioid Microphones, carefully factory-matched to achieve full precision.

Even though the standard tolerances onour pencil mics are extremely low, the surround match is even closer. The specially-selected 4006As are matched within ±0.5 dB on both frequency response and sensitivity. The 4011As are matched within ±1 dB.

The natural sound, high sensitivity, low noise-floor and extremely linear frequency response from 10 Hz to 20 kHz (±2 dB) of the microphones make the 4006A Omnidirectional Microphones the perfect choice for all AB Stereo, Decca Tree or surround main array recordings.

The foam design in the heavy-duty transportation box allows for fast and easy exchange of microphone / accessory inlays.

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Surround/Decca Tree Mount
S5

The Surround Mount is a highly versatile and stylish microphone mount. This mount provides extreme flexibility due to its unique building block design. It allows for numerous configurations while providing visual elegance.

Onstage, the mount is hardly visible and completely non-reflective to light. The mount is equally suitable for fixed installations and mobile setups. It can be packed away into the supplied briefcase for easy transportation.

Although compact and lightweight, the Surround Mount is strong and stable. Although the array is optimized for use with microphones in the Pencil Recording Microphones, it accommodates all microphone holders. A broad variety of surround microphone arrays can be set up very neatly.

Arrays like OCT2, Hamasaki Square, Fukada Tree and the DPA specialty – WCSA (Wide Cardioid Surround Array) – are possible with the Surround Mount. Expandability is possible at all times and only your imagination is the limit.

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