::Image by Claudia Uribe::

The New World Center is designed to technologically and architecturally support a new way of thinking about symphonic music. Visionary artistic director, Michael Tilson Thomas, conceived the idea of a laboratory for the way music is taught, performed and experienced. The New World Center embodies this vision, breaking boundaries and creating new levels of accessibility to symphonic music.  

Everything about the building bends the rules.  From the video art and live concerts projected in high definition onto the large exterior wall to the systems designed to support real-time collaborations between musicians in Miami Beach and anyplace else in the world, New World Center is the first concert hall to think as the digital world thinks—without regard to boundaries and geography.

New World Center utilizes Internet2—an advanced networking consortium led by the research and education community—to access a high-bandwidth, low-latency internet connection that is not possible over the current business-grade Internet.  This technology allows the New World Symphony to perform with orchestras in other cities, connect students with master-teachers and provide for interaction with composers in other countries.

Outside of the building is a new 2.5-acre public park designed by West 8. A half acre creates the SoundScape area--which allows outside visitors to experience live, free “wallcasts” of select events throughout the season.  

To read more on the technical aspects of the project, follow this link to our technical piece on the project.

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While there are some exciting things on the horizon in terms of what technology makes possible, there are some cultural shifts that are driving the way technology will be used in the future.

Breaking boundaries to create envelopment.

While many arts groups, schools and churches currently use technology to highlight what is happening on the platform, there is a shift to using technology to create environments that envelop.  Surround sound, scenic projection, interactive devices and color change LED’s all break the boundary between what is happening on-stage to what is happening in the seating areas and in some cases break the boundaries of the walls of the facility itself.

Shift from program to user-defined experience.

The digital world offers the ability to customize.  Rather than linear experiences that have a predetermined beginning, middle and end, the digital world allows capacity to hack, customize and modify.  Users select hyperlinks to follow things that interest them creating a non-linear, highly customized experience. Look for this desire to create a user-defined experience to influence the way programs are structured and the technology that supports them.

Shift from presentational to participatory.

Presentational rooms focus on one direction of communication–from the platform out.  Participatory rooms support communication from all directions.  This may be through handheld devices, bi-directional digital communication beyond the walls of the room, or it may mean a completely decentralized room where the experience is created in a collaborative fashion.

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In our industry, delivering great design solutions is the ticket for entry to join the ranks of the big firms. Anything less and you won’t be invited to work on the significant projects—at least not more than once anyway.

The differentiation comes in how those design solutions are delivered.

We live in a world where technology is fueling collaboration at higher speeds than ever before possible. Hierarchical structures (“command and control” as Thomas Friedman aptly put it) are giving way to “connect and collaborate” structures. The goal is no longer wrapping expertise in reports. No one has time to read them.  Instead solutions have to be developed in groups—the only way to get them to the point of action rather than having them languish on a shelf.

Many designers will tell you (off the record) that one of the biggest death-knolls for a project is circular decision making by the client. Design fees that should go to brighter and brighter innovation instead get wasted visiting and revisiting the same decisions over-and-over. And while in some industry circles you will hear people grousing about the clients, in actuality it is our—the designer’s—fault.  Current industry processes don’t allow for real-time design decisions, and engineers rarely develop the people skills needed to lead groups in identifying which decisions are important to make. 

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Acoustically our challenge was to address the wide diversity of music education and performance in the Music School. And with a dome as part of the original design--this was no small problem.  Domes are notorious for their acoustical problems of focusing and whispering gallery effects.  We developed a dome diffuser which works on the same acoustic principal as balcony fronts in an opera house -- by scattering sound from the edges of a reflective panel.

Consider the typical horseshoe shape of an Italian opera house: if the balcony fronts were only reflective, there would be an uncomfortable focus of sound in the center of the main floor....but there isn't.  And the reason there isn't is that the sound waves are scattered by the edges of the balcony -- so to the listener the scattered sound appears to come from all along these curved edges and not from a mirror-image of the source.  Both in the opera house and in this dome, the scattering is not just a scattering in space: it is a spreading in time as the reflected and scattered energy travels to the listener from progressively more distant edges.  For this dome, our studies showed that the reflected and scattered sound would arrive at the listener over a period 30ms or more -- rather than all at once as would happen with an untreated dome.

In our design, we were not relying solely on edge-diffraction for the acoustical treatment.  In addition, the angle of the "petals" of the dome is selected to direct the sound to focus in the upper part of the room well above the occupied zone. Fifty-percent of the sound is directed to pass through through the gaps between petals to be absorbed behind the dome. This absorption of the sound helps control the loudness of the orchestra in this rehearsal room while the scattering helps the musicians hear one another.

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We all have activities that we enjoy doing outside our daily work routine.  Some may be related to what we do professionally and others not at all.  Yet sometimes there is an activity that combines your talents and skills, provides meaning and value and you simply love to do it.  This is the case for Vance Breshears – Principal in our San Diego office.  Vance currently serves as a Search and Rescue Volunteer with the San Diego County Sheriff’s Department.  For the past 2 years Vance has spent many weekends training with the technical rescue team. This team of dedicated volunteers is primarily responsible for all search and rescue missions involving lost or stranded persons within the unincorporated areas of the County and other local jurisdictions. The team is also trained as Disaster Service Workers.

Over the years, the Sheriff’s SAR Detail has grown tremendously. Currently, the organization has over 200 volunteers that contribute countless hours of their personal time. In excess of 20,000 man-hours and 250,000 miles in their privately owned vehicles are donated each year. In dollars and cents, this adds up to saving the county of San Diego $425,000 annually. Here at Acoustics Dimensions we are proud to have Vance serve as part of this organization.

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It is rare that a building takes over 100 years to finally "top off," but the new Bramall Music Building did just that this week completing the crescent of buildings at the University of Birmingham. As part of a larger project funded by philanthropist, Andrew Carnegie, the project paused when money ran out before the final building was built. But now, over 100 years later, the final building in the redbrick crescent takes its home.

Acoustic Dimensions is working with Glenn Howells Architects on the project which houses a 450-seat auditorium, a domed rehearsal room, music studios, offices and teaching spaces to support the University’s strong music program. 

While Glenn Howells Architects are known for their innovation in modern architecture, in this case they followed the intent of the other buildings in the crescent which were designed by Sir Aston Webb, who served as President of the Royal Academy from 1919 to 1924.

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Collaborative Tech Systems Design Workshop from Acoustic Dimensions on Vimeo.

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In building construction, topping out occurs when the last beam is placed at the top of a building. For significant projects, a topping out ceremony is often held to commemorate the event. 

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The Royal Opera House Muscat is a new venue which opened this week dedicated to the diverse artistic and cultural expressions from the Sultanate, the region, and the world.  The design for the Opera Hall was a collaboration between a UK-based design team—including Acoustic Dimensions and architects WATG—and the in-house interior designers of the Royal Court of Oman.  Although the building is called an opera house, it transforms into a classical concert hall and into a world-class organ recital hall.  It reflects the model of the early European concert halls and opera houses but with a rich style that embodies the culture and history of Oman.

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Nicholas Edwards of Acoustic Dimensions is in Oman this week for the opening of the 1000-seat Royal Opera House in Muscat.

Established by Royal Decree, Royal Opera House Muscat is a beautiful new venue dedicated to the diverse artistic and cultural expressions from the Sultanate, the region, and the world.  As the acoustician working on the project, Nick was struck many times by the blend in the architecture of the old world history of Oman and the modern capacity to support world-class productions.

The Royal Opera House Muscat is made astonishingly unique with richly detailed carved stone and wood finishes in a sophisticated interior which both equips it in its mission to embody Oman’s cultural heritage and makes it a gem of artistic engagement. Oman realizes the Royal Directives to broaden people’s participation in cultural life.

The design for the Opera Hall was a collaboration between a UK-based design team—including Acoustic Dimensions and architects WATG—and the in-house interior designers of the Royal Court of Oman.  Although the building is called an opera house, it actually transforms into a classical concert hall and into a world-class organ recital hall.  It reflects the model of the early European concert halls and opera houses.

A reverberation chamber is included to support the acoustics for the pipe organ and adjustable acoustic elements are concealed behind elaborately carved screens to transform the acoustics for amplified sound.

Opening performances in the Opera House include Plácido Domingo, Renée Fleming, Yo-Yo Ma, American Ballet Theatre, and the Mariinsky Ballet with future seasons including performances that highlight Omani art, as well as collaborations between leading Arab, Indian, Asian, African and Western artists.

As Michael Kaiser wrote in the Huffington Post about the project, “Do not be surprised if a decade from now some of the most interesting arts projects in the world are emanating from a nation that many of us could not identify on the map.”

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One of the things about designing spaces for live performance is that it give you an appreciation of the power of art. 

This summer, Acoustic Dimensions, had the privilege of hosting the Global Design Alliance at our offices in Dallas.  As part of the experience, we invited the participants to spend an evening at Theatre166—one of our projects—immersed in music, video, light and art.  David Rodriguez created a painting live during the event.  It was amazing to watch a piece of plywood transform into a painting about the joy of light and music in the course of two hours.

Even better is that the piece now hangs in our Dallas offices as a reminder not only of the event, but of why we do what we do.

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Note: This post is part 3 of a 3 part series and is an excerpt from an article by Vance Breshears in the August 2011 issue of Technologies for Worship Magazine. The full article can be at http://bluetoad.com/publication/?m=1284&l=1

In our previous post we talked about stage layout as a part of the live sound isolation process.  Remember, to improve isolation, it is important to start at the end and work backwards.  As a listener, what is the experience that you hear from the sound systems in a live venue?  What do you hear on a live recorded track?  The listening experience definitely includes factors such as the nature of the speaker system and room acoustics.  But if both those factors are optimized, then how can the experience be improved?  And when it comes to a recording, what are some typical issues that can be easily resolved?  One problem comes when you hear more of any particular instrument or vocal sound than you want.

Today in this last post we will discuss microphone technique.

Microphone technique

When it comes to microphone selection and placement, there are generally two options:  close-mic’ing and area-mic’ing.  Close-mic’ing would be using a clip-on microphone on a string, brass or woodwind instrument while area-mic’ing would be using a microphone further away on a mic stand.

Now close-mic’ing is not the “fix-all” ideal approach in every application, especially concert applications and live recordings.  But most churches that combine full rhythm sections and praise teams with an orchestra can find a much greater gain before feedback by close-mic’ing all acoustic instruments. 

This is where we can see the application of the inverse square law.  For example, instead of mic’ing two or three violins with one overhead or area-mic, an individual clip-on mic for each instrument can increase the gain before feedback by far more than the 6dB you find in the inverse square law.  This same idea can work for almost the entire orchestra.  The downside to this approach is the cost.  If you have already started adding up the mic count for a large group, it can quickly get out of control.  Along with the number microphones you need a substantial mix console to handle the input count. 

Keeping that in mind there may be some compromises that need to be made, it might work to pick a few of the first chair players from each section and close-mic them while area-mic’ing the others.  None of these ideas are ironclad.  Try different things and see what you get. 

Other beneficial techniques might include the use of an instrument preamp, direct box input, or even pickups instead of a microphone, and by using cardiod microphones instead of omnidirectional microphones whenever you can.  And, of course, if you have them available, experiment with the use of gates in the dynamics section of your digital console.  The simple use of gates in your mix can make a tremendous difference in cleaning up the sound quality.

Summary

For both live and recording mixes, in order to improve isolation between instruments, it is helpful to think in terms of the three methods for improving the situation: physical isolation, stage layout and microphone selection and technique.  Look at any options you might have with each of these and you’re sure to find some alternatives to ways to make improvements.

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Note: This post is an excerpt from an article by Vance Breshears in the August 2011 issue of Technologies for Worship Magazine. The full article can be at http://bluetoad.com/publication/?m=1284&l=1

In our last post we talked about physical isolation as a part of the live sound isolation process.  Remember, to improve isolation, it is important to start at the end and work backwards.  As a listener, what is the experience that you hear from the sound systems in a live venue?  What do you hear on a live recorded track?  The listening experience definitely includes factors such as the nature of the speaker system and room acoustics.  But if both those factors are optimized, then how can the experience be improved?  And when it comes to a recording, what are some typical issues that can be easily resolved?  One problem comes when you hear more of any particular instrument or vocal sound than you want.

Today we will discuss stage layout.

Stage Layout

There are number of isolation issues that can be solved by a change to the stage layout.  Again with acoustic drums, their location and orientation in keeping them isolated from other mics can dramatically help.  Now it is not always easy to accomplish this.  Small stages can really limit the flexibility for changing the layout.  But unique ideas can be developed if you are creative in looking for options for the physical location of the drums and other instruments.

Other instruments can create significant volume issues as well.  Guitar amps are at the top of this list.  One option to look into is moving the amps off stage and out of the performance space and using a microphone at the amplifier.  Another option could be to build isolation boxes that are lined with absorption material to contain the acoustic energy from the amp.  Both these two options can work extremely well since it allows the player to run his/her amp at their preferred level to achieve the desired tone. 

It is not optimal to have a loud acoustic instrument next to a sensitive instrument microphone.  For example, an acoustic drum kit directly adjacent to an acoustic guitar with a condenser microphone will most certainly have problems.  There will be a lot of drum sound in that microphone making it difficult to get a good mix.  If the goal is to get a specific sound out of that guitar, it may be wise to just move their location further away from the drums to a more controlled area of the stage

Another issue is monitor speakers.  These speakers can produce excessive sound energy on the stage that will be picked up by the various instrument and vocal microphones as well as excessive sound energy out into the house adding to the background noise level.  The preferred solution is to move monitors closer to the musicians (raised up on a box), orient monitors facing towards an absorptive surface, and if possible, to turn them down.  Of course, one of the preferred ways to reduce stage monitor noise is to transition to in-ears, personal monitors, headphones.  While not always practical or readily accepted by all musicians, these devices will provide some of the best sound isolation and eliminate monitor specific issues.

Summary

For both live and recording mixes, in order to improve isolation between instruments, it is helpful to think in terms of the three methods for improving the situation: physical isolation, stage layout and microphone selection and technique.  Look at any options you might have with each of these and you’re sure to find some alternatives to ways to make improvements.

Note: This is part 2 of a 3 part series.

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Note: This post is an excerpt from an article by Vance Breshears in the August 2011 issue of Technologies for Worship Magazine. The full article can be at http://bluetoad.com/publication/?m=1284&l=1

Live Sound.  Those words alone can evoke nightmares of past mixes that one could only hope to forget.  Anyone who mixes sound knows that things can get out of control very quickly.  It is easy to throw up some microphones, get a mix going and get caught up in chasing levels while trying to sort through the sonic mess. 

There are a number of techniques that work together in creating a great mix, but we want to focus on one, sometimes overlooked issue of isolation between instruments.  The challenge can arise with either a live mix or when producing a recording or broadcast mix.  The problem of bleed from one instrument into an adjacent instrument’s microphone can limit the amount of control you can have and reduce your ability to clearly define the mix.  While it is a process that requires some imagination and hard work, the idea that a good stage layout, some well-placed absorption or isolation materials and proper microphone technique can radically change the way your mix glues itself together.

Identifying the Issues

To improve isolation, it is important to start at the end and work backwards.  As a listener, what is the experience that you hear from the sound systems in a live venue?  What do you hear on a live recorded track?  The listening experience definitely includes factors such as the nature of the speaker system and room acoustics.  But if both those factors are optimized, then how can the experience be improved?  And when it comes to a recording, what are some typical issues that can be easily resolved?  One problem comes when you hear more of any particular instrument or vocal sound than you want.

This article will address physical isolation, stage layout and microphone technique.

A Little Technical Background

Pardon the nerd-speak for a minute, but a technical principle may help in explaining why stage layout and microphone placement can help.  It is the principle of the inverse square law.  It might sound complicated to some, but it is a primary concept in the field of sound that can help in understanding the distance and sound level relationship between instruments, vocals and microphones.  The inverse square law states that for every doubling of distance there is a 6dB gain or loss in sound pressure.  This applies to everything “audio.”  For example if you stand 10 feet in front of a loudspeaker that is playing music at 90dBA, and you then move back another 10 feet, the sound pressure will be approximately 84dBA.  This same idea relates to how sound is picked up by a microphone.

Physical isolation

Loud instruments, most notably acoustic drums, are one of the biggest challenges to sound isolation.  Hearing the drums coming through choir microphones, for example, is often a common challenge. This is where a drum enclosure can help.  Now there is a long list of pros and cons for using a drum enclosure and both sides of the issue are hotly debated.  But for many venues there just aren’t any better options if you want to control an acoustic drum set on the stage.  Then again, there is always a hope that you can find a drummer who plays with control and doesn’t overpower the entire stage.

In switching music styles for a moment let’s look at the layout of an orchestra.  All horn instruments (and musicians) are hard to control, but trumpets and trombones can be especially problematic.  The main problem comes when you have other mics across the stage for strings and woodwinds.  In this type of application, stage baffles can be utilized to provide acoustic isolation.  These baffles are usually lined on the backside with some kind of absorption material.  They aid in isolating the horn sound from the other mics as well as into the audience and performance space.

When it comes to the architectural finishes on the stage, sound absorbing products including materials on the floor, walls and ceiling are all part of the equation.  Area rugs or carpeting on the floor, acoustic panels or drapes on the stage walls, absorption on the ceiling or absorptive clouds suspended from the ceiling can all help to control the sound in the stage area.  Of course, the use of absorptive materials needs to be weighed against other acoustic requirements and aesthetic considerations.  For example, if you have a choir on stage that you want to be able to hear in the main seating area, you’ll likely want reflective materials on the floor where they are standing and on the wall behind them.  These reflective surfaces will help them to hear each other as well as project the sound out into the room.  But between absorption and reflective surfaces, it’s all a balancing act.

Note: This is a 3 part series – Part 2 will be posted next week.

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Innovation is one of AD-NY’s main areas of focus and applauds the hard work of Programming summer intern, Jack Holland in developing two proprietary tools the office utilizes on a regular basis.  “Jack’s contributions have been invaluable over the three summers he’s been here,” expresses AD CIO Paul Sawyer, “his technical genius has greatly improved our efficiencies and enhanced the productivity of almost every employee in the NY office”.  Jack’s ongoing efforts with our ADPMA program helps the firm track project milestones, deliverables and receivables as well as generates valuable performance data on projects. This information output becomes utilized for staff training and development in honing and fine-tuning service and deliverable quality.  Our BAKI application is another tool which harvests data from different software tools and integrates them into dynamic platforms that allow consultants to generate accurate reports – fast.  Jack starts his junior year at Colgate this fall. 

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AD-NY extends hearty thanks and best wishes to summer intern Nick Shirley.  Nick, spent the summer lending a hand in the field and while in the office championed development of an innovative 3-D modeling tool for performing art spaces.  Nick’s help drastically shortens the time to process acoustic-related data and allows output to be presented in an attractive and user-friendly interface.  Now, AD clients have a quick way to see and hear how specific design choices affect the acoustic environment of spaces such as rehearsal room and concert halls.  Nick is entering his senior year at the University of Rochester.

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David Kahn of Acoustic Dimensions is part of the presenting team for an exciting event coming up on Friday, September 23 in Winnipeg Canada.  We extend a welcome to the Acoustic Dimensions network to be part of a lively discussion and demonstration of technology and its application in keeping performing arts centers relevant in meeting the growing sophistication of audience expectations.  There is no fee to be part of this forum of peers.  This topic particularly hits home as Centennial Hall, the event host, anticipates major capital improvements to renovate its facility for its 50th birthday in 2018.

If you would like to attend this meeting & demonstration please let us know.

Contact Kirsten Haas before or on September 19^th; khaas@ad-ny.com 914-212-1300 x27

A limited number of complimentary concert seats are available for The Winnipeg Symphony Orchestra’s evening performance.  Please let us know how many ticket you would like when responding to this invitation.

Invitation_CentennialConcertHall_23Sept2011Abstract.pdf Download this file

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