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Logarithmic Thinking in a Linear World

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WELCOME TO THE NEW HOME OF GAIN11.COM.....

I would personally like to welcome each and everyone of you to the new gain11.com website.  You will notice we have added many new features and we are still in the process of adding more new items as well as relocating countless hours of content.  We are diligently working to make the site more interactive  for all of our members as well as those just visiting.  Please take full advantage of the participatory areas such as the newly added forum and blog.  The more people in the A/V community that actively participate the more valuable of a resource it becomes for you all.  Check back often as we are in the process of launching various contests for free GAIN11 "The Art & Science of Audio & Video" T-shirts, GAIN11 "E=MC²(+/-3db)" T-shirts and other prizes as well. 

So again I welcome you all and I hope you enjoy the site as much as I enjoy creating it.  I look forward to chatting with you all soon!


Jason Levert
Editor in Chief

GAIN11

Powered Monitors Make Me Buzz Minimize

PROBLEM: We are using powered stage monitors and we are experiencing a loud buzz. We’ve switched cables and speakers to no avail. The monitors are fed from the FOH up in the organ loft. Are we picking up noise somewhere along the way?


SOLUTION: The stage and the main equipment location in the organ loft are probably not on the same circuit. This is causing two problems;  (1) with tri-phase power the two locations are not on the same phase meaning they are 120 degrees out of phase with each other and (2) they are not sharing the same ground reference. Solutions are numerous and ranging from a few hundred dollars to several thousand. The ideal solution would be to have an electrician add a dedicated circuit on the stage for the monitors that originates from the same electrical panel as the power for the main equipment location. Other quick fixes to try would be adding high quality isolation transformers between the mixer and the monitor. Jensen Transformers are an excellent choice, cheap transformers tend to saturate at low frequencies causing distortion. In addition to transformers try simply lifting Pin 1 or the shield wire at the input to your monitor. These will probably lessen the noise but more than likely will not get rid of it.

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Alcons Audio Establishes UK Base
NETHERLANDS — Dutch loudspeaker manufacturer Alcons Audio has recently opened a UK base, which will be headed up by Stephen...

Turin Theatre Upgrades with Soundcraft Vi6
ITALY – Teatro Regio di Torino (Turin Royal Theatre), one of Italy’s most famous and prominent opera houses, recently installed...

Yamaha Offers NEXO S12 Line Array Showcase in Atlantic City
ATLANTIC CITY, N.J. – Yamaha Commercial Audio Systems, Inc. has announced that it will offer a NEXO S12 Series Line...
 

Pioneer Display Corp. Does the Hokey Pokey


Pioneer logo
As a follow up to our previous article “Sharp, Sony & Pioneer Join Forces…Pioneer has announced additional plans for future production. Pioneer Corp.’s Board of Directors has approved radical changes in their display business through a massive restructuring. After completion of the 2008 model production is complete all plasma display panel production will cease at the Pioneer Plasma Display Corp. and Pioneer Display Products Corp. After termination of in-house production Pioneer will rely on Matsushita Electric industrial Co., Ltd. (Panasonic) for procurement of plasma display panels beginning in summer of 2009. As a result Pioneer’s plasma display technologies will be integrated into the Panasonic product.

Panasonic logoIn the midst of this carefully choreographed ballet Pioneer has announced the introduction of a new line of KURO plasma displays! To simply quote Pioneer’s promo script the displays boast black levels that are five times deeper than the previous KURO line and are available in both 50” and 60” models. Also included in the new line are various audio options including an auto volume stabilization feature. Most notably is the “Optimum Mode” which simultaneously monitors video and room light conditions and makes adjustments accordingly. At 3.7” inches thick, making it 20% thinner than the previous line.

All of these changes have a far-reaching impact on the fate of the existing Pioneer production facilities. The Pioneer Plasma Display Corp. Shizuoka Plant will live on as an assembly center for display products and also become a product distribution and inspection facility serving the Japanese market. The Display Products Corp. Yamanashi Plant and Plasma Display Corp. Kagoshima Plant are both scheduled to be closed. As mentioned in my earlier article Pioneer’s new LCD TVs will be supplied by Sharp Corp. as early in August 2008 in Europe. As they move forward Pioneer and Sharp will be combining technologies for future LCD TVs for an increasing number of regions. So you may wonder what is the driving force that would lead Pioneer, one of the foremost plasma display manufacturers, to turn its’ display business on its’ head. Well as a result of this plasma hokey pokey Pioneer expects to reduce its display business operating expenses by a meager $143 million in FY2010, ending March 31, 2010 as compared to FY2008.

 
Russ Berger

 

Russ Berger


Courtesy of: linkedin.com & RBDG


Russ Berger-1Russ directs all the firm's activities which involve the design of audio recording, broadcast and television studios, as well as home theater and entertainment facilities. As president of RBDG, Inc., Russ enjoys being involved in every project. His past experience in the studio as musician, engineer and owner gives him unusual insight as a consultant into all aspects and phases of facility design. Russ is active in several professional organizations, and presently serves as President-Elect of the National Council of Acoustical Consultants (NCAC).

Russ has over 2,500 design projects to his credit. National Public Radio headquarters, Whitney Houston's personal studio, Sweetwater, NFL Films headquarters and Sony Music are but a few of his more prominent designs. In recognition of his work, the industry has presented him with eight TEC Awards for technical excellence and creativity in acoustics and studio design. In addition, he has been asked to lecture nationwide on facilities planning, studio and small room acoustics, audio electronics, audio monitoring, and microphone technique. He has also published numerous articles on studio acoustics and the application of computer techniques in the design of acoustic and electroacoustic systems. Russ is one of the original licensees of the TEF measurement system. When time permits, Russ is a cyclist, scuba diver, reader and chef. His favorite vacation - scuba diving with wife Elisa and daughter Danna on a remote island and accompanied by a good book.

While I started out as a physicist (lasers, optics, plasmas, PhD 1993), I have become a computer technologist. More recently, I have been building some web technology to anonymize a user's footprints on the Web, using Linux/Apache servers, Perl and MySQL http://anonyproxy.com). I am an expert Unix/Linux system administrator, but want something meatier to bite into next.
I have over twenty years of experience programming, maintaining, servicing, or administering numerous computer platforms (PC, workstation, server, cluster, and supercomputer). Skilled in various operating systems, and programming  languages. Ten years experience administering Linux servers (using Novell SuSe, Fedora Core, Red Hat, Slackware, and Mandrake distributions). Can manage, plan, and prioritize many tasks simultaneously, including multiple critical issues. Also accomplished at performing detailed mathematical and computational analysis. Strong problem solver and innovative thinker. Good communicator, strong customer relations skills, team player. My personal website: http://www.russberger.netRuss Berger Designed Studio


Russ Berger’s Specialties:
Unix/Linux system administration, Perl scripting, computer security audits; also physics, computational physics, optics/lasers, plasma physics.


Russ Berger’s Experience

Unix/Linux System Administrator
The Kemtah Group
(Privately Held; Information Technology and Services industry)
April 2006 — Present (2 years)
System administration of over 1700 Linux and HPUX workstation and servers. Managed single-login service through NIS, and shared storage using NFS and AFS. Used advanced system administration skills for problem solving, installing and upgrading operating systems, and performed system design to accommodate performance, reliability, security and scalability requirements. Monitored systems for performance problems and resolved them as they occurred. Troubleshooting of down systems to return them to operational status. Managed overall system security.

Owner
Anonyproxy LLC
(Privately Held; Myself Only; Internet industry)
August 2005 — Present (2 years 8 months)
I have created a web site that allows anonymous and private access to the Internet using only a normal browser. My business model is to generate revenue via subscriptions at a lower rate than competitors, while offering better quality of service, more features, and better security.
http://anonyproxy.com

System Administrator
Hewlett-Packard/Synova
(Public Company; 10,001 or more employees; HPQ; Computer & Network Security industry)
January 2004 — September 2005 (1 year 9 months)
Unix System Administration for Hewlett-Packard's corporate IT servers. Responsible for the management of assigned customer's production computer systems, which included installation and upgrade of software, operating system, and hardware, testing of systems before release to production, security audits, resolution of performance issues, ensuring system uptime and dependability. Typical customer environment was enterprise-level web, database, and/or application servers, utilizing several clusters of servers (24x7 uptime required), with SAN storage, various development and test servers -- always in changing configurations as needs required.

System Administrator
Hewlett-Packard/Manpower Professional
(Public Company; 10,001 or more employees; HPQ; Computer & Network Security industry)
February 2001 — September 2003 (2 years 8 months)
Unix System Administrator for Hewlett-Packard's internal systems, providing second level support for over 1000 HPUX servers. Service Level Agreement commitments and customer satisfaction were requirements of all activity.
Resolved customer problems ranging from minor questions to critical business stoppages: diagnosed and made recommendations to field service engineers about hardware failures; troubleshooting performance and configuration issues; networking configuration changes or troubleshooting of problems; disk space clean-up and LVM file system creation or extension; user account creation and modifications; diagnosed causes of software failures or operating system panics; managed to resolution critical system outages requiring coordination of various resources, quickly planning courses of action, and maintaining communications amongst customer and services personnel. Perl scripting for system administration.

Technical Account Manager
Compaq Computer Corporation
(Public Company; 10,001 or more employees; HPQ; Computer & Network Security industry)
January 1997 — January 2001 (4 years 1 month)
Managed technical support of Unix-based servers for several business critical customers, totaling over 150 Compaq AlphaServers and associated storage systems. These customers paid in-total about $3,000,000 per year for uplifted support, and I was the focal point to resolve all technical problems to customer satisfaction. Typical customer system was: multiprocessor AlphaServers in a TruCluster, or (in one case) 128 nodes in a supercomputer cluster (AlphaServer SC), large storage capacity, directly attached, or in a SAN via fibrechannel, storage typically in RAID arrays in separate cabinets.
Consulted or resolved issues for customers involving: operating system or other software package installations and upgrades, failure analysis and problem resolution; troubleshooting of performance and configuration issues, diagnosis of hardware or software failures, and operating system panics; coordination of activities amongst experts and other resources, and reporting of status to customers.

Postdoctoral Staff
Lawrence Livermore National Laboratory
(Government Agency; 5001-10,000 employees; Information Technology and Services industry)
October 1993 — October 1996 (3 years 1 month)
Developed, tested, and implemented application codes in FORTRAN and C to computationally simulate physical phenomena pertaining to plasma devices for industrial partners. Worked on many flavors of UNIX: SunOS, HPUX, IRIX, AIX, and Linux. Developed or applied various numerical methods. Wrote csh, sed, awk, and Tcl/Tk scripts to manage input and output data, and control processes. Maintained code versions using RCS tools.

Predoctoral Research Associate
University of Washington
(Educational Institution; 1001-5000 employees; Research industry)
March 1988 — March 1993 (5 years 1 month)
Independently learned and applied advanced numerical techniques to computer simulation of plasmas for use in magnetic fusion devices. Managed program to modify a 5000 line FORTRAN code to include both ionized and neutral fluids and their interactions, and compare computer simulations with experimental results. Developed code on Cray supercomputers running Unicos (UNIX) accessed via Internet. Analyzed numerical data from Cray computers and experimental data from local VAX/VMS computer using IDL interpreted language and graphics package. Employed UNIX SCCS tools to update, document changes, and maintain large computer codes.

Staff Scientist
Spectra Technology, Inc.
(Privately Held; 201-500 employees; Defense & Space industry)
June 1985 — March 1988 (2 years 10 months)
Developed mathematical models of various laser and optical systems. Created computer codes to simulate light beam propagation using fast Fourier transform methods; managed program to investigate a novel electron acceleration concept using lasers; calculated means to reduce or eliminate optical aberrations; magnet design; developed or applied various numerical methods.
Russ Berger’s Education
• University of Washington
PhD, Physics, 1978 — 1993
• University of Wisconsin-Madison
Applied Math, Engineering, Physics 1974 — 1977

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