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In This Section
Journal Forum
A Meta-Analysis of High Resolution Audio Perceptual Evaluation - June 2016
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Synthetic Reverberator - January 1960
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Sound Board: High-Resolution Audio - October 2015
4 comments
AES E-Library
A Loudspeaker System with Large Area Diaphragm and Ultra Thin Enclosure (Audio Flat Panel)
A loudspeaker system with a large area (one square meter) and ultra thin enclosure (6 cm depth) has been developed. The system is composed of 4-way speakers including a pair of woofers, whose diaphragm dimensions are 78x28 cm each. To avoid a reduction in the sound pressure level of the low frequency range in wall mounting, a new type of enclosure (called twin-cabinet) which has an open and closed area for one diaphragm is employed. The four voice coils are applied to drive the woofer diaphragm as a result of the vibration analysis and acoustic field using FEM based on the acoustic load difference between the open and closed areas. The flat diaphragm consists of a five-layer structure, having a high mechanical loss owing to the Chitin reinforced pulp sheet used as a surface material.
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text:
Scientist looking up at weather balloon
Credit: Michael Blann
Creative #: 82770172
License type: Royalty-freeRoyalty-free pricing is based solely on the size of the product you need, not the specific use. You don't have to pay any additional royalties on a use-by-use basis. Once you license a royalty-free product, you may use it multiple times for multiple projects without paying additional fees. (Pornographic, defamatory, libelous or otherwise unlawful use of any image is, of course, prohibited.)
Collection: DigitalVision
Release info: Model released
- 40-44 Years,
- Achievement,
- Adults Only,
- Arms Raised,
- Connection,
- Front View,
- Full Length,
- Head Back,
- Holding,
- Horizontal,
- Human Arm,
- Human Body Part,
- Human Limb,
- Indoors,
- Inflation,
- Lab Coat,
- Laboratory,
- Limb,
- Looking Up,
- Mature Adult,
- Mid-Air,
- One Man Only,
- One Mature Man Only,
- One Person,
- People,
- Photography,
- Progress,
- Red,
- Research,
- Science,
- Scientific Experiment,
- Scientist,
- Standing,
- Success,
- Weather Balloon,
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Scientist Looking Up At Weather Balloon Stock Photo40-44 Years,Achievement,Adults Only,Arms Raised,Connection,Front View,Full Length,Head Back,Holding,Horizontal,Human Arm,Human Body Part,Human Limb,Indoors,Inflation,Lab Coat,Laboratory,Limb,Looking Up,Mature Adult,Mid-Air,One Man Only,One Mature Man Only,One Person,People,Photography,Progress,Red,Research,Science,Scientific Experiment,Scientist,Standing,Success,UK,Weather BalloonPhotographer Michael BlannCollection: DigitalVision Michael Blann

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Patrick deWitt, author of The Sisters Brothers, SFPL's On the Same Page pick for January/February 2013 will be in conversation with SF author Joshua Mohr.
Book signing afterwards. Book sales by Readers Books.
Upcoming Events
- Not So Different: Finding Human Nature in Animals
- Thursday, July 28, 2016, 5:30 pmMain Library, Koret Auditorium
- We're All Terminal
- Tuesday, August 2, 2016, 6:00 pmMain Library, Koret Auditorium
- Gordon Edgar: aka the cheese guy
- Wednesday, August 3, 2016, 6:00 pmMain Library, Learning Studio


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THERE HAVE BEEN many siblings throughout history who have played the same sport, but it is rare to see two sisters playing side-by-side at the Division I level.
Oreland, Pa., natives and sisters Amy and Kelly Cross could not be happier to be teammates and midfielders on Syracuse's women's lacrosse team.
Amy, a junior, and Kelly, a freshman, have both played a large part in the team's success, helping the Orange (18-3) advance to their second straight Final Four and the team's fourth appearance since 2008.
Fifth-seeded Syracuse plays top-seed Maryland (21-0) tonight at 7:30 in the second semifinal at Villanova Stadium. Second-seeded Northwestern plays third-seeded North Carolina in the first game. The semifinal winners will meet in Sunday's national championship game.


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The Cape May County Historical & Genealogical Society presented its annual Heritage Award to John and Betsy Way, of Wildwood Crest, for their preservation of the Palmer Way House, in which they live, and Joan Berkey and husband Scott Smith for their preservation of The Thomas Ludlam Jr. House in Dennis Township.
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Big data and data science is not just for good guys. If properly leveraged, it also provides competitive advantages for criminals, over their competitors, or to avoid detection.
Traditional Botnets (used for spam, phishing and other crimes) require a large network of infected machines to work. With better data science capable of identifying these zombie machines and shutting them down, spammers have found a new solution. This new solution is also less illegal as it relies on real email accounts that they own.
So how do they do it on a large scale? They open millions of accounts on Gmail, Yahoo and especially Hotmail. To open these accounts, they use automated web robots deployed in an highly distributed architecture, possibly using a traditional Botnet.
I know this because they actually resell these accounts. Once you have purchased 10,000 of these verified Yahoo email accounts for $100 on Bulkaccounts.net, you receive the list of logins/passwords in a spreadsheet, and now you can start sending your spam. You will need another web robot to log on automatically on all these accounts, compose a message and then get it sent out - but it's easy to find a hacker working remotely oversea and paid via Paypal. I'm assuming that after a few hundred messages per account, these Yahoo accounts will be terminated, but in the meanwhile, they have offered the criminal a possibility to massively deliver his payload - typically spam messages with links to get your computer infected, turned into a bot, or get your personal info stolen.


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The Satin dust ruffle by Bella Notte Linens is a timeless bed skirt that will work with virtually any other collection from this famous American bedding company. This gathered dust ruffle has a 22-inch drop and comes in 3 panels with t-pins to make them fit any height bed you might have. The silky sheen of Bella Notte's Satin collection is irresistible and will add a luxurious quality to your beautiful bedroom decor. Choose from Full/Queen or Cal. King/Eastern King sizes.
Available in 2 sizes:
Futher Details:
We are an easy care luxury line with products that can be laundered in your own home. Please read and follow the care label attached to each item for best results. Bella Notte Linens and The Garden Gates are not responsible for replacement of products when care instructions are not followed.
General Instructions:
Separate fabrics into light and dark colors. Wash in cold water on gentle cycle. We recommend The Laundress Delicate Wash. Dry on low heat. Do not over-dry. Do not dry clean. Do not use bleach. Do not use stain removers. Please avoid overloading your washing machine as oversized loads may cause excess friction on your delicate Bella Notte product.
Fabric Care for our Silk Blends ~ Celeste, Loulah, Silk Velvet Embroidered, Silk Velvet Quilted, Sophia, & Valentina:
Fabric Care for Olivia (100% Cotton Embroidery on 100% Nylon Point d'Esprit):
Fabric Care for Linen Whisper (100% Linen):
•Cosmetic products containing peroxide cause orange spots on fabric
•Direct and indirect sunlight may cause fading. Please refer to our "Helpful How-Tos" for best practices in preventing fading.
Care for Bella Notte inserts: Dry clean only.
Bella Notte Linens is an excellent choice for your personal bedding, it is truly special. Each of their pieces is made to order and this process takes a bit of time. Please allow 6-8 weeks from the time you place your order until it is complete in production. This time frame does not include shipping time frame. Since each piece is made to order these are considered custom made and it is a final sale.
We are happy to help you create your perfect bedroom retreat. For all your design and bedding questions contact us via chat, email or phone. 877-780-6699


text: National Oilwell Varco Another stock that's just starting to breakout today is oil well services and equipment player National Oilwell Varco ( NOV), a worldwide provider of equipment and components used in oil and gas drilling and production operations, oilfield services, and supply chain integration services to the upstream oil and gas industry. This stock is off to a strong start in 2012, with shares up over 23%. If you take a look at the chart for National-Oilwell Varco, you'll notice that this stock has been uptrending nicely for the past six months, with shares making mostly higher lows and higher highs. Shares of NOV have recently been riding right along its 50-day moving average, and finding buying interest whenever it touches that key technical level. Now NOV is starting to trigger a breakout above some near-term overhead resistance. Traders should watch NOV for a breakout trade if this stock can manage to sustained a high-volume move and close above $82.67 a share on heavy volume. Look for volume on a move above that level that registers near or well above its three-month average action of 3.6 million shares. At last check, NOV has hit a daily high of $83.86 and volume is tracking in strong at over 2.8 million shares traded. Market players should now look for long biased trades in NOV as long as this stock is trending above that near-term breakout level of $82.67 with strong upside volume flows. There's a good chance that if this breakout is the real deal, that NOV is going to re-test its recent high of $87.59 a share, or possibly trend much higher. NOV, which shows up on a list of 15 Best Stocks at Top-Performing Mutual Funds, was also featured recently in " 5 Cash-Rich Stocks to Buy in 2012." Follow @stockpickr Prev 2 of 6 Next