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Signal Processing


— Music

Antares puts pitch correction underfoot

By - July 11, 2015 5 Pictures

You may not know of Dr. Harold Hildebrand, but you'll almost certainly have heard the results of his sonic tinkering. Introduced in the late 1990s, Auto-Tune went on to make performers who can't hold a note into international sensations, but has also given new vocal expression to artists who could already belt out a good tune. In 2011, Antares announced that it was bringing its pitch correction technology to the electric guitar and we got to play in perfect tune with the AT-200 in 2013. Now the company is aiming for broader adoption with the introduction of the ATG-1 Floor Processor.

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— Medical

Smartphone app promises cheap, easy and accurate diagnosis of sleep apnea

By - April 28, 2015 4 Pictures
And so the emerging value of smartphones as a tool for diagnosing various medical conditions continues to grow. Recent advances have raised the possibility of using phones to detect ailments like ear infections, cervical cancer, HIV and syphilis. Now, researchers at the University of Washington (UW) have created an app they claim can detect sleep apnea with similar accuracy to available methods, potentially removing the need for expensive equipment and overnight hospital stays. Read More
— Electronics

New electronic technique promises to double optical fiber communications reach

By - February 10, 2015 3 Pictures
A new method of processing signals via fiber optic cables could vastly increase the distance at which error-free data is transmitted via submarine cables without additional signal amplification. As the technique is capable of correcting corrupted or distorted data being transmitted, it may also assist in increasing the capacity of all optical fiber communications. Read More
— Music

Vo-96 Acoustic Synthesizer takes crowdfunding route to production

By - April 12, 2013 9 Pictures
Back in November 2012, we brought you news of a new pickup harmonizer technology dubbed LEV-96 in prototype testing over at Moog Music. Sat in the sound hole of an acoustic guitar, the device took precise control of string vibrations to offer an expansive, colorful and rich harmonic backdrop to what was being played. Paul Vo, the inventor of the newly-renamed Vo-96 Acoustic Synthesizer, has since made some improvements to electronics, user interface and mechanical design, and has now launched a crowdfunding campaign to get what he calls the "most fundamental and radical innovation in the music industry today" into the hands of musicians. Read More
— Music Review

Review: Peavey AT-200 guitar with Auto-Tune technology

By - February 12, 2013 14 Pictures
Gizmag has been following the development of the Antares Auto-Tune for Guitar technology with great interest since it was first teased back in May 2011. In January 2012, it was launched in two guitars at the Winter NAMM show, but only one of those has actually made the leap into production. Peavey released its AT-200 as last year came to a close, and I've spent the last few weeks in the company of this game-changing guitar while also chatting with some of the folks involved in its development. Read More
— Music

Roland's Multi-Dimensional Processing technology makes BOSS stompbox debut

By - January 31, 2013 4 Pictures
The company that's said to have put the "stomp" in stompbox has detailed three new guitar effects pedals, featuring a new technology called Multi-Dimensional Processing (MDP) developed by its parent company Roland. The TE-2 Tera Echo is a landmark pedal not only because of the new signal processing technology, but also by virtue of it being the one-hundredth BOSS Compact Series model to be released. The MO-2 Multi Overtone uses a guitar's harmonic characteristics to build unique rich sounds that enhance the normal tone. Roland says that the DA-2 Adaptive Distortion unit makes use of the MDP technology to deliver perfect distortion wherever you play on the neck. Read More
— Science

New diode promises to uncork optical computing bottleneck

By - December 22, 2011 1 Picture
When it comes to speed, photons leave electrons for dead and have a higher bandwidth, which means optical computers will be much faster than their current electron-based cousins. While optical diodes for use in optical information processing systems already exist, these require external assistance to transmit signals so cannot be readily integrated into computer chips. Now researchers at Purdue University have developed a “passive optical diode” that not only doesn’t require any outside help to transmit signals, but is also so small that millions would fit on a computer chip, potentially leading to faster, more powerful information processing and supercomputers. Read More
— Music

Antares announces ATG-6: Auto-Tune for Guitar

By - May 16, 2011 2 Pictures
Since Antares Audio Technologies first introduced its Auto-Tune vocal pitch correction technology in the late 1990s, musicians and fans alike have been somewhat divided about its use. Some artists like Cher and, more recently, T-Pain have openly embraced the voice processing tool while others have kept its use a closely guarded secret, and, at the opposite end, calls for an end to robo-voice gimmickry have been made by the likes of Jay-Z. Now, the company has announced that its Auto-Tune processing technology is being developed for the electric guitar - offering six-string slingers effortless intonation, pitch perfect tuning and access to whole new worlds of otherwise unavailable tone. Read More
— Games

Sony takes aim at gamers with new Ultimate Weapon Gaming headsets

By - August 18, 2010 2 Pictures
Hardened first person shooter (FPS) veterans know that your ears can be as important as your eyes when battling hordes of enemy combatants. Such veterans will also be aware that the staccato of gunfire and the sound of exploding body parts aren’t always appreciated by other members of the household – particularly in the early hours. In response to extensive research to show what different gamers want from their headsets, Sony has unveiled its DR-GA500 and DR-GA200 headsets designed to maximize spatial awareness without waking up the neighbors. Read More
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