Bob Stuart Awarded Academy of Engineering Prince Philip Medal

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Bob Stuart Awarded Academy of Engineering Prince Philip Medal


Bob Stuart, the creator of Master Quality Authenticated (MQA) and co-founder of Meridian Audio recently became the first audio engineer to win the Academy of Engineering Prince Philip Medal. Stuart received the award, which is presented every two years, for his breakthroughs in audio engineering, including his Meridian Lossless Packing audio technology and the creation of MQA. Stuart is currently the chairman and CTO of MQA Ltd., and is a Fellow of the Audio Engineering Society.

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Read more about Bob Stuart and the award below:

Bob Stuart, creator of MQA and co-founder of Meridian Audio, is awarded the Royal Academy of Engineering Prince Philip Medal for 'his exceptional contribution to audio engineering which has changed the way we listen to music and experience films'. Stuart is the first audio engineer to receive the award in its 20-year history.

Previous recipients of the Prince Philip Medal include inventor of the turbojet engine, Air Commodore Sir Frank Whittle OM KBE CB FREng FRS; geothermal power innovator, Lucien Bronicki; and the electrical engineer who revolutionised fibre optics, Dr Charles Kao CBE FRS FREng.

Commissioned by HRH Prince Philip, The Duke of Edinburgh KG KT, Senior Fellow of the Royal Academy of Engineering, the Prince Philip Medal is awarded periodically to an engineer of any nationality who has made exceptional contributions to engineering through practice, management or education

In accepting this award, Bob Stuart reflects: "Audio engineering sits at an intersection between analogue and digital engineering, music and the human listener. My passion to enable great sound recording and playback has required a multi-disciplinary approach, but that quest to preserve and share music perfomances is very satisfying and important. I am honoured and humbled to receive this award from the Royal Academy of Engineering."

Legendary, multi-Grammy Award winning Mastering Engineer, Bob Ludwig, shared his thoughts:

"Bob Stuart is a connoisseur of both engineering and music and that is what sets him apart. He is like a mastering engineer - he knows what music is supposed to sound like, so he isn't blinded by theory or technology. If something does not sound right to his ear he will quickly reject it and explore a more musical way of accomplishing his goals. The invention of MQA improved the sound clarity that was blurred by digital components and as a musician, I am so delighted for my ears to be the recipient of Bob's creation and to use it in my work."

Grammy-winning Producer and Engineer, Morten Lindberg had this to say:

"With the invention and development of MQA, Bob has provided audio engineers and music producers all over the world with a mindset and tools to work with digital audio in an holistic perspective. His interdisciplinary research combining neuroscience, psychology and advanced physics with audio engineering now makes it possible for music production to maintain true analogue qualities in the digital domain. Bob is the kind of person who goes beyond the call of professional duty and 'becomes' his work."

George Massenburg, pre-eminent Producer, inventor and teacher, added:

"For decades, research in modern digital audio has been confused by outdated foundational precepts, misled by chimerical goals or commercial pressure and hampered by ever-so-slowly evolving knowledge in the fields of science and hearing perception. Bob Stuart has risen above these challenges time and time again.  Only the accomplished researcher whose heart and soul has been captivated by the sublime experience of superb, transparent music recording and reproduction could achieve so well what Bob has accomplished for so many years.

Our job as producers is to connect an artist's vision and intent with listeners; the ability to share our work has been deeply compromised in the last 30 years, with a seemingly endless "lowering of the bar" of audio quality. Thus, I'm deeply impressed by the performance and technology of MQA -- its faithful rendering of nuance, complexity, sound stage and detail, lifts the veil.  Knowing that my work can again be heard by an enthusiastic audience gives me a reason to go back into the studio.  I feel strongly that Bob's work, in MQA will have a tremendous impact on the music industry."

MQA background

In 2012 Bob decided to focus exclusively on developing technology that would be both better and more efficient at preserving realistic and natural sound when capturing, recording, distributing and playing back digital audio - a project of huge scope. The resulting technology takes a revolutionary approach, is underpinned by two decades of research and informed by recent insights from auditory science and signal processing. Following a couple of years working closely with the recording community, Bob launched MQA (Master Quality Authenticated) in December 2014. MQA captures every element and nuance of sound and is particularly faithful in reproducing the micro-dynamic and temporal details which preserve spatial information and ensure a more realistic and enjoyable result for the listener.

Unlike lossy coding (which discards up to 90% of audible information) and unlike conventional digital (which is inefficient for high resolution recordings) MQA uses a unique folding technique that efficiently packs complete information into the recording.This small file can be streamed efficiently with or without video and enables a new generation of highest-quality recording to be enjoyed in all modern listening scenarios.  Devices or apps with MQA decoding capability can fully 'unfold' the information to reveal the original master resolution; they will also authenticate the file to guarantee that it is the definitive master recording from the label. Supported by highly respected record producers and mastering engineers, MQA's innovative technology has also been adopted by artists and record labels. Sony Music, Warner Music, Universal Music and Merlin (on behalf of independent labels), are all licensed partners. This means the availability of MQA music continues to grow worldwide and MQA powers some of the best music streaming services at a global level.

The technology also has wider applications, as recently demonstrated in ground-breaking productions within the areas of broadcasting, livestreaming and video-on-demand. Wherever audio lives, MQA can transform the listening experience.

Bob Stuart Biography

Bob studied electronic engineering and acoustics at the University of Birmingham and operations research at Imperial College, London. In 1972 while working at Cambridgeshire start-up Lecson Audio, Bob met industrial designer Allen Boothroyd. The duo's debut design, the Lecson AC1/AP1, won the Design Council Award - the first of a record three Design Council Awards for Bob and Allen, and marked the start of a 40-year partnership.

In 1977 Bob co-founded Meridian Audio and served as CTO until early 2015.

In 2014 he founded MQA Ltd where he is currently Chairman and CTO. While at Meridian Audio, Bob pushed the boundaries of high-performance analogue and digital audio and video technologies. His deep interest in human auditory science drove a lifelong passion to improve the way we hear recorded music.

In the 1990s Bob led the team that pioneered lossless compression for audio and introduced it to the industry. In 2000, Meridian's MLP lossless encoding was adopted as the standard for DVD-Audio and subsequently in 2005 for Blu-ray, when it was acquired by Dolby Laboratories. Innovations in product design included the world's first consumer digital and DSP loudspeakers and audiophile CD players. Bob and Meridian Audio were also behind the sound systems for the McLaren P1 supercar, for many models of Jaguar Land Rover as well as a sector-defining collaboration with Ferrari, the F80 all-in-one digital audio system.

Bob is a lifelong student, researcher and teacher and has published several important papers on audio engineering. He is a Fellow of the Audio Engineering Society and has served on technical committees in the USA, Japan and UK.

The Prince Philip Medal is the latest award to recognize Bob's remarkable, and continuing, contributions to the world of audio engineering.


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