UK government celebrates Stereo inventor Alan Blumlein's 1931 patent - Audio Media International

UK government celebrates Stereo inventor Alan Blumlein's 1931 patent

The EMI Archive Trust and Universal Music have announced that the pioneering EMI engineer's invention of stereo sound is being recognised as part of the 'GREAT for Imagination' campaign.
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The EMI Archive Trust and Universal Music have announced that pioneering EMI engineer Alan Dower Blumlein’s invention of stereo sound is being celebrated as part of a major campaign launched by the UK government, marking the 400th anniversary of the grant of British patent number one.

The campaign, titled ‘GREAT for Imagination’, is showcasing some of the most important innovations to be developed and patented in Britain over the last four centuries and is a partnership between the GREAT Britain Campaign and the UK Intellectual Property Office, with support from the British Library and Innovate UK.

As part of the campaign, Blumlein’s invention of stereo sound has been brought to life visually by expert British still life photographer Ted Humble-Smith, in collaboration with artist and production designer Emma Winter.

Alan Dower Blumlein invented stereo sound whilst working at EMI’s Central Research Laboratories in the 1930s. He filed the patent for “Improvements in and relating to sound-transmission, sound-recording and sound-reproducing systems” in December 1931. It contained 70 individual claims including the positioning of a pair of microphones, processing of sound from the microphones and cutting equipment to record two channels into a single record groove which together represent the beginnings of stereo recording and stereo sound, which in time would completely revolutionise the music and audiovisual industries.

The invention was so significant that he was awarded a posthumous Grammy by the Recording Academy in 2017 in recognition of his work.

Born in Hampstead, London on 29 June 1903, Blumlein was one of the most prolific inventors of the twentieth century, earning a total of 128 patents in his short life. According to the EMI Archive Trust, custodian of Blumlein’s research papers and prototypes, he filed 121 of those patents in the space of 13 years, covering key developments in the fields of sound recording, television and radar. On June 7, 1942 during World War II, aged just 38, Blumlein’s life was cut tragically short in an aircraft accident whilst testing the H2S airborne radar system that the team he was leading had developed and which was soon after deployed throughout the RAF’s fleet.

“On behalf of the Blumlein family, The EMI Archive Trust and Universal Music, I would like to thank the ‘GREAT For Imagination’ campaign for including Alan Dower Blumlein’s invention of stereo sound in this celebration of British innovation,” said Caryn Tomlinson, chair of the EMI Archive Trust. “Blumlein’s death was never officially acknowledged and so despite his major contribution to the Allied war effort, as well as his important work in sound recording and television, his accomplishments have been relatively unknown. With his posthumous Grammy and now this recognition from the UK government, Blumlein’s work is having the light shone upon it that it truly deserves.”

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