Possibly one of the best known and most widely distributed musical instruments, the violin is honoured on National Violin Day held on 13 December each year. Recognised early for its singing tone, it developed in the Renaissance from earlier bowed instruments, including the medieval fiddle, the lira da braccio and the rebec.Creating the perfect acoustics for concert halls or auditoriums, that allow the violin to sing, depends on factors such as reverberation or the avoidance of echo. The stimulus of reverberation had been recognised as far back as ancient Rome, with Horace writing of poets who recited their poems at the Roman baths: “How sweetly the enclosed space responds to the voice”. It was the American physicist Wallace Clement Sabine (1868-1919) who developed Sabine’s law, which stated that the product of the reverberation time multiplied by the total absorptivity of the room is proportional to the volume of the room. He thus created a formula that architects and engineers could use when designing a concert hall to achieve the best reverberation time for their particular venue. The Turner Sims Concert Hall at the University is much valued for recording due to its fine acoustics. In 1967, Miss Margaret Grassam Sims had left the University a bequest which enabled the building of a concert hall to be named Turner Sims in honour of her father. The Concert Hall that opened in 1974, after many revisions to the project, was, according to Professor Peter Evans of Music, “a most effective and attractive auditorium for music”. The acoustics of this hall were the work of the Institute of Sound and Vibration at the University with Professor Philip Ellis Doak acting as a consultant.
The Special Collections holds a small collection of material for Professor Doak (MS373) that relates to his work as consultant on the Turner Sims Concert Hall, including questionnaires relating to tests for the reverberation times of the hall.The Special Collections holds further archive collections relating to acoustics: (MS337) Dr Raymond Stephens and British Acoustical Society; (MS339) Peter Parkin who had a long career in an advisory role at the British Research Establishment; (MS340) the architectural theorist and acoustician (Philip) Hope Edward Bagenal (1888–1979), amongst whose important acoustic projects was the Royal Festival Hall, London; (MS341) Hugh Creighton, who acted as consultant on a range of acoustic projects in the UK, including for the Barbican Centre, London; and (MS342) Keith Rose, who was a consultant for the BBC.
So the next time that you attend a concert or a lecture in an auditorium, spare a thought to those hardworking individuals who have contributed to the perfection of the acoustics.