A SOUND EAR II - Association of British Orchestras

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A SOUND EAR II Measurement Locations Measurement positions shall be selected to cover a reasonably even spread across the orchestra, not just the anticipated loudest locations. In addition to the conductor position, typically this might be: • 3 strings (including desk closest to piccolo) • 1 woodwind • 2 brass • 1 timpani 38 Figure 1: Suggested measurement positions Post Processing For each position (including the conductor’s position), the following information shall be determined: • Length of the session in hours and minutes • Peak noise level during the session in dB(C) • Equivalent Continuous noise level during the session in dBLAeq This equipment should then be submitted to the database along with: • A plan of the orchestra layout marked with the location of the monitoring positions for each session measured • Name of performance/rehearsal space • Repertoire performed/rehearsed • Name of orchestra • Name of conductor
A SOUND EAR II Examples Example Equipment Measurements were performed using the following equipment: • Kit of 7 CR:110A doseBadges (Cirrus Research Plc) • Brüel & Kjær Type 2236 Precision Integrating Sound Level Meter The doseBadges meet the requirements of IEC 61252:1993 Personal Sound Exposure Meters. Example Results The results of the measurements are tabulated below: Musician L Aeq dB Peak Level dBC 1 Second Violin, desk 5 82.8 121.5 2 Double Bass 4 79.8
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Page 7 and 8: A SOUND EAR II MYTH BUSTING Orchest
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Page 11 and 12: A SOUND EAR II FREQUENCY SELECTIVIT
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Page 15 and 16: A SOUND EAR II How loud is it? At p
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Page 21 and 22: A SOUND EAR II • your noise polic
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Page 31 and 32: A SOUND EAR II Summary of findings
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