Automated Loudspeaker Balloon Measurement - Audiomatica Srl

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Please, , NO Outdoors! • The temptation to perform 3D polar measurements outdoors is high, but the uncontrolled environment together with long duration of the measurement process can lead to big errors! • Discarding the effect of the wind and the noise, a change in temperature will cause a phase shift: distance 6m frequency 10kHz 22 3D Polar Measurements M. Bigi, D. Ponteggia - Audiomatica
Not or Semi-Anechoic • There are two issues to take into account. – Reflections (can be eliminated by impulse windowing) – Reverberation (can cause time alias between different measurements) 23 3D Polar Measurements M. Bigi, D. Ponteggia - Audiomatica
Page 1 and 2: AES San Francisco 2008 Exhibitor Se
Page 3 and 4: Polar Measurements Aim • Polar me
Page 5 and 6: Point Source Model • If the louds
Page 7 and 8: Spherical Coordinate System Weisste
Page 9 and 10: • Simple and FAST Simplest Method
Page 11 and 12: Why H+V is simple? • The measurem
Page 13 and 14: Big Setup Example 13 3D Polar Measu
Page 15 and 16: Full 3D - different approaches •
Page 17 and 18: Interpolation, again? • At this p
Page 19 and 20: Practical considerations • At thi
Page 21: Anechoic or not? • In theory a bi
Page 25 and 26: 25 Room Reflections ceiling reflect
Page 27 and 28: Managing Reverberation • The reve
Page 29 and 30: The new Outline ET250-3D turntable
Page 31 and 32: Turntables Options • Specify whic
Page 33 and 34: New CLIO Autosave y r z x .mls 3
Page 35 and 36: CLIO Automation • Once the turnta
Page 37 and 38: Data Set Size • The Data Set size
Page 39 and 40: 3D Analysis • This is a beta vers
Page 41 and 42: Export Data • There are some ways
Page 43 and 44: Import with EASE SpeakerLab • EAS
Page 45: Thank you! For more info: info@audi

Automated Loudspeaker Balloon Measurement - Audiomatica Srl

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