Distance Coding And Performance Of The Mark 5 And St350 Soundfield Microphones And Their Suitability For Ambisonic Reproduction
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A paper presented at the Institute of Acoustics Reproduced Sound 25 conference in 2009 looking at the response of two SoundField Ambisonic microphones to sound sources at different distances from the microphone.
![Reproduced Sound 25 Dr Bruce Wiggins Tom Spenceley Signal Processing Applications Research Group University of Derby DISTANCE CODING AND PERFORMANCE OF THE MARK 5 AND ST350 SOUNDFIELD MICROPHONES AND THEIR SUITABILITY FOR AMBISONIC REPRODUCTION [email_address] http://www.derby.ac.uk/staff-search/dr-bruce-wiggins](https://image.slidesharecdn.com/rs25ioabw-100527163710-phpapp01/85/distance-coding-and-performance-of-the-mark-5-and-st350-soundfield-microphones-and-their-suitability-for-ambisonic-reproduction-1-320.jpg)
![Ambisonics - What is it? ,[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object],[object Object]](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
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Distance Coding And Performance Of The Mark 5 And St350 Soundfield Microphones And Their Suitability For Ambisonic Reproduction
- 1. Reproduced Sound 25 Dr Bruce Wiggins Tom Spenceley Signal Processing Applications Research Group University of Derby DISTANCE CODING AND PERFORMANCE OF THE MARK 5 AND ST350 SOUNDFIELD MICROPHONES AND THEIR SUITABILITY FOR AMBISONIC REPRODUCTION [email_address] http://www.derby.ac.uk/staff-search/dr-bruce-wiggins
- 9. NFC Filters for 1m (solid) and 3m source with a speaker distance of 1.5m
- 11. Why would the Mics be different? – A to B Format Pre-filter A Pre-filter B Pre-filter C Pre-filter D Degree 0 Filter Degree 1 Filter Degree 1 Filter Degree 1 Filter W = (A+B+C+D) X = (A+C)–(B+D) Y = (A+B)–(C+D) Z = (A+D)–(B+C)
- 13. Results – ST350
- 14. Results - ST350
- 17. Results - MKV
- 18. Results – MKV
- 19. Results – MKV Amplitude
- 20. Results – MKV Phase