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The affect of artificial hair in a mixing situation: using an artificial head as a model
2009 (English)Independent thesis Advanced level (degree of Master (One Year)), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

This thesis study how hair affects frequencies between 1-10 kHz at different angles of azimuth, in the horizontal plane, when using an artificial head as a model. The azimuth varied from -30º to +180º in steps of 15 degrees. The experiment was conducted in an anechoic chamber. Artificial hair samples were selected after the amount of curliness and divided into groups. The results showed that the level was decreased with 1-8 dB at +0º azimuth. At +/-30º azimuth major notches appeared around 7 kHz. At +75º azimuth the largest decrease between artificial head with hair and without hair is observed between 1,7-3,3 kHz. Several new notches appear between 5-10 kHz for all hair samples when changing the azimuth to +90º. The notches have a level difference up to 20 dB. The conclusion is that the level in dB is decreased between 1,7-10 kHz depending on azimuth. The results also indicate that the amount of curliness could contribute to a decrease in level at +90º azimuth. The level in dB is also decreased at +/-30º azimuth but not depending on the high amount of curliness.

Place, publisher, year, edition, pages
Keyword [en]
Technology, Audio technology, mixing, hair, artificial hair, hair, absorption, amount of curliness, artificial head, horizontal, plane, azimuth, Head-related transfer function, HRTF
Keyword [sv]
URN: urn:nbn:se:ltu:diva-42716ISRN: LTU-DUPP--09/093--SELocal ID: 0b123c47-d1f6-456e-be69-504d6e3a6a05OAI: diva2:1015942
Subject / course
Student thesis, at least 15 credits
Educational program
Audio Technology, master's level
Validerat; 20101217 (root)Available from: 2016-10-04 Created: 2016-10-04Bibliographically approved

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