The Effects of the Depth and Width of an Ambience Microphone Array on Perceived Depth, Width and Listener Envelopment

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Abstract

This paper presents a subjective study that investigated the effects of the depth and width dimensions of a 4-channel ambience microphone array on perceived environmental depth (ED), environmental width (EW) and listener envelopment (LEV). Test stimuli were reverberant recordings made using four backward-facing cardioid microphones with varying depth and width dimensions (0.5m, 1m and 2m). Listening tests conducted using four loudspeakers ±30° and ±120° found that the array depth had no significant effect on either ED, EW or LEV. The array width effect was significant on all of EW, ED and LEV (1m = 2m > 0.5m), with ED significantly dependent on the type of sound source. From this, a new microphone array for 3D ambience recording is proposed.
Original languageEnglish
Title of host publicationProceedings of the 149th AES Convention
EditorsAreti Andreoupoulou, Braxton Boren
PublisherAudio Engineering Society
ISBN (Print)9781942220336
Publication statusPublished - 22 Oct 2020
Event149th Audio Engineering Society Convention - Online due to COVID-19
Duration: 27 Oct 202030 Oct 2020
Conference number: 149
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Conference

Conference149th Audio Engineering Society Convention
CityOnline due to COVID-19
Period27/10/2030/10/20
Internet address

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