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Stage compression in transaural audio

Stage compression in transaural audio
Stage compression in transaural audio

The reproduction of binaural audio with loudspeakers, also referred to as transaural audio, is affected by a number of artefacts. This work focuses on the effect of reproduction error on low frequency Interaural Time Difference (ITD). Transaural systems do not provide perfect cross-talk cancellation between the left and right ear signals, especially at low frequencies. It is shown that increase in cross-talk leads to a perceived source azimuth angle that is smaller than intended. The authors show that in ideal theoretical conditions the angular error calculated from the interaural phase difference indicates stage compression for frequencies for which high cross-talk occurs. This trend is shown in the resultant ITD calculated from Interaural Cross Correlation (IACC), examined in one-third octave bands.

Audio Engineering Society
Fazi, Filippo Maria
e5aefc08-ab45-47c1-ad69-c3f12d07d807
Hamdan, Eric C.
4a342d37-7fa9-45a2-8e9a-0a1a428dba7e
Fazi, Filippo Maria
e5aefc08-ab45-47c1-ad69-c3f12d07d807
Hamdan, Eric C.
4a342d37-7fa9-45a2-8e9a-0a1a428dba7e

Fazi, Filippo Maria and Hamdan, Eric C. (2018) Stage compression in transaural audio. In 144th Audio Engineering Society Convention 2018. Audio Engineering Society..

Record type: Conference or Workshop Item (Paper)

Abstract

The reproduction of binaural audio with loudspeakers, also referred to as transaural audio, is affected by a number of artefacts. This work focuses on the effect of reproduction error on low frequency Interaural Time Difference (ITD). Transaural systems do not provide perfect cross-talk cancellation between the left and right ear signals, especially at low frequencies. It is shown that increase in cross-talk leads to a perceived source azimuth angle that is smaller than intended. The authors show that in ideal theoretical conditions the angular error calculated from the interaural phase difference indicates stage compression for frequencies for which high cross-talk occurs. This trend is shown in the resultant ITD calculated from Interaural Cross Correlation (IACC), examined in one-third octave bands.

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More information

Published date: 2018
Venue - Dates: 144th Audio Engineering Society Convention 2018, , Milan, Italy, 2018-05-22 - 2018-05-25

Identifiers

Local EPrints ID: 424705
URI: http://eprints.soton.ac.uk/id/eprint/424705
PURE UUID: 19bfef1e-bd2a-426f-91f8-809c579d2874

Catalogue record

Date deposited: 05 Oct 2018 11:41
Last modified: 27 Nov 2020 17:32

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