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A DAW-Based Interactive Tool for Perceptual Spatial Audio Evaluation

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A software tool for subjective audio evaluation is presented. The tool helps to overcome the limits of the existing listening test tools by allowing DAW-based multichannel playback with required signal processing and enabling the use of novel test participant interfaces: mobile app, physical controller, and VR interface. Test preparation is done by importing audio samples into the spatial audio standard DAW and setting up the required signal processing plugins. The listening test tool triggers the playback of the desired audio samples inside the DAW, according to the participant’s choice. The tool described in this paper can be used for various perceptual audio tests, including evaluation of spatial audio codecs, virtual acoustics, and binaural rendering engines.

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