The problem of selecting appropriate participants for a listening test was addressed by the authors' e-brief presented during the 136th AES Convention. After the Convention, the project was continued and the application was further developed. The next stage consisted in the comparison of resolutions in the time and frequency domains for particular listeners. The resolution in time was investigated by a task for gap detection in noise. The resolution in frequency was tested by two tasks: a two-tone detection and distinguishing pitches of two tones. The results showed that there was no correlation between these resolutions (neither negative nor positive), but considerable frequency dependent differences were found. A new version of the test application was developed for this stage.
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