Preprint Article Version 2 Preserved in Portico This version is not peer-reviewed

A Preliminary Investigation on Frequency Dependant Cues for Human Emotions

Version 1 : Received: 4 May 2022 / Approved: 9 May 2022 / Online: 9 May 2022 (06:19:11 CEST)
Version 2 : Received: 1 June 2022 / Approved: 1 June 2022 / Online: 1 June 2022 (07:44:13 CEST)

A peer-reviewed article of this Preprint also exists.

Kumar, M.; Abhayapala, T.D.; Samarasinghe, P. A Preliminary Investigation on Frequency Dependant Cues for Human Emotions. Acoustics 2022, 4, 460-468. Kumar, M.; Abhayapala, T.D.; Samarasinghe, P. A Preliminary Investigation on Frequency Dependant Cues for Human Emotions. Acoustics 2022, 4, 460-468.


The recent advances in Human-Computer Interaction and Artificial Intelligence have significantly increased the importance of identifying human emotions from different sensory cues. Hence, understanding the underlying relationships between emotions and sensory cues have become a subject of study in many fields including Acoustics, Psychology, Psychiatry, Neuroscience and Biochemistry. This work is a preliminary step towards investigating cues for human emotion on a fundamental level by aiming to establish relationships between tonal frequencies of sound and emotions. For that, an online perception test is conducted, in which participants are asked to rate the perceived emotions corresponding to each tone. The results show that a crossover point for four primary emotions lies in the frequency range of 417–440 Hz, thus consolidating the hypothesis that the frequency range of 432–440 Hz is neutral from human emotion perspective. It is also observed that the frequency dependant relationships between emotion pairs Happy—Sad, and Anger—Calm are approximately mirrored symmetric in nature.


Emotion recognition; Emotion cues; Pure tone; Frequency dependent relationship


Physical Sciences, Acoustics

Comments (1)

Comment 1
Received: 1 June 2022
Commenter: Manish Kumar
Commenter's Conflict of Interests: Author
Comment: List of Changes in the revised manuscript:
[1]  We have revised the paper and included a separate section for related work of the world scientific community (Section 2 - Related Work).
[2] We have revised Section 4 - Results and Discussions of the manuscript, and have acknowledged that the sample is dominated by young age group (average age of participants is 27 years) which may leads to some bias in the perception of different pure tones in specified frequency range.
[3] We designed the listening test according to a rule of thumb, which is now mentioned in Section 3.3. 
[4] We have now increased the number of samples per frequency to 37 and have updated all five plots and Section 3.1 (Participants) of the manuscript accordingly. Although the results did not improve significantly with addition of 7 new participants (samples), the trend indicates that more data we can obtain, the more accurate results would be.
[5] This article is now being accepted and published to MDPI - acoustic Journal on 22/05/2022.

Details of all the updated changes are availaible in attached "acoustics-1696040-coverletter.pdf" document.
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