Dear Praveen Panday,

the QoE values (QoE: Quality of Experience) are not calculated theoretically.

The quality of some new technological developments - especially those related to human auditory and visual perception - is not only determined in the laboratory, but also "evaluated" by a large number of potential future users. The QoE values are understood as average human experience - they are average human grades. In contrast to QoE values, the QoS (Quality of Service) values are determined or measured technically.

There are several QoE Assessment Methods. In particular Crowdsourcing opens up new possibilities for the QoE assessment of technical developments. See the added literature source.

Best regards

Anatol Badach

Chen-Chi Wu, Kuan-Ta Chen, Yu-Chun Chang, and Chin-Laung Lei: „Crowdsourcing Multimedia QoE Evaluation: A Trusted Framework“

https://www.iis.sinica.edu.tw/~swc/pub/qoe_crowdsourcing_framework.html

thank you Anatol Badach

QoE is a subjective measure of a service, which can often be estimated objectively from readily measured QoS parameters (e.g., MOS for telephone quality audio can be estimated using PSQM or PESQ, the R-value is given by a formula in the E-model, subjective video assessment can be estimated using PEVQ, QoE for web browsing via ApDex, etc.). See ITU-T G.1010 and G.1011 for a general framework.

I am guessing that you are looking at some such relationship for audio or video, where quantization error adds noise which impacts the QoE.

If you give some more background perhaps I can help.

Y(J)S

Yaakov J Stein Thanks for the reply. At the very basic level , i am trying to understand what QP is. there are several values that it can have, but what is it ?

Thanks in advance.

Probably means the number of bits or the number of pixels.

Can you quote the reference?

Y(J)S