A method for determining emotional status of a group of N people comprising steps of: receiving an audio data of at least one person from the group of N people by a computer readable medium (CRM); determining emotional status of that person according to the received audio data using the CRM; repeating the steps of receiving and determining for a sub-group of M people selected from the group N people; M is an integer between 1 and N; the method additionally comprising step of determining emotional status of the group by applying a statistical function on plurality of the emotional status collected in the steps mentioned above.