Predicting a sales success probability score from a distance vector between speech of a customer and speech of an organization representative

A computerized method for sales optimization comprising:

• receiving at a general purpose computer serving as a computer server a digital representation of a portion of an interaction between a customer and an organization representative, the portion of an interaction comprises a speech signal of the customer and a speech signal of the organization representative;
• analyzing the speech signal of the organization representative;
• analyzing the speech signal of the customer;
• determining by the computer server a distance vector between the speech signal of the organization representative and the speech signal of the customer;
• and
• predicting a sale success probability score for the captured speech signal portion.