Determination of customer proximity to a register through use of sound and methods thereof

摘要

A method is disclosed for determining a customer's proximity to a checkout register at a store. A mobile electronic device with mobile self-checkout software thereon may record and analyze ambient noise to determine when a customer is in a checkout line as well as to track the customer's progress through the checkout line. The mobile self-checkout software may present information to the customer according to the customer's position in the checkout line. The type and nature of the information presented to the customer may be changed according to the customer's distance from the checkout terminal as well as how quickly the customer is approaching the terminal. The software may provide detailed data about the shopping and checkout experience. This information may be correlated to customer satisfaction and used identify particular strengths and weaknesses in the shopping experience offered by a store.