Voice system for registration of goods denoted by a barcode based on the spectral analysis of the human voice

1. REGISTRATION OF GOODS AT THE COMPANIES EAN is an abbreviation for European Article Number. These numbers are marked almost all of the products sold, they form a bar co de string 13, or 8 digits. Using a barcode scanner to be placed on computerized cash registers . In the case numbers 13-digit, first two digits indicate the country of origin (manufacturer ), for example, Polish and 59 for 40, 41, 42, 43 or 44 for Germany. The next 5 digits means t he same manufacturer, another group of 5 digits is characterized by a specific product. Th e last digit p is a check digit. This figure we choose so that after multiplying suc cessively, starting from the left, the first twelve digits of 1 or 3, etc., and then summi ng up of the products, adding to the result gave the number of digits of p is divisible by 10. Thus, if the number is a good "ab cde hikmn fg p”, then p should satisfy the following congruence: a+3b+c+3d+e+3f+g+3h+i+3k+m+3n+p≡0(10)