System and method for delivering customized audio data

A method for producing customized audio data, comprising:

• executing an interface at a server or network of servers in a data network for selection of audio data products from, and for access to, a catalog of audio data products;
• providing a graphical user interface to a customer at a customer terminal, the graphical user interface presenting the catalog of audio data products from which a customer is able to select an audio data product;
• receiving, at the server or network of servers, a request for a particular audio data product from the catalog of audio data products wherein the request is made by the customer via the graphical user interface;
• receiving, at the server or network of servers, a customer hearing profile associated with the customer from a machine readable registry of customer hearing profiles, the customer hearing profile comprising data adapted to be applied to transform the particular audio data product according to hearing a characteristic of the customer to produce a customized audio data product;
• obtaining, at the server or network of servers, the particular audio data product;
• and
• associating, at the server or network of servers, the particular audio data product with the customer hearing profile producing said customized audio data product in response to the particular audio data product and the associated customer hearing profile, and delivering the customized audio data product to the customer terminal for use by the customer.