Information processing apparatus and associated method of content exchange

A computer which transmits content data to a portable player, the computer comprising:

• a memory configured to store a plurality of content data;
• processing circuitry configured
• to weight each of the plurality of content data based on
• (i) a first data file including at least a number of reproductions of the plurality of content data or a second data file indicating a number of transfers of the plurality of content data to a portable player, and
• (ii) selected filtering data, and
• to extract a subset of content data from among the plurality of content data based on the weights.

A method, of a computer which transmits content data to a portable player, for processing a plurality of content data, the method comprising:

• weighting, by processing circuitry of the computer, each of the plurality of content data based on
• (i) a first data file including at least a number of reproductions of the plurality of content data or a second data file indicating a number of transfers of the plurality of content data to a portable player, and
• (ii) selected filtering data, and
• extracting, by the processing circuitry, a subset of content data from among the plurality of content data based on the weights.

A non-transitory computer-readable medium storing instructions which, when executed by a computer for transmitting content data to a portable player, causes the computer to perform a method for processing a plurality of content data, the method comprising:

• weighting each of the plurality of content data based on
• (i) a first data file including at least a number of reproductions of the plurality of content data or a second data file indicating a number of transfers of the plurality of content data to a portable player, and
• (ii) selected filtering data, and
• extracting a subset of content data from among the plurality of content data based on the weights.