Yamaha Corporation

Shunsuke Nakamura

Yutaka Hasegawa

Kosei Terada

Takashi Kunii

In accordance with a request from a portable telephone, a sound data delivering serverdelivers a trial-listening music data to the portable telephone without charging a fee to a user of the portable telephone, or delivers a regular music data to the portable telephone upon charging a fee to the user. The delivered trial-listening music data is actually reproduced by the portable telephone; however, the number of reproduction times is limited, and the trial-listening music data is erased from a memory (RAM) of the portable telephone after the trial-listening music data is reproduced for the predetermined number of reproduction times. Thus, a system is provided in which the user of the portable telephone can obtain the trial-listening music data of an incoming call melody without being charged for the fee, and can actually reproduce the trial-listening music data with the use of the user s portable telephone.

Sound data delivering system, sound data delivery method, delivering server utilized in the sound data delivering system, client-side terminal utilized in the sound data delivering system, and computer-readable recording medium containing a program applied to a computer utilized in the sound data delivering system

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Hamamatsu, Japan

Shunsuke Nakamura