| 摘要 |
An information processing apparatus is disclosed. An analyzing section chronologically continuously analyzes sound data which chronologically continue in each of predetermined frequency bands. A continuous characteristic quantity extracting section which extracts a continuous characteristic quantity which is a characteristic quantity which chronologically continues from an analysis result of the analyzing section. A cutting section cuts the continuous characteristic quantity into regions each of which has a predetermined length. A regional characteristic quantity extracting section extracts a regional characteristic quantity which is a characteristic quantity represented by one scalar or vector from each of the regions into which the continuous characteristic quantity has been cut. A target characteristic quantity estimating section estimates a target characteristic quantity which is a characteristic quantity which represents one characteristic of the sound data from each of the regional characteristic quantities.
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