AUDIO QUALITY EVALUATING APPARATUS, AUDIO QUALITY MONITORING APPARATUS, AND AUDIO QUALITY MONITORING SYSTEM

摘要

PROBLEM TO BE SOLVED: To automatically conduct an absolute evaluation of an audio quality as a whole of an evaluation object system 101, noting the performance characteristics of each of an audio input portion 102, a transmission line 106, and a receiving composite 104, without having to present a reference audio in the evaluation object system 101.;SOLUTION: A marker inserter 152 inserts a marker data for specifying a reproduction estimating time of an audio data into the audio data to be transmitted by the audio input 102, and a quality evaluator 153 detects the marker data from the received audio data, and calculates the prescribed audio quality, based on the marker data.;COPYRIGHT: (C)2008,JPO&INPIT