| 摘要 |
PURPOSE: A method for analyzing speech quality by version of a mobile communication terminal and a device therefor are provided to confirm RSSIs and SNRs(Signal to Noise Ratios) of the highest version and the lowest version, thereby exactly examining a cause of speech quality deterioration by standardizing a measured method. CONSTITUTION: A system confirms an RSSI and an SNR after confirming a version of a mobile communication terminal(S100), and drives a measurement device from the lowest version(S110). The system stores a measured value, compares the stored value with an initial version value of a mobile station(S120), and re-drives the measurement version from the highest version(S130). The system stores a measured value, and compares the measured value with the lowest version value of the mobile station(S140). The system finally confirms RSSIs and SNRs of the measured highest version and the lowest version, and completes speech quality analysis processes by version of the mobile station(S150).
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