揚聲器系統之聲音品質參數分析與測試

在現代社會中，隨著生活品質逐漸上升，人們對娛樂的需求及品質也日益增加，一般社會大眾從早期注重視覺娛樂到現在也開始注重聽覺方面的享受，但是一般市面上販售的揚聲器系統所標示的規格很難從其中去看出該產品的性能，較高階的家庭音響組合除了一般的規格標示外，也會標示頻譜響應圖，但對一般消費者幫助有限。故本文的目的就是希望能制定出一套標準化的聲音品質參數作為客觀的性能優劣之參考，就像汽、機車在販售時都會標示出該車引擎的輸出功率或馬力數值來給消費者做為參考的依據。本文藉由下述三個試驗的步驟來探討聲音品質參數運用再揚聲器系統的可行性，先利用音頻測試系統CLIO來測量受測之揚聲器系統的頻譜響應，測試該揚聲器系統之基礎性能，再由頻譜分析儀PULSE來測量及分析聲音品質之參數，最後再由陪審團評測揚聲器系統的音質。

關鍵字

聲音品質；頻譜響應；揚聲器；陪審團

並列摘要

People nowadays ask high quality of entertainment as the living standard is rising gradually. Not only pay attention to visual amusement as early days but also request for the enjoyment of the sense of hearing. But generally it is difficult to find out the performance of a loudspeaker system on the market from the specification. So the purpose of this research is to make a set of standardized sounds quality parameters which can be the reference of objective performance judgment on good and bad, just like the vehicle will mark the output power of the engine to help people on purchase. This study probes into the feasibility of the sound quality parameter applied to the loudspeaker system by three test methods. The first is using CLIO to get the frequency response chart. The second is using PULSE to get the sound quality parameters. Finally is the jury to evaluate the acoustic fidelity of the loudspeaker system.

並列關鍵字

sound quality ； frequency response ； jury ； loudspeaker

國際替代計量

揚聲器系統之聲音品質參數分析與測試

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