Figure 5
Frequency response comparison between the reference microphone used, Milab VM-44 (blue) and the low-cost microphone, Nedis MICMJ100BK (red). Based on this, it was decided that the low-cost microphone was sufficient for measuring noise up to 5,000 Hz Refer to the image caption for details.

Frequency response comparison between the reference microphone used, Milab VM-44 (blue) and the low-cost microphone, Nedis MICMJ100BK (red). Based on this, it was decided that the low-cost microphone was sufficient for measuring noise up to 5,000 Hz

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