NoiseAlert vs サウンドチェッカー

建設現場や工場周辺での騒音レベルをリアルタイムで測定するアプリです。マイクを使って周囲の音量をdB（デシベル）で表示し、85デシベルを超えると警告を表示します。建設現場の敷地境界線での騒音基準値（85dB）の確認に最適です。 主な機能： ・リアルタイム騒音レベル表示 ・85dB超過時の警告表示 ・見やすい円形メーター ・カラーコード表示（緑→黄→橙→赤）

What's the noise level around you? Sound Checker measures ambient noise levels in real-time using your phone's microphone. - Check apartment noise from neighbors - Measure snoring or teeth grinding volume - Monitor noise at construction sites or events - Check sound levels in your baby's room - Measure quietness of cafes and offices Features: - Real-time dB measurement with large meter display - 30-second waveform graph - Measurement history (min/avg/max dB auto-saved) - WHO noise level guidelines & Japan environmental standards Your microphone is used only for measurement. No audio data is stored or transmitted. Completely free with all features available. Note: This app provides approximate noise level readings using your smartphone's microphone. For legal evidence or precise measurements, please use a professional sound level meter.