Decibel Meter dB Sky vs S4_control

Turn separate recordings into a clear noise diary. • See daily recording counts, then narrow the diary to today, a date range or a room. • With Pro, share a multi-day PDF with each recording’s time, reference average and duration. Notes stay out unless you choose to include them. • Preview charts from your own recording before deciding to unlock report export. • Improved price loading and verified purchase, restore and refund handling, without waiting for unrelated legacy-app checks. Uses the existing one-time Pro purchase. No subscription. Recording, playback and history remain free. Readings are uncalibrated estimates; recorded duration is not continuous environmental monitoring. How loud is it around you? Keep the moment. Understand the changes. From a bedroom or office to a fan or air conditioner, follow sound changes on a clear dial, save a local recording and revisit the moments that matter. RECORD AND REPLAY FOR FREE • Live reference sound-level estimates, curves, minimum, maximum and average. • Local recording with pause, resume, playback and full history. • User-started recording continues with the screen locked or another app open. • Names, notes, tags, date filters and search. Location is optional. PRO: ONE PURCHASE. NO SUBSCRIPTION. • Photo sound cards: combine a photo, statistics and curve in a PNG. Preview before sharing. • Scene archives: collect observations of the same room, device or place. Filter by date and search. • Timed stop: choose a duration or end time, then start recording yourself. • Monitoring recap and sound timeline: find loud moments, threshold events and the longest low-noise interval. Locate and replay selected clips. • Before-and-after comparison: compare changes and the share of recording time above your chosen threshold. • Recording spectrum: explore relative frequency levels in saved audio and export spectrum CSV. • Share audio and clips; export PDF, CSV, recap images and multi-record reports. Remove ads and unlock advanced reminders. No registration. Recordings and records stay on your device. You decide what to share. The free version includes optional advertising services. Declining tracking does not affect basic recording. Readings are uncalibrated reference estimates affected by the device, microphone and environment. Not for professional, medical or legal evidence use. Photo cards are static images without playable audio. Advanced analysis, scene archives, timed stop and sharing/export require the Pro in-app purchase.

在这里你可以连接上音箱，里面有许多功能，比如音乐，麦克风，吉他音量都是可以调节的。在个别界面还有均衡功能，也还有见红音效，高中低音等。 让你无须接触蓝牙音箱，在一定距离内就可以控制音箱了。