MP3 Normalizer improves the quality of MP3 files. It amplifies too quiet audio or decreases the volume of too loud files or their parts automatically. It also smoothes sound peaks and clicks in MP3 tracks.




MP3 Normalizer improves the quality of MP3 files. It amplifies too quiet audio or decreases the volume of too loud files or their parts automatically. It also smoothes sound peaks and clicks in MP3 tracks.




The sigrok project aims at creating a portable, cross-platform, Free/Libre/Open-Source signal analysis software suite that supports various device types (e.g. logic analyzers, oscilloscopes, and many more).

Smart Tools is a complete package of 5 app sets. It includes 5 Pro sets for a total of 15 tools. In a word, All-in-One.




Simple, always ready menubar app that allows you to switch quickly between available input and output devices*


AudioTools is a suite of professional-grade audio and acoustic analysis apps. Included in the price of this app is a great collection of professional tools.




You can measure the environmental noise in decibels. Sound Level Meter is the part 4. of Smart Tools series. (noise)
Acoustimeter uses your phone mic to measure noise volumn in decibels(dB) and shows a reference. SPL(sound pressure level) noisemeter.
REMEMBER!! The most of the.


ppmBatch allows you to analyze and normalize your audio files according to various broadcasting loudness standards. It batch processes files in multiple real time and provides intuitive user feedback about each file's compliance status and processing progress.

Decibel X is one of very few noise meter apps with highly reliable, pre-calibrated measurements and supports dB468, dBA, dBC. It turns your mobile device into a professional sound level meter, precisely measures the sound pressure level (SPL) all around you.




A smart sound level meter app for Android. Sound Meter is a decibel meter using the Android device's built-in microphone to measure sound volume in decibels (dB) and also displays samples on graph.


Monitor microphone audio levels directly from your Mac's menu bar with real-time feedback and intuitive, color-coded indicators.

