SNB Meters vs RF IMD Test

Sound Meter Pro transforms your iPhone into a professional audio measurement tool. Whether you are a musician checking venue acoustics, an audio engineer calibrating equipment, or simply curious about noise levels around you, this app delivers accurate and comprehensive sound analysis. PROFESSIONAL METERING SYSTEMS Choose from 7 different metering standards used by audio professionals worldwide: Decibels (dB SPL) - Measure environmental sound pressure levels from whisper quiet to rock concert loud LUFS - Broadcast-standard loudness measurement with both momentary and short-term readings, following ITU-R BS.1770 specification Peak Level - Track instantaneous signal peaks in dBFS with clipping detection RMS Level - Monitor average power levels with 300ms integration time VU Meter - Classic analog-style metering with authentic ballistics, configurable reference levels (Classic, EBU, Digital) Crest Factor - Analyze dynamic range by measuring the ratio between peak and RMS levels Signal-to-Noise Ratio - Evaluate signal quality against background noise with intelligent noise floor tracking 9 VISUALIZATION STYLES Swipe between different meter displays to find the view that works best for your needs: Bar Meter - Clean vertical level indicator with peak hold Arc Meter - Elegant curved gauge display LED Meter - Segmented display inspired by hardware meters Spectrum Analyzer - 32-band FFT frequency analysis from 20Hz to 20kHz Curve Analyzer - Smooth frequency response visualization History Graph - Real-time scrolling level history Stereo L/R Levels - Dual channel level meters Goniometer - Professional stereo image vectorscope Stereo Width Analysis - Correlation and width measurements RECORDING AND HISTORY Record measurement sessions to track sound levels over time. Each recording captures: Minimum, maximum, and average levels Full sample history for detailed analysis Both dB and LUFS measurements BUILT-IN TONE GENERATOR Generate precise test tones for speaker testing, hearing tests, or equipment calibration: 3 independent oscillators for complex tones Frequency range from 1Hz to 22kHz 6 waveform types: Sine, Triangle, Sawtooth, Square, Pulse, and White Noise Adjustable pulse width for PWM sounds Master volume control PROFESSIONAL CALIBRATION Fine-tune measurements for accuracy: Individual calibration offsets for each metering type 32-band frequency response calibration for spectrum analyzer Stereo channel balance calibration Built-in calibration presets for common microphone types FLEXIBLE AUDIO INPUT Works with various audio sources: Built-in iPhone microphone Bluetooth headsets and microphones USB audio interfaces Wired headset microphones ADDITIONAL FEATURES Multiple visual themes with dark and light options Full-screen meter mode for easy viewing Keep screen awake option for continuous monitoring Portrait and landscape orientation support Real-time sample rate and input device display Quality warnings for limited-bandwidth inputs Sound Meter Pro is designed for anyone who needs reliable sound measurement, from casual users checking noise levels to professionals requiring broadcast-standard metering. Download now and discover the true sound of your environment.

This simple and 100% free RF-coordination app finds you compatible wireless frequencies fast that won't interfere with each other. It also offers clear, informative feedback for audio techs looking to learn more about how RF intermodulation works under the hood.