Broadcast-grade loudness, in full studio quality — on iPad. loudness METER PRO by pegelWERK is the professional loudness meter to EBU R128 / ITU-R BS.1770-4 — the full-feature iPad edition with goniometer, speech clarity and loudness forecasting. Built for sound engineers, broadcast professionals, mastering studios and podcast producers who need a reliable loudness standard on iPad — as a primary tool or a trusted second reference next to the studio setup. LIVE METERING • Momentary LUFS (400 ms window) • Short-term LUFS (3 s window) • Integrated LUFS over the full measurement • Loudness Range (LRA) per EBU Tech 3342 • True Peak per ITU-R BS.1770-4 with 4× oversampling • PSR (Peak-to-Short-term Ratio) • PLR (Peak-to-Loudness Ratio) • PPM bargraphs for peak levels STEREO ANALYSIS • Goniometer for stereo image • Correlation indicator • Real-time phase monitoring SPEECH CLARITY • Real-time speech intelligibility index • Frequency-based (consonant vs vowel energy) • Direct feedback for spoken-word and voiceover sessions LOUDNESS FORECASTING • Forecast Final — predicted Integrated LUFS at program end • Correction Factor — recommended dB level adjustment • 30 s Trend — vs overall average • Configurable program duration with live countdown ANALYTICS • Real-time FFT spectrum (20 Hz – 20 kHz) • Loudness histogram • LRA histogram • R128 gating histogram • Statistics panel with max, min, average WORKFLOWS • File player for offline analysis of single audio files • Batch analysis of multiple files at once • PDF report with loudness timeline, statistics and compliance check • XML export for archival and re-import • MIDI remote control with LEARN mode for every button • GPI remote for broadcast-desk integration • Three layout modes: All / Live / Analytics PROFESSIONAL USE • Radio + TV: compliance check on location • Podcast: mastering to streaming-platform specs • Mastering: final loudness against reference • Recording: A/B comparison between takes • Voiceover: speech-clarity monitoring during recording • Live broadcast: continuous loudness monitoring with MIDI / GPI triggers WHY LOUDNESS METER PRO • Native iPad app, optimised for touch + studio workflows • Dark and light mode • Works immediately — no login, no account, no cloud required • One-time purchase — no subscription loudness METER PRO brings the identical DSP engine of the pegelWERK desktop application to iPad. Same measurements, same standard — refined interface for the mobile studio workflow. pegelWERK — Pro Audio Software.
Music · iPhone, iPad · $22.99
