Observed arrival · 2026-10-28

Echo Audio Lab measures, cleans and exports audio in-browser

echoaudiolab.com Visit website

Editorial interest 77/100 Selection signal · not a rating of the site

A browser-based audio tool for checking loudness and spectrum, cleaning recordings, and exporting WAV files.

Landing page captured for the 2026-10-28 issue.

For: Podcasters, voice-over artists and video editors
Worth noticing: Its loudness estimate uses K-weighting and gating; the spectrogram is described as a 2,048-point FFT with 75% overlap.

Field notes

The measurement panel reports peak, RMS and integrated loudness estimates, with K-weighting and gating described as BS.1770-style. Its spectrogram uses a 2,048-point FFT, Hann window and 75% overlap; the page says WAV export preserves the source sampling rate and channel count. Free access includes 16-bit PCM and one saved preset, while batch processing and 24-bit export appear in Pro or Studio plan details.

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Editorial observations of this landing page, not a rating.

○OpenPublic substance visible

$PaidCommerce or pricing visible

✦PrettyNotable craft visible

◎NicheUnusually specific use

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