Audio analysis tool

A file-based audio analysis tool measuring duration, loudness, peaks, and spectral features for creators and engineers.

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About This Tool

This tool accepts audio files and returns objective analysis metrics. It ingests common formats (MP3, WAV, AAC, FLAC) and computes duration, number of channels, and sample rate. It measures loudness using LUFS according to ITU-R BS.1770, reports peak and RMS levels, and derives basic spectral features such as spectral centroid. It also flags clipping and significant silence segments. Conceptually, the tool builds a feature vector from the waveform and spectral content to support QC workflows without modifying the source. Beneficiaries include podcast editors, music producers, broadcast engineers, and researchers who need repeatable measurements across versions and platforms. Unique value lies in combining standard-compliant loudness metrics with fast per-file diagnostics and ready-to-export data for pipelines. Core features include file ingestion, metric extraction, optional per-channel breakdown, and export of results in JSON or CSV for integration into dashboards. Practical use cases include verifying prior to distribution, comparing master versions, or validating loudness normalization targets before mastering. The tool emphasizes reproducibility, domain-standard calculations, and straightforward outputs that fit into existing QA processes.

How to Use

  1. Upload an audio file (MP3, WAV, AAC, FLAC) or provide a URL to the file.
  2. Select analysis scope (LUFS target, per-channel vs. overall metrics, optional silence detection).
  3. Run analysis to compute duration, loudness, peaks, bitrate, sample rate, and spectral features.
  4. Review results in the report and export as JSON or CSV for downstream workflows.
  5. Optionally download a concise summary report for distribution QA.
How to use audio analysis tool

Frequently Asked Questions

Find Quick Answers

What formats are supported?
Supported formats include MP3, WAV, AAC, and FLAC; additional formats may be parsed via fallback decoders, depending on the platform.
Which metrics are returned?
Returned metrics include duration, number of channels, sample rate, bitrate, peak level, RMS level, LUFS loudness, and basic spectral features such as centroid.
Can it analyze streaming audio?
The tool analyzes uploaded or provided files; streaming input is not processed in real time, but uploaded content can be analyzed after download.
What standards govern LUFS?
Loudness is computed per ITU-R BS.1770 guidelines and reported in LUFS to support consistent normalization across platforms.

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