Audio

About this collection

Audio is a specific area of Audio & Subtitles, part of Media Tools, and includes 32 curated resources.

Resources (showing 1–24 of 32)

• AAC Audio Coding Standard - ISO/IEC 14496-3Defines the compressed audio format AAC
• Audio Loudness (Google Conversational Actions)Google developer tool for analyzing and measuring audio loudness levels in media content to meet broadcast and platform-specific audio stan…
• Audio normalization with ffmpeg using loudnorm (ebur128) filterTutorial on using FFmpeg's loudnorm filter based on EBU R128 standards to normalize and adjust audio levels in media files.
• AudioSeal — localized audio watermarkingMeta's localized sample-level audio watermarking with fast detector, robust to compression/re-encoding; MIT with weights.
• Cavern — object-based audio engine (Atmos render)Object-based audio engine and codec pack: Dolby Atmos rendering, HRTF, room correction, unlimited objects (C#).
• DASH-IF Interoperability Guidelines Part 8: Audio v5.0.0Authoritative next-generation audio guideline covering AC-4 CMAF media profiles, E-AC-3+JOC signalling with the 'ceao' brand, CMAF audio pr…
• EBU ADM Guidelines and Example FilesEBU hub for Audio Definition Model guidelines, sample ADM/BW64 files and the ADM Production Profile for practical broadcast interchange.
• EBU ADM Renderer (EAR)EBU's reference implementation of ADM rendering (Tech 3388) in Python, shipping ear-utils CLI tools including dump_axml, dump_chna, ambix_t…
• EBU EAR Production SuiteFree plugin suite implementing the EBU ADM Renderer inside REAPER for authoring and monitoring object-based / next-generation audio.
• EssentiaC++ audio/music analysis library with a large algorithm set for spectral/tonal/rhythm descriptors, Python bindings, and an essentia.js WASM…
• Fraunhofer xHE-AAC White PaperTechnical white paper on xHE-AAC for streaming: immediate playout frame signalling in SyncSampleBox, LATM/LOAS transport, mandatory MPEG-D…
• How to Set Audio Levels for VideoBad sound can easily ruin good footage. Use these tips when it comes time to set audio levels for video and film projects.
• Introducing an Open Source DAW Plugin for Eclipsa Audio (IAMF)June 2025 announcement of an open source DAW plugin for authoring IAMF/Eclipsa immersive audio, including the YouTube ingest path.
• Low Latency Android iOS Linux Windows tvOS macOS Interactive Audio Platform🇸Superpowered Audio, Networking and Cryptographics SDKs. High performance and cross platform on Android, iOS, macOS, tvOS, Linux, Windows…
• RNNoiseXiph's RNN-based real-time noise suppression library for speech, operating on 16-bit 48kHz PCM with a CLI example included.
• aubioC library with Python bindings for audio/music analysis: onset detection, pitch tracking, tempo/beat detection, and MIDI-from-audio convers…
• audio-loudness-batch-normalizeRust CLI for batch EBU R128 loudness normalization, fast alternative to ffmpeg loudnorm scripting.
• audiowmark — robust audio watermarkingRobust blind audio watermarking that survives mp3/ogg re-encoding at ≥128kbit/s, with tunable strength.
• ebur128 — Rust EBU R128 Loudness LibraryRust port of libebur128 for loudness measurement, passing EBU-TECH 3341/3342, C-ABI compatible.
• exhale — Open Source xHE-AAC (USAC) EncoderUpstream repository for exhale, an open-source ISO/IEC 23003-3 USAC/xHE-AAC encoder that writes DRC peak and loudness metadata and supports…
• fdk-aacStandalone Fraunhofer FDK AAC codec library (from Android AOSP) supporting AAC-LC/HE-AAC/HE-AACv2/LD/ELD encode and decode, commonly paired…
• iamf-tools (AOM)Alliance for Open Media's Immersive Audio Model and Formats encoder/tools, CLI-encoding WAV or ADM-BWF into the IAMF container — an open al…
• libadmC++11 library to parse, create, and write ITU-R BS.2076 Audio Definition Model (ADM) XML, pairing with libbw64 for BW64/BWF file I/O — a bu…
• libebur128An open source C library implementing the EBU R128 loudness standard. It can be used to measure and normalize audio loudness (LUFS) for bro…