Format Atlas

Guides

Choose an audio streaming format

Start with listener devices, apps, and platform. Choose a codec separately from the container that carries it.

Which format should you choose?

Choose by the role each file plays in your workflow.

  • Broad playback support → MP3
  • Supported platform → AAC or Opus
  • Opus in Ogg → check codec and container separately
  • Keep a lossless source for editing and archiving

Distinguish codecs from containers

Opus and AAC are audio codecs. A file also has a storage format, so check the accepted extension, service, and player together.

Listen before and after conversion

Sound and file size depend on source, settings, and device. Encode the same source with each option; check volume, silence, tags, and playback on real devices.

Formats to consider

MP3

Good for: Delivery to a broad audience

Less suitable for: Keeping it as the only editing source

AAC

Good for: Streaming on supported devices and platforms

Less suitable for: Distribution without checking container and playback support

Opus

Good for: Streaming where Opus is supported

Less suitable for: Generic delivery without support checks

OGG

Good for: Audio storage where Ogg is supported

Less suitable for: Assuming compatibility without identifying the codec

FLAC

Good for: Lossless audio preservation

Less suitable for: General delivery with tight size limits

Before you export

  • Bit rate alone does not determine perceived quality.
  • Confirm which container and codec the platform accepts.

Related comparisons

MP3 vs OpusMP3 is a lossy audio format with broad support across devices and software. Opus is designed for efficient coding in uses such as voice communication and streaming, including low-latency scenarios. Choose for the delivery environment.AAC vs OpusAAC and Opus are both lossy audio codecs, but their common delivery environments differ. AAC is widely used in media containers and device playback; Opus is often considered for low-latency communication and web delivery.AAC vs MP3AAC and MP3 are lossy audio codecs. Choose by distribution, player, container, and compatibility rather than universal quality claims.Ogg vs MP3Ogg is a container that can carry codecs such as Vorbis or Opus; MP3 is a lossy audio format. The Ogg extension alone does not identify its codec, so check the actual stream and target-player support.

Guides

Choose an audio preservation formatCheck whether you need lossless audio and which tools must read it. FLAC saves space; WAV fits many recording and editing workflows.Choose a video distribution formatChoose the container and the codecs inside it according to the playback destination and production workflow.

References and specifications