AAC Streaming

Icecast-compatible AAC streaming audio hosting from our leading-edge CDN.
Trusted by stations globally.

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Broadcast AAC and AAC+ streaming audio online

Our Icecast-compatible global streaming network offers industry-leading reliability and compatibility with AAC codecs, delivering the highest quality audio to your listeners.



Radio Mast provides a complete ecosystem for online AAC streaming

Streaming AAC Encoder

Our streaming audio encoder, Rocket Broadcaster, provides rock solid AAC, AAC+, and HE-AAC v1 audio, is used by thousands of radio stations globally. Turn any live audio into an AAC stream with Rocket Broadcaster.

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AAC Stream Hosting

Radio Mast provides AAC stream hosting for radio and live events. Our unique streaming network globally distributes your stream to provide reduce dropouts and provide a stutter-free experience for your listeners.

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AAC Stream Monitoring

Get instant downtime alerts when your stream is down. Let our silence detector notify your engineering staff when your AAC stream is down.

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Advantages of AAC over MP3 Streaming

AAC offers superior sound quality at lower bitrates, which both lowers delivery costs and improves audio quality for your listeners. AAC is compatible with all modern Android and iOS devices, smart speakers, smart TVs, and other devices. AAC can give your radio station an edge with superior sound quality.

What are AAC+ and HE-AAC?

High-Efficiency AAC (HE-AAC) is an extension to the AAC codec, which further optimizes the codec for low-bitrate streaming (less than 128 kbps). Low bitrate streams are more reliable on mobile devices as mobile network bandwidth can vary significantly depending on cellular coverage. HE-AAC v1 provides improved sound quality at lower bitrates by removing high frequencies during encoding, and then resynthesizing these during playback using a technique called Spectral Band Replication (SBR).

HE-AAC v2 (AAC+) adds another optimization for low bitrates called "Parametric Stereo", which encodes the audio as a single mono channel, which is used to synthesize a stereo signal. The result is that convincing stereo audio is achieved at much lower bitrates than were previously possible, although with lower reproduction accuracy. This tradeoff makes AAC+ an excellent choice for streaming radio.


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Streaming Audio Codecs Explained

Is AAC the best codec for online streaming? Find out how AAC compares to other codecs...

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per month

  • 400 listener slots
  • Up to 192 kbps
  • Email support
Try for Free



per month

  • 800 listener slots
  • Up to 192 kbps
  • Email support
Try for Free



per month

  • 1600 listener slots
  • Up to 192 kbps
  • Email support
Try for Free
All streaming plans include:
Best-in-class Compatibility
  • Stream as AAC, AAC+, HE-AAC v1, MP3, Opus, Ogg Vorbis
  • Secure HTTPS streaming - No broken lock symbols
  • Playback on iOS, Android, desktop browsers, smart speakers, and more.
Superior Reliability
  • 99.99% Uptime SLA
  • HLS for a better mobile listening experience
  • Distribution through our Global Streaming Audio Network
  • Redundant servers with automatic failover
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Create your AAC stream today

High Capacity AAC Streaming: Need to stream to thousands or tens of thousands of listeners? Contact us for pricing.