---
title: Audio and Podcast Delivery Guides | BlazingCDN Blog
description: "Podcast hosting, internet radio and music streaming delivery: Icecast, audio codecs, RSS downloads at scale and caching long-tail episode libraries."
---

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# Audio, Podcast and Radio Delivery

Audio looks small per file, but it adds up fast: one million downloads of a 60 MB episode is about 60 TB. This section is for podcast hosting platforms, podcast networks, internet radio operators, audiobook and music streaming teams, and the platform engineers who keep their downloads and streams fast worldwide.

Articles cover progressive download vs HLS audio, Icecast and SHOUTcast streaming, AAC, Opus, MP3 and FLAC, RSS feed and enclosure delivery, analytics-friendly redirects, and cache rules for large back catalogs where almost every request is static. Because most audio is cacheable, a CDN can serve nearly all of it from the edge instead of the origin. For the bandwidth math across formats, see [bandwidth and costs](https://blog.blazingcdn.com/bandwidth-costs?hsLang=en).

### [![](https://blog.blazingcdn.com/hubfs/Gemini-Blog/image-Oct-26-2026-08-30-19-3605-AM.jpeg) By BlazingCDN October 26, 2026 What Is FLAC? Lossless Audio Streaming Explained](https://blog.blazingcdn.com/en-us/what-is-flac-lossless-audio-streaming-explained?hsLang=en)

### [![](https://blog.blazingcdn.com/hubfs/Gemini-Blog/image-Oct-24-2026-07-30-20-0452-AM.jpeg) By BlazingCDN October 24, 2026 What Is the Opus Codec? Low-Latency Audio Explained](https://blog.blazingcdn.com/en-us/what-is-the-opus-codec-low-latency-audio-explained?hsLang=en)

### [![](https://blog.blazingcdn.com/hubfs/Gemini-Blog/image-Oct-23-2026-07-30-16-9541-AM.jpeg) By BlazingCDN October 23, 2026 What Is AAC Audio? AAC vs MP3 vs Opus for Streaming](https://blog.blazingcdn.com/en-us/what-is-aac-audio-aac-vs-mp3-vs-opus-for-streaming?hsLang=en)

### [![](https://cdn.leonardo.ai/users/50b20153-23ad-4a4e-9850-7b347a32af23/generations/871d381d-2fbb-49d1-8fa1-1972d7f588b1/Leonardo_Phoenix_10_Create_text_banner_1_wordCDN_for_Music_Str_0.jpg) By BlazingCDN October 15, 2025 CDN for Music Streaming Platforms](https://blog.blazingcdn.com/en-us/cdn-for-music-streaming-platforms?hsLang=en)

### [![](https://blog.blazingcdn.com/hubfs/Gemini-Blog/image-May-29-2026-01-34-06-5834-AM.png) By BlazingCDN August 29, 2024 6 Best Audio CDN Services in 2026 for Faster Streaming](https://blog.blazingcdn.com/en-us/top-6-cdn-for-audio-delivery?hsLang=en)

### [![](https://blog.blazingcdn.com/hubfs/Gemini-Blog/image-May-10-2026-11-24-39-9489-AM.png) By BlazingCDN August 08, 2024 CDN Optimization for Audio Streaming Services: 11 Proven Tactics for Faster Playback in 2026](https://blog.blazingcdn.com/en-us/cdn-optimization-for-audio-streaming-services?hsLang=en)

### [![](https://blog.blazingcdn.com/hubfs/AI-Generated%20Media/Images/Boosting%20App%20Downloads-1.jpeg) By BlazingCDN June 19, 2024 CDN Optimization for Audio Streaming Services in 2026: 11 Proven Ways to Cut Buffering and Boost Playback](https://blog.blazingcdn.com/en-us/cdn-optimization-for-audio-streaming-services-a-comprehensive-guide?hsLang=en)

## What delivery costs at 25, 50 and 100 TB a month

BlazingCDN bills per terabyte delivered, with progressive tiers from $5.00 down to $2.50 per TB and one rate in the US, Europe and Asia.

| Monthly traffic | BlazingCDN | Effective per TB |
| --- | --- | --- |
| 25 TB | $115 | $4.60 |
| 50 TB | $215 | $4.30 |
| 100 TB | $415 | $4.15 |

[Calculate your monthly cost](https://blazingcdn.com/cdn-cost-calculator/?utm_source=blog&utm_medium=hub&utm_campaign=blog_hub)  ·  [CDN for audio and streams](https://blazingcdn.com/streaming-cdn/?utm_source=blog&utm_medium=hub&utm_campaign=blog_hub)

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