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audio bitrate

YouTube Live Stream Audio Bitrate and Sample Rate Settings

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For a standard stereo YouTube Live stream, set audio to 44.1 kHz and 128 kbps. For a 5.1 surround stream, use 48 kHz and 384 kbps. These are YouTube’s recommended live-encoder settings; the exact controls and defaults vary by encoder.

YouTube Live audio settings at a glance

Audio layout Sample rate Audio bitrate RTMP/RTMPS codec notes
Stereo 44.1 kHz 128 kbps AAC or MP3
5.1 surround 48 kHz 384 kbps AAC only

YouTube lists these recommendations for RTMP/RTMPS ingest, and repeats the same rates and bitrates for HLS. The figures are YouTube Help guidance checked on October 3, 2026; recheck its documentation if you are configuring a stream later, as recommendations can change. YouTube Live encoder settings

What audio bitrate should you use for YouTube Live?

For stereo, use 128 kbps. For 5.1 surround, use 384 kbps. Choose the setting that matches the channel layout you are actually sending. A higher bitrate by itself does not turn stereo into surround sound, and the cited guidance does not say that one layout is universally better.

44.1 kHz or 48 kHz for YouTube streaming?

Use 44.1 kHz for the recommended stereo configuration and 48 kHz for the recommended 5.1 configuration. Sample rate describes how often the audio signal is sampled; bitrate describes how much data is allocated to the encoded audio each second. These are separate settings, so set both to match the intended layout.

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Choose audio codec and ingest protocol

RTMP or RTMPS

YouTube lists AAC and MP3 for RTMP/RTMPS audio. For 5.1 over these protocols, YouTube specifies AAC only. YouTube recommends RTMPS, the secure extension of RTMP, and says it transcodes incoming live streams into multiple output formats for viewers. See YouTube’s RTMP/RTMPS encoder guidance.

HLS

YouTube’s HLS guidance lists AAC, AC3, and EAC3 audio codecs and the same recommended rates and bitrates for stereo and 5.1. HLS delivers video in segments and has higher latency than continuous RTMP/RTMPS delivery. The reviewed HLS instructions call for 1–4 second segments and a rolling playlist with no more than five outstanding segments. Use HLS-specific requirements if your encoder is configured for that ingest method rather than assuming RTMP/RTMPS details apply unchanged. YouTube HLS ingest guidance

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Set up and check audio before going live

  1. Match your encoder to the production. Choose stereo or 5.1 based on the audio mix you intend to send, then set its sample rate, bitrate, and supported codec accordingly.
  2. Run a representative test. Include audio and video movement similar to the planned event. YouTube’s guidance says: “Make sure to test before you start your live stream. Tests should include audio and movement in the video similar to what you’ll be doing in the stream.” YouTube Help
  3. Check stream health and messages. While live, monitor YouTube’s stream-health information and review any warnings or messages so you can respond to a detected issue.

YouTube’s cited setup guidance does not prescribe a particular microphone, audio interface, mixer, or other physical device for these checks. This article covers live ingest settings, not separate recommendations for encoding videos uploaded to YouTube.

Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.Support on Ko-Fi

Keep a pre-recorded YouTube stream running continuously

If your goal is a 24/7 YouTube stream built from uploaded recordings rather than a live camera production, StreamNeo is a cloud option: upload a recording or build a playlist, add your YouTube stream key once, and go live. It loops the uploaded videos from the cloud, so your computer and home connection do not need to stay on. StreamNeo is for YouTube streams and uploaded videos, not camera feeds.

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Or let it run in the cloud

Upload your video or playlist, add your YouTube stream key, and go live. Nothing has to stay on at home; videos stream as uploaded at any quality up to 4K 60fps for one flat price per slot, with automatic recovery if YouTube drops the stream. The first day is free with no card. Monthly pricing is $9.99 per month. Start your free day with StreamNeo.

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