Live audio streaming with HLS (HTTP Live Streaming) is a way to listen to audio in real-time over the internet. It allows you to listen to audio as it is being broadcast, rather than having to wait for the entire audio file to download before you can start listening.
To stream live audio using HLS, a special server is used to send the audio data to listeners in the form of an HLS stream. The server creates small audio files, known as "segments," and sends them out to listeners as they are generated.
To listen to the live audio stream, you will need a device or player that is capable of receiving and playing back the HLS stream. This could be a web browser with an HLS plugin, a mobile device with an HLS app, or a standalone HLS player.
In this quick tutorial, I showed how live audio streaming works utilizing the HTTP Live Streaming protocol. Audio streaming is pretty similar to video streaming. For Spotify and all other audio platforms, the idea is pretty similar. HLS works cool for both audio and video streaming though.
The command for addaptive bitrate audio streaming when you have a audio file named song1.mp3:
ffmpeg -i song1.mp3 -map 0 -map 0 -c:a aac -b:a:0 320k -b:a:1 128k -var_stream_map "a:0,name:320k a:1,name:128k" -master_pl_name song1_manifest.m3u8 -f hls -hls_flags single_file -hls_playlist_type vod -hls_segment_filename "song1_%v/classroom.ts" song1_%v/index.m3u8
Watch the full tutorial to learn live audio streaming with a practical example. and let this video be the first tutorial on building your audio streaming services.
Use adaptive bitrate for best user experience for live audio streaming and HLS protocol is always one good option for you.
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