Softvelum adds Opus ingest for zero-transcode WebRTC playback
Softvelum has updated Nimble Streamer to support Opus audio ingest via Enhanced RTMP and RTSP, enabling zero-transcode WebRTC delivery. This feature eliminates the need for audio transcoding when streaming Opus audio to WebRTC WHEP playback endpoints, reducing latency and computational overhead. The update is aimed at simplifying live streaming pipelines for scenarios requiring low-latency delivery.
Key Takeaways
- Enhanced RTMP in Nimble Streamer can now carry Opus audio with AVC/H.264, VP8, VP9, or AV1 video.
- RTSP ingest now accepts Opus audio paired with AVC/H.264, VP8, or VP9 video.
- WebRTC WHEP playback expects Opus, so Nimble can now pass Opus through without an audio transcode step.
- Softvelum says OBS Studio and FFmpeg both support Opus with H.264, VP8, or VP9 for this ingest path.
Why It Matters
For live workflows that end in WebRTC WHEP, Nimble Streamer can now remove the audio transcode step entirely when the encoder sends Opus over Enhanced RTMP or RTSP. That cuts one CPU-heavy hop and avoids the latency added by converting AAC or MP3 to Opus. The broader streaming stack implication is simpler ingest-to-playback routing for low-latency use cases such as auctions, sports commentary, live Q&A, and remote production. Next to watch: whether Softvelum’s setup flow and encoder support, including FFmpeg and OBS Studio, translate into wider Opus use in production pipelines.
Read full article at softvelum.com
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