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Softvelum: efficient tools to build your streaming networks

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Subtitles often need to move between different delivery formats. A broadcast input may already carry CEA-708 closed captions inside the video elementary stream, while web and OTT players usually expect WebVTT tracks in HLS. In other workflows, WebVTT may be created by an automatic speech recognition engine or received from an upstream HLS source, but the target playback proto...


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If you’ve been running WebRTC delivery with Nimble Streamer, you know that audio codec mismatches have historically been one of the most common reasons you’d need transcoding in your pipeline. The WebRTC playback – including WHEP – expects Opus audio. Most ingest protocols, until no...


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