Telestream Lightspeed Live StreamTelestream Lightspeed Live Stream

Telestream Lightspeed Live Stream

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Telestream Lightspeed Live Stream | Live Multiscreen Encoding, Packaging and Deployment

Multiscreen Encoding with Access to Vantage Workflow

Telestream Lightspeed Live Stream is an enterprise-class live streaming system. It can ingest, encode, package and deploy multiple sources to multiple destinations. Lightspeed Live Stream provides exceptional quality and adaptive bitrate encoding for SD, HD, UHD sources into AVC (H.264) and HEVC (H.265). Thanks to a mixture of hardware and software this system combines multiple CPU/GPU cores as well as targeted ASIC CODEC acceleration to deliver flexible and efficient encoding performance.

Output can be delivered via RTMP to platforms such as YouTube and Facebook, as well as ATS, HTTP Live Streaming (HLS), MPEG DASH, and CMAF packages and MP4/MP3 files. Different options for packaging are integrated HLS, MPEG DASH, and CMAF. As for the security of the stream, encryption and DRM of output streams is also supported. With regards to the delivery Lightspeed Live can deploy via RTMP, ATS, SRT local origin, to CDNs and OVPs (online video platforms).

Telestream Lightspeed Live Stream ChartTelestream Lightspeed Live Stream Chart

Live Sources:

  • HD-SDI (3Gb level A) up to 8 HD (1080 50/60p) or up to 2 UHD/4k (up to 2160 50/60p)
  • AES Embedded Audio up to 16 channels


  • MPEG-2 Transport Stream (SPTS, MPTS)
  • MPEG-2 and AVC (h.264) Video
  • SMPTE 302M, MPEG Layer2, AAC, AC-3, EAC3 Audio
  • RTMP TCP protocol support for source input—including support for Wirecast RTMP input

Content file sources:

  • Stills/Slate (TIFF, PNG, JPEG, GIF, and BMP)
  • Logos w/alpha (TIFF, PNG, GIF, and BMP)
  • Animations w/ alpha (ProRes and .MOV)
  • Local clips (ProRes and .MOV)
  • Playlists in the form of .smil files
  • Audio (formats: AIFF, WAV, MP3)


  • AVC (h.264 up to 4k 4:2:0 10bit) CPU and GPU
  • HEVC (h.265 up to 4k Main 10bit) CPU, GPU & ASIC
  • AAC LC, HEv1, HEv2
  • AC3
  • MP3
  • HDR10, HLG

Audio Processing:

  • Channel Mapping
  • Multi-language
  • Mixing/Mixdown
  • 5.1/Stereo/Mono
  • Audio only renditions


  • Web VTT
  • CEA-608/CEA-708 passthrough
  • Burn-in
  • Receive live caption input from a Remote Court Reporter via IP

Packaging and Delivery:

  • RTMP
  • HLS
  • CMAF
  • HTTP Origin
  • HTTP Push to CDN
  • Facebook Live, YouTube Live


  • Web UI with integrated multi-system management
  • Integrated thumbnail, video & audio stream monitoring
  • SNMP monitoring
  • Template based program creation, encoding and packaging
  • Management authentication
  • 1+1 active-active redundancy
  • n+1 active-passive redundancy
  • Redundant contribution to CDN/OVP

Video Processing:

  • Choice of 8-bit and 16-bit processing
  • Deinterlacing
  • Scaling
  • Frame rate conversion

Segment triggers & Channel Security:

  • Time of day
  • Events
  • SCTE35/104
  • Recurring events
  • Calendar-based channel scheduling

Restful API

  • Status monitoring
  • Control & scheduling
  • Manual triggering
  • Metadata insertion & management