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FAQs
  • How is Phenix real-time streaming different from off the shelf WebRTC?
  • How does Phenix scale WebRTC to millions?
  • What is the difference between a CDN and Phenix?
  • What is the difference between a Channel and a Room?
  • Does Phenix encrypt its Real-Time streams?
  • How does Phenix define Real-Time vs Low Latency?
  • How does Phenix compare with technologies such as CMAF?
  • On which cloud platforms is the Phenix platform deployed?
  • What is the recommended minimum hardware spec for devices to publish from a web browser to Phenix?
  • What WebSocket reconnect mechanisms are built into the Web SDK?
  • What are the benefits of the Phenix hardware encoder?
  • How does Phenix multi-bitrate transcoding work and how do I enable it?
  • What bitrates are used for encoding and publishing?
  • How does Phenix adapt to challenging network connections?
  • How does Phenix handle rapid join rates and broadcast size audiences?
  • Where can I see the status of the Phenix system?
  • When do sessions and sessionIds expire?
  • What is the digest field portion of the Auth token?
  • Which video players support Phenix?
  • Which capture devices are compatible with Phenix?
  • Where can I find documentation of the text chat feature?
  • What size and bitrate should I use for publishing?
  • Does Phenix provide a video player?
  • What effects will 5G have on Phenix?

Which capture devices are compatible with Phenix?

The Phenix platform is compatible with a number of external capture devices and internal capture cards. However, some makes and models have a built in scaler, while others do not. This results in different signal conversion capabilities.

For example, devices with built in scalers can typically perform automatic deinterlacing, color adjustment, color space conversion, cropping, frame rate and resolution changes without user interaction or configuration.

Devices that do not have built in scalers may still be utilized to publish to the Phenix platform, but they require the output signal from the camera or production setup to precisely match the requested parameters for publishing including:

  • Resolution

  • Frame rate

  • Interlace mode

For example, if a professional camera outputs 59.94i or 59.94 interlaced fields per second, the frame rate must be set to 29.97 fps for capture without a scaler. If a camera outputs 25 progressive fields per second, frame rate must be set to 25 fps without a scaler.

Devices With Built In Scalers

  1. Magewell USB Capture Family - Phenix recommended - See joint case study for automatic signal conversion when publishing to Phenix with Magewell capture devices

  2. Inogeni SDI to USB and HDMI to USB Capture

  3. Decimator HDMI / SDI Cross Converter - Great tool for converting signals when ingesting via capture card without a built in scaler

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