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Raw Recording File Size and Data Usage
Last Updated: Mar 22, 2018 09:54AM EDT

This article applies to:  Echo360 Admins

Since Echo360's active learning platform is a hosted SaaS platform, you don't need to worry about data storage for your captures. But you will want to know how big the raw media files being transferred from the recording device (the SCHD or the Classroom Capture installation) are.

Keep in mind that these media files are not streamed as they are captured, but are uploaded when the recording is finished. This is important if you have a lot of captured classes that end at the same time; understand that your network will be affected while these files are uploaded to Echo360.

The figures provided on this page represent the total payload of the raw data uploaded to Echo360 at the end of the capture.

SCHD/PRO/POD recording data volume

The following table lists the typical raw recording file sizes for the SCHD, PRO, and POD appliances. As with playback, all recorded files will be at the same quality (either SD or HD). It is not possible to capture some inputs at SD quality and others at HD quality.

All of the figures below are shown in GB/hr. This means that for every hour of recording, the figure given is the raw file size generated for each source.

Source HD 1080 HD SD
Display or Video
(DVI/HDMI)
2.08 1.04 0.66
Composite Video -- 0.50 0.25
Audio -- 0.06 0.06

To determine the total data volume for a given recording, add together the relevant figures from the above table, then multiply by the length of the recording.

Examples:

  • The raw files for a one-hour DVI + Audio recording, captured at a high-definition 16:9 ratio, will have a total uploaded file size of approximately 1.10 GB (1.04 GB display + 0.06 GB of audio).
  • one-hour Composite + Audio recording captured at high-definition will have a total uploaded file size of 0.56 GB (.50 GB video + .06 GB audio).

Classroom Capture recording data volume

The following table lists the typical raw recording data size/volumes for Echo360’s Classroom Capture.

All of the figures below are shown in GB/hr. This means that for every hour of recording, the figure given is the raw file size generated for each source.

Source Highest Quality* High Quality Medium Quality
Display 1.72 0.86 0.25
Video
(USB/Webcam)
-- 1.6 0.24
Audio 0.05 0.05 0.05

* CCAP can capture and deliver display input at 1080p; video input is capped at 720p. See Capturing and Streaming in 1080p.

To determine the total data volume for a given recording, add together the relevant figures from the above table, multiplying by the length of the recording.

Examples:

  • The raw files for a one-hour Audio + Dual Video recording captured at Medium Quality will have a total uploaded file size of approximately .53 GB (.05 audio + .24 + .24 GB video).
  • If the capture is an hour and a half, take .53 x 1.5 = ~.80 GB (it’s actually .795 GB but I like nice round figures).
  • one-hour Display + Audio recording captured at the High Quality setting, will have a total uploaded file size of approximately 0.91 GB (0.86 GB display + 0.05 GB of audio).
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