H/W - Frame & Audio - My Explanation

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Frame

  • In the UK, Frames are recorded at 25FPS (frames per second). In each frame, there are two fields. These fields can be interlaced or progressive. When the frames are interlaced, the two fields are scanned one after the other and when the frames are progressive, the two fields are scanned at the same time.
  • Jaggies = Anomalies in displayed images in the frame.
Audio
Image result for vu meter A VU (volume unit) meter


Image result for vu meter A PPM (peak programme meter)

  • For a TV programme, this meter would measure 5.5ppm for voice, 3ppm for SFX and 4ppm for Music.

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