C920 Webcam
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Using the C920 Webcam With the Portsdown
The Logitech C920 Webcam can be used with the Portsdown transmitter for both video and sound. It can be used in 3 modes: as a normal webcam providing images for MPEG-2 transmission with sound (either SD or 720p), as anormal webcam with H264 SD pictures (but no sound) being encoded by the Raspberry Pi, or using its internal H264 encoder to transmit pictures at SD, 720p or 1080p with sound. For the H264 with sound modes, the bitrate is fixed and the Portsdown MUST be selected to 2MS, 7/8 FEC for this to work.