Difference between revisions of "Analog Video Output"

From BATC Wiki
Jump to navigation Jump to search
(Created page with "Software update 201707120 introduces an Analog PAL Video Output mode. This is particularly useful for driving analog video transmitters when operating portable without the ne...")
 
Line 1: Line 1:
Software update 201707120 introduces an Analog PAL Video Output mode.  This is particularly useful for driving analog video transmitters when operating portable without the need for an additional camera or test card generator.
+
Software update 201707120 introduces an Analog PAL Video Output mode.  In update 201707311 audio routing from the USB microphone to the RPi audio output was added.  This mode is particularly useful for driving analog video transmitters when operating portable without the need for an additional camera, test card generator or microphone.  
  
The Composite video output mode can be selected from the "Output" menu on the console, or from Menu 2 on the touchscreen.  The camera output works best if you have previously selected an SR of 2000 or above - it just means that another part of the software does not automatically down-scale the video.
+
The Composite video output mode can be selected from the "Output" menu on the console, or from Menu 2 on the touchscreen.   
  
Not that the video on the analog output is smooth, not jerky like the viewfinder which is limited to a slow refresh rate.
+
Note that the video on the analog output is smooth, not jerky like the viewfinder which is limited to a slow refresh rate.
  
 
Rather than reproduce the connection details, here is a link to a good website describing the pin connections on the 4-terminal 3.5mm jack. http://www.instructables.com/id/Raspberry-Pi-2-Quick-n-Easy-RCA/  It should be noted that there is no standard connection for this jack - do not assume that the lead you have in the junk box will be correct!
 
Rather than reproduce the connection details, here is a link to a good website describing the pin connections on the 4-terminal 3.5mm jack. http://www.instructables.com/id/Raspberry-Pi-2-Quick-n-Easy-RCA/  It should be noted that there is no standard connection for this jack - do not assume that the lead you have in the junk box will be correct!

Revision as of 20:55, 1 August 2017

Software update 201707120 introduces an Analog PAL Video Output mode. In update 201707311 audio routing from the USB microphone to the RPi audio output was added. This mode is particularly useful for driving analog video transmitters when operating portable without the need for an additional camera, test card generator or microphone.

The Composite video output mode can be selected from the "Output" menu on the console, or from Menu 2 on the touchscreen.

Note that the video on the analog output is smooth, not jerky like the viewfinder which is limited to a slow refresh rate.

Rather than reproduce the connection details, here is a link to a good website describing the pin connections on the 4-terminal 3.5mm jack. http://www.instructables.com/id/Raspberry-Pi-2-Quick-n-Easy-RCA/ It should be noted that there is no standard connection for this jack - do not assume that the lead you have in the junk box will be correct!