Satellite Tv Audio Switcher

Posted on Jul 7, 2012

Some channels offer a separate audio mode (SAP) in a second language. It is usually transmitted on 6.8 MHz, whi

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ch is the frequency used for unscrambled channels. The audio in the scrambled channels is transmitted along with the picture, so when the descrambler descrambles the signal, it also descrambles the audio in stereo. When the channel offers SAP, you"ll find it on 6.8 MHz. The switches are a pair of DPDT switches that have the toggle handles tied together. In one position, you hear the audio in stereo and in the other position, you hear the SAP. Just turn down the volume level on the TV and you can connect it to a stereo amplifier and a pair of speakers.

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