Encoder’s Spare Channel Embeds Whole-House Stereo Audio in Satellite Set-Top-Box Designs Stably and Cost-Effectively

The novel application of a phase-locked loop allows one channel of the AD71028 BTSC- (Broadcast Television Standards Committee) encoder to derive the primary channel’s master clock, while the other channel provides the Multichannel Television Sound (MTS) stereo-encoded output for satellite set-top boxes and receivers.

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