IEC 60581-12 Ed. 1.0 b:1988

Lays down the minimum performance requirements for the high fidelity sound output of television tuners with or without vision reception facilities, designed for the reception of television emissions according to CCIR systems B, G, H, I, and M, for mono, stereo or dual sound emissions, and primarily intended for high-quality sound reproducing systems for home use. Applies to any equipment containing a TV-tuner function and having facilities for connection to high fidelity audio equipment.