It had largely been designed to transmit human voices successfully, and relied on non-linear encoding schemes that weren’t friendly to digital signals.

This multibyte encoding scheme has the convenient property of not changing the original character values when dealing with 7-bit ASCII text.

Does PIE encoding emit more or fewer pulses of energy than Manchester encoding? —Name withheld ——— Pulse interval encoding (PIE) is a method of transmitting data to an RFID tag by emitting pulses of ...