Method of transmitting audio information and additional informat

Details Method of transmitting audio information and additional informat Method of transmitting audio information and additional informat

1986-05-21

1988-06-07

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

370118, H04J 302

Patent

active

047501731

ABSTRACT:
The invention relates to a method of transmitting audio information in digital form, in which for the transmission of additional information in digital form data bits of said additional information replace one or a plurality of least significant bits in every n.sup.th code word of the audio information. For this purpose one or a plurality of least significant bits of the audio information in every n.sup.th code word is/are replaced in predetermined manner by additional information bits, the number of bits being replaced depending on the value of the instantaneous code word of the audio information. This dependence is such that for larger values of the audio information more bits are replaced than for smaller values.

REFERENCES:
patent: 4354265 (1982-10-01), Nyberg et al.
patent: 4377860 (1983-03-01), Godbole

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