Error burst detection

Details Error burst detection Error burst detection

1993-09-28

1995-05-16

Gordon, Paul P.

Excavating

371 31, G06F 1100, G06F 1110, H04L 100, H03M 1312

Patent

active

054167884

ABSTRACT:
A modulated signal carrying speech or other digitally coded information is demodulated and a likelihood signal 1(t) is produced in a Viterbi decoder for each demodulated symbol, indicating its reliability. This is used to update probabilities (P.sub.g (t), P.sub.b (t) of the transmission channel being in a relatively error-free or error-prone state, using a Viterbi algorithm, in dependence on stored parameters representing estimates of the probability transitions between the states. A decision signal E(t) is generated dependent on the relative magnitudes of the probabilities P.sub.g (t), P.sub.b (t). The result may be used to inhibit the use of the affected bits, e.g. by supplying a speech decoder with parameters from an earlier speech frame.

REFERENCES:
patent: 4802171 (1989-01-01), Rasky
patent: 4967413 (1990-10-01), Otani
patent: 5233349 (1993-08-01), Moulsley

Affiliated with

Also associated with

Rating

Error burst detection does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Error burst detection, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Error burst detection will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-643903