Adaptive predictive code conversion method of interrupting predi

Details Adaptive predictive code conversion method of interrupting predi Adaptive predictive code conversion method of interrupting predi

1984-07-30

1986-12-02

Gellner, Michael L.

Communications: electrical

Audible indication

Percussion-type sound producer

375 30, 332 11D, 358135, H03K 1322

Patent

active

046268286

ABSTRACT:
In an adaptive encoder encoding an encoder input signal into an encoder output signal by carrying out adaptive prediction, an encoder calculation circuit calculates electric power of an encoder electric signal related to the encoder input signal and the encoder output signal. The adaptive prediction is interrupted by an encoder interruption circuit when the electric power is not greater than a reference electric power. The electric signal may be either the encoder input signal or the encoder output signal. Preferably, a local decoded signal is monitored as the encoder electric signal by the encoder calculation circuit. When adaptive quantization is carried out in the encoder, an adaptive step size may be given as the electric signal to the encoder calculation circuit. An adaptive decoder comprises a decoder calculation circuit for calculating electric power of a decoder electric signal related to either a decoder input signal or a decoder output signal in a manner similar to the encoder calculation circuit. A decoder interruption circuit interrupts adaptive operation in the decoder like the encoder interruption circuit.

REFERENCES:
patent: 4133006 (1979-01-01), Iinuma
patent: 4200886 (1980-04-01), Musmann et al.
patent: 4554670 (1985-11-01), Aiko et al.

Affiliated with

Also associated with

Rating

Adaptive predictive code conversion method of interrupting predi does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Adaptive predictive code conversion method of interrupting predi, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Adaptive predictive code conversion method of interrupting predi will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-2295530