Highly efficient encoding apparatus

Details Highly efficient encoding apparatus Highly efficient encoding apparatus

1992-01-30

1994-05-31

Oberley, Alvin E.

Communications: radio wave antennas

Antennas

Balanced doublet - centerfed

348415, H04N 712

Patent

active

053173961

ABSTRACT:
The complication of a pattern of each macro block is predetermined by feed-forward. When a macro block is determined as a complicate pattern, a particular value is added to a quantizing step width and thereby the quantizing step width is increased. Since the quantizing step width of macro blocks of complicate patterns is increased, the amount of data which is generated for macro blocks of non-complicate patterns is increased. Thus, excessive bits which are generated due to suppression of the amount of data for macro blocks of complicate patterns are assigned to those of non-complicate patterns.

REFERENCES:
patent: 4797945 (1989-01-01), Suzuki et al.
patent: 4965754 (1990-10-01), Stansfield et al.
Jayant, "Digital Coding of Waveforms", 1984, pp. 188 to 199 and 290 to 301.
Patent Abstracts of Japan, vol. 13, No. 128 (E-735) Mar. 29, 1989 & JP-A-63 296 583 (Fujitsu) Feb. 5, 1993 Dec. 1988.
Patent Abstracts of Japan vol. 7, No. 88 (E-170) (1233) Apr. 12, 1983 & JP-A-58 014 688 (Nippon Denshi Denwa Kosha) Jan. 27, 1983.

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