Variable length code decoding apparatus having parallel start co

Details Variable length code decoding apparatus having parallel start co Variable length code decoding apparatus having parallel start co

1996-10-30

1999-02-02

Williams, Howard L.

Coded data generation or conversion

Digital code to digital code converters

To or from variable length codes

341 50, H04L 700, G06F 300

Patent

active

058671137

ABSTRACT:
The proposed variable length coder can detect the start codes appropriately, while reducing the circuit scale thereof. The variable length code decoding apparatus, comprises: an interface section (2) having a plurality of registers (R20, R21, R22) each having a predetermined number of bits, for storing variable length code data in each of the registers in first-in first-out status; a shift circuit (3) for receiving data transferred from a predetermined number of the adjacent registers of the interface section and for shifting the received data by a number of bits corresponding to an applied shift signal, to select a start code head; and a start code detecting circuit (6) for executing detection operation by receiving data supplied from a predetermined number of the adjacent registers of the interface section, by detecting presence or absence of a start code on the basis the received data kept in byte-aligned status to output a start code presence and absence signal, and by outputting a start code shift length signal indicative of a byte from which a head bit of the start code begins in unit of byte, the start code shift length signal being applied to the shift circuit as the shift signal.

REFERENCES:
patent: 5414468 (1995-05-01), Lee
patent: 5566089 (1996-10-01), Hoogenboom
patent: 5583562 (1996-12-01), Birch et al.
patent: 5642437 (1997-06-01), Laczko, Sr. et al.

Affiliated with

Also associated with

Rating

Variable length code decoding apparatus having parallel start co does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Variable length code decoding apparatus having parallel start co, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Variable length code decoding apparatus having parallel start co will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1121184