"Lossless " means that the output from the decompressor is bit-for-bit identical with the original input to the compressor.
22.
You don't have to distinguish your compressed stream from an identical uncompressed stream because your decompressor will never get an uncompressed stream.
23.
:You could think of the decompressor as a universal interpreter of fixed size, and the compressed text as a program for the interpreter.
24.
Either the decompressor can infer what codebook the compressor has used from previous context, or the compressor must tell the decompressor what the codebook is.
25.
Either the decompressor can infer what codebook the compressor has used from previous context, or the compressor must tell the decompressor what the codebook is.
26.
Hence it's possible that any particular file, even if it appears random, may be significantly compressed, even including the size of the decompressor.
27.
The product includes the hardware-appliance-based compressor, the Ocarina Optimizer, and a real-time decompressor, the software-based Ocarina Reader.
28.
I chose the Microsoft decompressor, on the theory that everybody to whom I would send a video would have it, and set the quality to 75 percent.
29.
The decoder must have the same probability estimation the encoder used, which can either be sent in advance, derived from already transferred data or be part of the compressor and decompressor.
30.
They may then transition to O-mode if a usable return link is available, and the decompressor sends a positive acknowledgement, with O-mode specified, to the compressor.
