3. The method of claim 1, in which the sample word includes N bits and u bits are unused during said d), further comprising: e) sampling the input data stream to obtain (N-u) bits; and f) combining the (N-u) bits and the u bits to generate a new value for the sample word.
3. The method of claim 1, in which the sample word includes N bits and u bits are unused during said d), further comprising: e) sampling the input data stream to obtain (N-u) bits; and f) combining the (N-u) bits and the u bits to generate a new value for the sample word. 4. The method of claim 3, further comprising repeating said c) and d) with the sample word having the new value.