Michael Dickens wrote: > On Apr 7, 2006, at 6:49 PM, Charles Swiger wrote: > >> work - cool! (putting skip AFTER inter, deinter). I'll finish the >> test code and move on to Trellis Encoder / Viterbi Decoder. > There is a very fast (SSE,SSE2) viterbi decoder by Phil Karns. (He also wrote a reed-solomon decoder) They are available here: http://www.ka9q.net/code/fec/
Greetings, Martin > > I have a trellis encoder and the V decoder is in debugging (by me) - > hope to have version 1 finished by the end of this weekend. These are > generic encoder / decoder blocks, taking arbitrary # of input streams > and element sizes and reproducing that on the output. Throughput of > the encoder using a (2 output, 2 input, 2 memory / input) code (meaning > 16 states) is around 10 Mb/s without optimizing the programming. As > the decoder isn't operational, I don't know how fast it will be ... but > it's mush more complex than the encoder (no surprise there) and thus > will definitely be slower than the encoder. > > I don't know if these would be of interest for use by ATSC, but I'm > happy to provide them once I know they work. Would also make for good > beta testing ;-) I will provide them to the overall GR project once I > know they work and are reasonable optimized. - MLD > > > _______________________________________________ > Discuss-gnuradio mailing list > Discuss-gnuradio@gnu.org > http://lists.gnu.org/mailman/listinfo/discuss-gnuradio > _______________________________________________ Discuss-gnuradio mailing list Discuss-gnuradio@gnu.org http://lists.gnu.org/mailman/listinfo/discuss-gnuradio
