Hello, In rev 416 I have a working 1400 bit/s mode. Thanks Jean-Marc, I took yr joint pitch-energy quantiser and combined it with the 36 bit/s LSP quantiser.
After fixing a reversed sync bit in the modem we can now do end-end speech over the modem: david@bear:~/codec2-dev/src$ ./c2enc 1400 ../raw/hts1a.raw - | ./fdmdv_mod - - | ./fdmdv_demod - - | ./c2dec 1400 - - | play -t raw -r 8000 -s -2 - Communication systems simulation by command line and Unix pipes :-) Now we need a way to insert bit errors on the fly .... one way is to use files and the Windows program PathSim (runs OK on Linux under Wine). If anyone decided to try this over the air pls convert the modulated signal sample rate to 48kHz. Sox should be able to do that on the fly, or I have C functions in fdmdv.[ch] Cheers, David ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ Freetel-codec2 mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/freetel-codec2
