search for: siutable

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2007 Jul 24
2
Speex optimization and 12 bits conversion for 12 bits ADC
...question, my ADC and DAC are 12 bits, but Speex codec is 16bits, Did someone try to modify speex to 12 bits? I think if I modify speex to 12 bits, the computation power will be reduced, is it right? and If it's feasible, How can I do? My application is wireless, for 12bits ADC, which bitrate is siutable for wireless application, 5.95kbps or 8kpbs? Any suggestions or comments will be appreciated, thanks. Best Regards, Cheng Rong
2007 Jul 24
0
Speex optimization and 12 bits conversion for 12 bits ADC
...be reduced, is it > right? Wrong. Speex would still need 16 bits internally. I also recommend you only shift by 3 so that you're sure never to have clipping problems at 16 bits. > and If it's feasible, How can I do? My application is wireless, > for 12bits ADC, which bitrate is siutable for wireless application, > 5.95kbps or 8kpbs? You tell me. The higher the bit-rate, the higher the quality, so it depends on what you can afford in terms of bandwidth. Jean-Marc