Speech quality not so good. How can I improve speech quality?

gegel / jackpair

p2p speech encrypting device with analog audio interface suitable for GSM phones

http://torfone.org

41 stars 27 forks source link

Speech quality not so good. How can I improve speech quality? #3

Open Miracle-doctor opened 5 years ago

Miracle-doctor commented 5 years ago

Nowadays I have problem speech quality not so good and I don't understand speech, but connection through GSM channel is good. I have DIY homemaded amplifier. I want to make nice quality speech? Have I another methods for improve speech quality or some another vocoders?