The result is a smoother delivery of audio to the user. Jitter buffers are used to smooth delay variations in received audio by buffering the packets and adjusting their rendering. VaxVoIP SIP SDK offers advanced Noise Cancellation technology that allows significant suppression of any background noise and provides high quality of output speech. As a result the far-end participant perceives this as an echo. The loudspeaker signal is echoed back to the microphone and transmitted back to its origin. The principal one is due to the coupling between loudspeaker and microphone. Hands-free or Internet telephony imposes several problems.
In order to eliminate the acoustic feedback an echo canceller is introduced in the VaxVoIP SIP SDK.
ACOUSTIC ECHO CANCELLATION OR SUPPRESSION It delivers superior voice quality by integrating advanced digital voice processing features including acoustic echo cancellation, noise cancellation and adaptive jitter buffering. It accelerates the development of SIP based soft phone with your own GUI (graphical user interface) and brand name.
VaxVoIP SIP SDK provides tools and components to quickly add SIP (Session Initiation Protocol) based IP-Telephony make and receive phone calls feature in your web pages and software applications.