HsVoipSDK 1.3

HsVoipSDK is an audio streaming / voice over IP SDK in C / C++. HsVoipSDK is shipped with full C source code and includes the Audio library, RTP protocol library and Socket interface library for Windows.

HsVoipSDK 1.3

HsVoipSDK is an audio streaming / voice over IP SDK in C / C++. HsVoipSDK is shipped with full C source code and includes the following components:

HsSound C source library: Audio library for Windows
HsRtp C source library: RTP protocol library
HsSock C source library: Socket interface library
audio.c: Audio streaming / Voice over IP application for Windows (uses the above components)

HsVoipSDK is designed for use from C/C++ applications on Windows platforms. The use of HsVoipSDK is royalty free.

HsVoipSDK source code can be used to develop Voice over IP audio streaming or voice chat applications in C / C++.

Features of Audio Library (HsSound):

Detection of installed audio devices
Recording audio buffers from audio input devices
Playback of audio buffers to audio output devices
Single and dual frequency tone buffer synthethis / generation in software
Operations on WAVE files (reading writing audio to/from WAVE files)
Supported audio formats: Linear PCM, GSM 6.10, G.711 a-law and u-law
Recording to wave file
Recording to memory buffers
Playback from wave file
Playback from memory buffers
Simultaneous playback and recording
Anti-jitter buffering
Configurable sampling rate and audio format / codec

RTP Library (HsRtp):

HsRtp library implements RTP protocol (Real Time Transport Protocol) according to RFC 3550 and RFC 4571
HsRtp supports operation over UDP or over TCP as described in RFC 4571.
HsRtp performs protocol encapsulation and de-capsulation, packet building and parsing functions
HsRtp by itself does not provide transmission or reception functions. In HsVoipSDK, the transmission and reception is done with HsSock library

Socket Interface Library (HsSock)

HsSock is a C source code library for interfacing to Windows and Unix network sockets layer. HS Sockets hides the complexity of low level socket api from user application.

   



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