DIGITAL SPEECH offers the base speech algorithms for VoIP application: Acoustic Echo Canceller, Noise suppressors, VAD, AGC , Adaptive Jitter Buffer, PLC, Time Scale Modification and standard vocoders. DIGITAL SPEECH offers optimized ANSI C algorithms which can be ported to any platform. For same platforms optimization already was done.

• Full duplex Acoustic echo canceller (AEC)
• Half duplex Acoustic echo suppressor (AES)
• Noise suppressor (NS)
• Voice activity detector (VAD)
• Adaptive Gain Control (AGC)
• Non-linear processor (NLP)
• Comfort noise generator (CNG)
• Anti-howling system (AHS)
• Universal resampler

• Adaptive jitter buffer (Jitter buffer)
• Time scale modification algorithm (TSM)
• Packet loss concealment (PLC)

• Active speaker selection algorithm
• Mixer

• G.711
• G.723
• G.729
• G.722