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eSound™ engine for PC
Voice signal processing library for VoIP applications operating on a PC such as a soft phone, etc.
Features
| Voice codecs | G.722, AMR-WB, G.711, G.729a, AMR-NB, and others |
|---|---|
| Packet interval | 10ms-120ms |
| Quality of service | Tos field setting |
| Jitter buffer controller | Dynamic/Static |
| RTP/RTCP | RFC1889/1890 |
| Packet loss concealment | packet loss concealment for any codecs |
| Echo canceller | Cancel the echo by PC sound board |
| Outband DTMF | RFC2833 |
| Inband DTMF | (send only) |
| Gain control | Gain control by signal processing |
| Recording | WAV format |
| Playing | WAV format |
| Level indicator | Output to real time at the interval which specified the voice level. |
| Confference | Automatic mixing control handling multi-codec |
| Statistical information collection | Information about RTP packet loss, jitter etc. |
| Statistical information transmission | RTCP XR(RFC3611) |
Requirements
| CPU | Pentium3 800MHz over |
|---|---|
| Memory | 256MB over |
| OS | Windows XP, 2000, Vista |
| Sound device | AC97 Compliant, HD-Audio Compliant |
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