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. |
| Conference |
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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