Silent Wings supports voice chat in multiplayer. This can be enabled in the Silent Wings MP server by setting a voice codec.
mp_voice_codec = 8 mp_comm_frq = 122.7
The first controls the voice codec, and the second directive sets the default radio frequency for this server, i.e the frequency all users will be tuned in on when they connect to the server.
There are a few different codecs available which have different bitrate/quality. For a slow connection you should use one of the low bitrate alternatives, whereas on a high-speed connection with few users you can use a bit more bandwidth to get better sound quality.
The alternatives for voice codec are:
- 1 - LPC-10 2.4 Kbps codec
- 2 - LPC 4.8 Kbps codec
- 3 - GSM 13.2 Kbps codec
- 4 - Intel/DVI ADPCM 32 Kbps codec
- 5 - G.711 u-law 64 Kbps codec
- 6 - OpenLPC 1.4 Kbps codec
- 7 - OpenLPC 1.8 Kbps codec
- 8 - CELP 4.5 Kbps codec
- 9 - CELP 3.0 Kbps codec
- 10 - CELP 2.3 Kbps codec