1201 RealAudio 3.0 - 28.8 Mono, narrow response 1202 RealAudio 3.0 - 28.8 Mono, medium response 1203 RealAudio 3.0 - 28.8 Mono, full response 1204 RealAudio 3.0 - 28.8 Stereo 1205 RealAudio 3.0 - ISDN Mono 1206 RealAudio 3.0 - ISDN Stereo 1207 RealAudio 3.0 - Dual ISDN Mono 1208 RealAudio 3.0 - Dual ISDN Stereo 1209 ReaMedia 8 kbps 1210 RealMedia 12 kbps 1221 This option may improve clarity for speech-intensive music or noisy signals. Frequency response is somewhat reduced. \nFrequency response: 4.0 kHz Bitrate: 16 Kbps. 1222 This option may improve clarity for music with snare drums,cymbals and vocals. If audio artifacts occur, encode with the Narrow Response option. \nFrequency response: 4.7 kHz Bitrate: 16 Kbps. 1223 This option gives the brightest sound for delivery over 28.8 modems. If audio artifacts occur, encode with the Medium Response option. \nFrequency response: 5.5 kHz Bitrate: 16 Kbps. 1224 Use for general stereo content. \n \nFrequency response: 4.0 kHz Bitrate: 20 Kbps. 1225 Use for general mono content over ISDN connections. \n \nFrequency response: 11 kHz Bitrate: 40 Kbps. 1226 Use for stereo content over ISDN connections. \n \nFrequency response: 8 kHz Bitrate: 40 Kbps. 1227 Use for optimal quality for mono content. \n \nFrequency response: 20 kHz (CD Quality) \nBitrate: 80 Kbps. 1228 Use for optimal quality for stereo content. \n \nFrequency response: 16 kHz (Broadcast Quality) \nBitrate: 80 Kbps. 1229 Use with RealMedia contents only. 1230 Use with RealMedia contents only. 1241 RealAudio 3.0 28.8 1242 RealAudio 3.0 28.8 1243 RealAudio 3.0 28.8 1244 RealAudio 3.0 28.8 1245 RealAudio 3.0 ISDN 1246 RealAudio 3.0 ISDN 1247 RealAudio 3.0 Dual ISDN 1248 RealAudio 3.0 Dual ISDN 1249 8 kbps 1250 12 kbps