Table 1


Estimated numbers of listeners and the cost to support them on a 24/7 basis for each Internet connection size, assuming a 16kbps encoded audio bitstream rate (using unicast).

INTERNET CONNECTION BANDWIDTH LISTENERS COST/MONTH
ISDN Basic Rate 128 Kbps 8 $250
T1 1.5 Mbps 90 $2,000
Ethernet LAN 10 Mbps x .7 350 $8,000
T3 45 Mbps 2,700 $30,000
100 Base-T LAN 100 Mbps x .7 4,000 N/A