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Technology Stocks : Newbridge Networks -- Ignore unavailable to you. Want to Upgrade?

To: fumble who wrote (14738)	11/19/1999 12:59:00 AM
From: fumble	Read Replies (1) \| Respond to of 18016

? On the RealAudio live presentation of the CC Did anyone have both the webcast and the 800 phone on at the same time? Did you notice the delay in the webcast as compared to the 800 phone? On the webcast, was it smooth or choppy? Was the sound 'Hi Fi', or scratchy? Your reception depends a lot on the amount of congestion on your connection. I was listening through a 56k modem connection (really 50,667 bps). During 70% of the broadcast the RealAudio window said the connection was a 16Kbps SureStream.. This fell to 8.5 Kbps and 6.5 Kbps during some segments. My reception quality was not so hot - I heard about 90% of the words and the fidelity was like a scratchy 78 rpm record heard through a very small speaker (well, my iBook does have a small speaker..). What was your experience on the webcast? similar? better? ------- I might mention here that the difference between the 800 phone line reception and the webcast is the difference between ATM and IP protocol transmission. ATM allows for selected QoS and IP is just a 'best efforts' reception. The delay in a real time RealAudio broadcast is due to the buffering up of speech bits at the transmit side and the timed playback of this packet at the receive side. If the delay on the connection is erratic, then the buffers need to be longer to hold enough speech to cover the time when a packet is delayed more than expected. With ATM, you set up a connection with cells coming smoothly at a rate designed to provide 'just-in-time' delivery of 8bits every 8,000th of a second (for a DS0 connection). Clean, simple, minimal delay from speaker's mouth to listener's ear. This can be important if you are trading during the CC. People pay for this quality...