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To: brian h who wrote (12343)	7/14/1998 5:07:00 AM
From: jpbrody	Respond to of 152472

WSJ article on sound quality of mobile phones: If you subscribe, you can see it at interactive.wsj.com EFR, CDMA Solutions Help Users Cut Down Static on Digital Phones By WAYNE ARNOLD (From Singapore) Here's a summary: The sound quality on GSM systems sucks, "the call sounds as if it's coming over the public-address system in an airport." But there are two new solutions available. Nokia and Ericsson have EFR (Enhanced Full Rate) which is apparently a better vocoder. M1 (a provider in Singapore) introduced another solution last month when it introduced its CDMA network. [A few paragraphs attempting to explain how CDMA works.] CDMA has higher capacity and sounds better. The Sony CM-Z100 is a great phone. He loves the dial, but the keys are too small. It offers a cable for hookup to PC and data transmission, but M1 doesn't offer data transmission yet. A drawback to using CDMA is the lack of roaming. Only place you can use your phone are South Korea and US. Here's the final paragraph: But as advertised, the voice quality on M1's CDMA network is nothing short of amazing. Radioheads warn that the quality may diminish once the network has more than its present 2,000 users. But M1 Chief Executive Neil Montefiore says people in blind tests think calls from the CDMA network are from fixed-line phones, and I believe him. This kind of clarity is the way cellular telephony was meant to be. No mention of Qualcomm in the entire article, but it's a nice little ad for CDMA in Singapore.