News from Rohde & Schwarz 159 - 1998/III - Mobile Radio
Speech quality of GSM mobile phones improved by precise audio measurement
 Audio Analyzer UPL16
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  Once a yuppie status symbol, the mobile phone has now become an item of everyday use. Even fixed network subscriber lines are being replaced to an increasing extent by mobile phones. As a result, more speech quality is demanded of mobile phones. With its new model from Audio Analyzer family UPL, specially tailored to mobile phone testing in quality assurance and production, Rohde & Schwarz contributes to improving the acoustic quality of future mobile phone generations.
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