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Subject: speaker phone based calibrators In addition, the system provides for conformance testing of microphone preamplifiers and acoustic calibrators: this includes pistonphones as well as speaker phone based calibrators.speaker phone -- спикерфон (который в телефонном аппарате) или нечто другое? Из проспекта установки для калибровки микрофонов. Заранее спасибо. |
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