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New Measurement Techniques for Portable Listening Devices: Technical Report - October 2013
A Wireless PDA-Based Acoustics Measurement Platform
The proposed platform allows acoustic measurements via a flexible, portable system, based on commercially available hardware, such as a personal digital assistant (PDA) equipped with a wireless adapter and a digital audio capture card, together with a standard personal computer (PC) with wireless network access. Using this hardware, three software applications were implemented: (i) a device driver that handles the communication of the digital audio capture card with the PDA, (ii) a PDA application that realizes the WiFi connection with the personal computer, also incorporating a data recording function and suitable presentation of their analysis, and (iii) the personal computer application that initiates the playback sequence as dictated by the connected PDA. The system can assist the fast measurement of large spaces as is illustrated by Room Response measurements.
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