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On Smartphone Power Consumption in Acoustic Environment Monitoring Applications

Cifrasoft Ltd., Izhevsk 426001, Russia
Author to whom correspondence should be addressed.
Appl. Syst. Innov. 2018, 1(1), 8;
Received: 18 January 2018 / Revised: 13 March 2018 / Accepted: 14 March 2018 / Published: 19 March 2018
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In this paper, we provide a systematic analysis of smartphone power consumption in background audio recording scenarios. We report comprehensive measurement results for several Android smartphone models with diverse hardware specifications, running different types of Android operating systems (OS). Our experimental results show that with respect to background audio sensing applications, the major impact on smartphone power consumption is associated with the core audio recording functionality. On the other hand, moderately complex digital signal processing algorithms (e.g., sound pressure level estimation, acoustic feature extraction, and audio fingerprinting) that operate simultaneously with background audio recording do not significantly affect overall smartphone power consumption or battery life. Power consumption varies significantly from model to model, and we found no obvious correlation between the power consumption of background audio recording scenarios and factors such as the year of release, the OS version, or the model of smartphone processor or system-on-chip (SoC) hardware. View Full-Text
Keywords: smartphones; power consumption; acoustic monitoring; digital signal processing smartphones; power consumption; acoustic monitoring; digital signal processing

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This is an open access article distributed under the Creative Commons Attribution License which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited (CC BY 4.0).

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Zhidkov, S.; Sychev, A.; Zhidkov, A.; Petrov, A. On Smartphone Power Consumption in Acoustic Environment Monitoring Applications. Appl. Syst. Innov. 2018, 1, 8.

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