Cited by 67Music and Audio ProcessingSpeech Recognition and SynthesisSpeech and Audio Processing

Low-resource multi-task audio sensing for mobile and embedded devices via shared deep neural network representations

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Georgiev, Petko, Bhattacharya, Sourav, Lane, Nicholas D., Mascolo, Cecilia·2017·Proceedings of the ACM on Interactive Mobile Wearable and Ubiquitous Technologies

Abstract

Continuous audio analysis from embedded and mobile devices is an increasingly important application domain. More and more, appliances like the Amazon Echo, along with smartphones and watches, and even research prototypes seek to perform multiple discriminative tasks simultaneously from ambient audio; for example, monitoring background sound classes (e.g., music or conversation), recognizing certain keywords (‘Hey Siri' or ‘Alexa'), or identifying the user and her emotion from speech. The use of deep learning algorithms typically provides state-of-the-art model performances for such general audio tasks. However, the large computational demands of deep learning models are at odds with the limited processing, energy and memory resources of mobile, embedded and IoT devices. In this paper, we propose and evaluate a novel deep learning modeling and optimization framework that specifically targets this category of embedded audio sensing tasks. Although the supported tasks are simpler than the task of speech recognition, this framework aims at maintaining accuracies in predictions while minimizing the overall processor resource footprint. The proposed model is grounded in multi-task learning principles to train shared deep layers and exploits, as input layer, only statistical summaries of audio filter banks to further lower computations. We find that for embedded audio sensing tasks our framework is able to maintain similar accuracies, which are observed in comparable deep architectures that use single-task learning and typically more complex input layers. Most importantly, on an average, this approach provides almost a 2.1× reduction in runtime, energy, and memory for four separate audio sensing tasks, assuming a variety of task combinations.

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Crossref · 10.1145/3131895

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Authors
Georgiev, P., Bhattacharya, S., Lane, N. D., & Mascolo, C.
Affiliations
  • University of Cambridge (GB)
  • Nokia Bell Labs
  • University College London (GB)
  • University of Cambridge
Venue
Proceedings of the ACM on Interactive Mobile Wearable and Ubiquitous Technologies
Published
2017-09-11
Volume
1
Issue
3
Pages
1-19
ISSN
2474-9567 (ISSN-L)
OpenAlex
W2754395205
Cited by
67
References
48
Citations by year
2026: 5 · 2025: 3 · 2024: 2 · 2023: 7 · 2022: 12 · 2021: 13 · 2020: 11 · 2019: 3 · 2018: 11
FWCI
5.69
Type
journal article
Language
en
Open access
Locations
  • Proceedings of the ACM on Interactive Mobile Wearable and Ubiquitous Technologies (publishedVersion)
  • Cambridge University Engineering Department Publications Database (submittedVersion)
  • Apollo (University of Cambridge) (submittedVersion)
  • Apollo
Funders
Microsoft Research
Topics
  • Physical Sciences › Computer Science › Signal Processing › Music and Audio Processing
  • Physical Sciences › Computer Science › Artificial Intelligence › Speech Recognition and Synthesis
  • Physical Sciences › Computer Science › Signal Processing › Speech and Audio Processing
Keywords
multi-task learning, mobile devices, low-resource computing, keyword spotting, energy efficiency, execution time reduction, memory usage, IoT devices

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