Direction: LLM and Natural Language Interaction

Acoustic Sensing, Activity Recognition, and Speech Security

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2024

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helpResearch questionAcoustic Sensing, Activity Recognition, and Speech Security

How can acoustic metasurfaces (AMS) enhance microphone array angular perception of high-frequency ultrasound?

UbiComp '24Pushing the Limits of Acoustic Spatial Perception via Incident Angle Encoding

helpResearch questionAcoustic Sensing, Activity Recognition, and Speech Security

How can precise high-resolution angle estimation be achieved when multiple sound sources coexist?

UbiComp '24Pushing the Limits of Acoustic Spatial Perception via Incident Angle Encoding

helpResearch questionAcoustic Sensing, Activity Recognition, and Speech Security

How can AMS balance spatial feature encoding of high-frequency and low-frequency signals?

UbiComp '24Pushing the Limits of Acoustic Spatial Perception via Incident Angle Encoding

helpResearch questionAcoustic Sensing, Activity Recognition, and Speech Security

How can acoustic signals enable fine-grained activity sensing at greater distances?

UbiComp '22LASense: Pushing the Limits of Fine-grained Activity Sensing Using Acoustic Signals

helpResearch questionAcoustic Sensing, Activity Recognition, and Speech Security

Can a single speaker and microphone improve sensing precision and range through signal processing techniques?

UbiComp '22LASense: Pushing the Limits of Fine-grained Activity Sensing Using Acoustic Signals

helpResearch questionAcoustic Sensing, Activity Recognition, and Speech Security

How does the virtual transceiver concept enhance fine-grained activity sensing?

UbiComp '22LASense: Pushing the Limits of Fine-grained Activity Sensing Using Acoustic Signals

helpResearch questionAcoustic Sensing, Activity Recognition, and Speech Security

How can improved pulse-width modulation (PWM) enable acoustic communication between small appliances and smart speakers?

UbiComp '22MotorBeat: Acoustic Communication for Home Appliances via Variable Pulse Width Modulation

helpResearch questionAcoustic Sensing, Activity Recognition, and Speech Security

Can improved PWM maintain high reliability and low bit error rates in concurrent multi-device communication?

UbiComp '22MotorBeat: Acoustic Communication for Home Appliances via Variable Pulse Width Modulation

helpResearch questionAcoustic Sensing, Activity Recognition, and Speech Security

Can this communication technology remain stable in non-line-of-sight (NLOS) and mobile environments?

UbiComp '22MotorBeat: Acoustic Communication for Home Appliances via Variable Pulse Width Modulation

helpResearch questionAcoustic Sensing, Activity Recognition, and Speech Security

How can higher-quality speech enhancement be achieved in noisy environments by combining ultrasound?

UbiComp '22UltraSpeech: Speech Enhancement by Interaction between Ultrasound and Speech

helpResearch questionAcoustic Sensing, Activity Recognition, and Speech Security

How can multimodal data (e.g., ultrasound) improve amplitude and phase estimation of speech signals?

UbiComp '22UltraSpeech: Speech Enhancement by Interaction between Ultrasound and Speech

helpResearch questionAcoustic Sensing, Activity Recognition, and Speech Security

How can lightweight yet complex deep learning models be designed to improve speech enhancement and speech recognition performance?

UbiComp '22UltraSpeech: Speech Enhancement by Interaction between Ultrasound and Speech

helpResearch questionAcoustic Sensing, Activity Recognition, and Speech Security

How can vocal prosodic features (e.g., pitch variation, intensity, and speech duration) distinguish "device-directed" speech from "non-device-directed" speech?

CHI '22Aware: Intuitive Device Activation Using Prosody for Natural Voice Interactions

helpResearch questionAcoustic Sensing, Activity Recognition, and Speech Security

Can prosody-based device activation methods significantly improve activation accuracy and intuitiveness of voice devices in real user contexts?

CHI '22Aware: Intuitive Device Activation Using Prosody for Natural Voice Interactions

helpResearch questionAcoustic Sensing, Activity Recognition, and Speech Security

What significant improvements does prosody-based smart speaker performance offer compared to traditional keyword activation methods?

CHI '22Aware: Intuitive Device Activation Using Prosody for Natural Voice Interactions

helpResearch questionAcoustic Sensing, Activity Recognition, and Speech Security

How can human daily activities be recognized from smart voice assistant interaction audio while preserving user privacy?

UbiComp '21Ok Google, What Am I Doing? Acoustic Activity Recognition Bounded by Conversational Assistant Interactions

helpResearch questionAcoustic Sensing, Activity Recognition, and Speech Security

How effective is activity recognition using ambient sounds in voice assistant interactions?

UbiComp '21Ok Google, What Am I Doing? Acoustic Activity Recognition Bounded by Conversational Assistant Interactions

helpResearch questionAcoustic Sensing, Activity Recognition, and Speech Security

Can short audio segments infer the physical location of voice assistants?

UbiComp '21Ok Google, What Am I Doing? Acoustic Activity Recognition Bounded by Conversational Assistant Interactions

helpResearch questionAcoustic Sensing, Activity Recognition, and Speech Security

How can spectral features of gait sounds and convolutional neural networks extract effective information to improve pedestrian recognition accuracy?

UbiComp '21Unobtrusive Pedestrian Identification: Enhanced Recognition System and Attack Defense Based on Footstep Sounds

helpResearch questionAcoustic Sensing, Activity Recognition, and Speech Security

How can spatial change detection enable gait sound authenticity verification to defend against replay attacks?

UbiComp '21Unobtrusive Pedestrian Identification: Enhanced Recognition System and Attack Defense Based on Footstep Sounds

helpResearch questionAcoustic Sensing, Activity Recognition, and Speech Security

How can existing voice assistant devices efficiently capture and process indoor gait sounds for non-intrusive pedestrian recognition?

UbiComp '21Unobtrusive Pedestrian Identification: Enhanced Recognition System and Attack Defense Based on Footstep Sounds

helpResearch questionAcoustic Sensing, Activity Recognition, and Speech Security

How can acoustic sensing (e.g., capturing lip motion signals) improve mobile device speech enhancement in noisy environments?

UbiComp '21Sensing to Hear: Speech Enhancement for Mobile Devices Using Acoustic Signals

helpResearch questionAcoustic Sensing, Activity Recognition, and Speech Security

Can combining multimodal speech and acoustic signals truly improve speech clarity in multi-noise environments?

UbiComp '21Sensing to Hear: Speech Enhancement for Mobile Devices Using Acoustic Signals

helpResearch questionAcoustic Sensing, Activity Recognition, and Speech Security

In the absence of clean speech data, how can self-supervised learning adapt to new users?

UbiComp '21Sensing to Hear: Speech Enhancement for Mobile Devices Using Acoustic Signals

helpResearch questionAcoustic Sensing, Activity Recognition, and Speech Security

How can legitimacy and real-time validity of voice commands be jointly verified to prevent fraudulent use?

UbiComp '21Anti-Spoofing Voice Commands: A Generic Wireless Assisted Design

helpResearch questionAcoustic Sensing, Activity Recognition, and Speech Security

How can dynamic perturbation (anti-tampering) of RFID, Wi-Fi, and acoustic signals improve channel security?

UbiComp '21Anti-Spoofing Voice Commands: A Generic Wireless Assisted Design

helpResearch questionAcoustic Sensing, Activity Recognition, and Speech Security

Can the WISE system effectively defend against dual-channel replay attacks in real environments?

UbiComp '21Anti-Spoofing Voice Commands: A Generic Wireless Assisted Design

helpResearch questionAcoustic Sensing, Activity Recognition, and Speech Security

How can ultrasonic frequencies be used for everyday activity recognition while protecting user privacy?

CHI '21PrivacyMic: Utilizing Inaudible Frequencies for Privacy Preserving Daily Activity Recognition

helpResearch questionAcoustic Sensing, Activity Recognition, and Speech Security

Can hardware-level voice filtering effectively prevent voice privacy leakage while maintaining high activity recognition accuracy?

CHI '21PrivacyMic: Utilizing Inaudible Frequencies for Privacy Preserving Daily Activity Recognition

helpResearch questionAcoustic Sensing, Activity Recognition, and Speech Security

How much informational value do ultrasonic frequency features have for activity recognition under privacy protection?

CHI '21PrivacyMic: Utilizing Inaudible Frequencies for Privacy Preserving Daily Activity Recognition

Adjacent categories

LLM and Natural Language Interaction

Acoustic Sensing, Activity Recognition, and Speech Security

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Related papers

Aware: Intuitive Device Activation Using Prosody for Natural Voice Interactions

PrivacyMic: Utilizing Inaudible Frequencies for Privacy Preserving Daily Activity Recognition

Adjacent categories

LLM Interfaces, Prompts, and Interaction Understanding

Voice Assistant General Design and User Experience

Voice Interface Discoverability and Affordance Design

LLM User Dissatisfaction, Strategy Adjustment, and Satisfaction

Smart Speakers, Smart Homes, and Proactive Behavior Design

Voice Persona, Voice Quality, Prosody, and Social Trait Design

Information Organization, Document Analysis, and Qualitative Research

VUI Design Methods, Guidelines, and Heuristic Evaluation