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QoE-Aware Video Streaming with Adaptive Bitrate

IoT Sensor Data

QoE-Aware Video Streaming with Adaptive Bitrate

  • Use Case: Delivering high-quality video streaming experiences to users worldwide while maintaining Quality of Experience (QoE) by dynamically adjusting video bitrate based on network conditions, device capabilities, and user preferences.

Objective

  • To optimize video streaming quality without buffering interruptions.

    To maximize user satisfaction (QoE) while reducing bandwidth costs.

    To provide seamless playback across different devices and networks.

Project Description

  • This project implements adaptive bitrate (ABR) streaming for video delivery using GCP services. Videos are encoded into multiple quality levels and delivered using Content Delivery Networks (CDN). Real-time monitoring of network bandwidth, latency, and device performance allows automatic adjustment of streaming quality. Machine learning models predict user QoE and optimize bitrate selection dynamically.
    Key features:
    • Multi-bitrate video encoding and storage.
    • Global low-latency delivery via CDN.
    • Real-time QoE monitoring and adaptive streaming.
    • Analytics and ML models to predict user churn and optimize streaming.

Key Technologies & Google Cloud Platform Services

  • GCP Service Purpose
    Transcoder API Encodes videos into multiple resolutions/bitrates for adaptive streaming.
    Cloud Storage Stores video content in different bitrate formats.
    Cloud CDN Delivers video content globally with low latency.
    BigQuery Analyzes streaming logs, QoE metrics, and user behavior.
    Pub/Sub Handles real-time event ingestion from player metrics (buffering, lag).
    Dataflow Processes streaming telemetry (bandwidth, latency, playback data).
    Vertex AI Builds ML models for QoE prediction and adaptive bitrate optimization.
    Cloud Monitoring Tracks video performance metrics (latency, errors, buffering events).
    Looker Studio Creates dashboards for QoE analytics and operational insights.