May 30, 2025 · Big Data

How Liulishuo Accelerated AI‑Powered English Learning with Alibaba Cloud EMR Serverless Spark

Liulishuo transformed its AI‑driven English learning platform by adopting Alibaba Cloud EMR Serverless Spark, addressing resource elasticity, cost, performance, and operational challenges, and achieving faster, more stable, and cost‑effective data processing across ingestion, ETL, and analytics workloads.

AI scoringETL AutomationServerless Spark

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How Liulishuo Accelerated AI‑Powered English Learning with Alibaba Cloud EMR Serverless Spark

DataFunSummit

Feb 4, 2024 · Mobile Development

Advanced Mobile Audio Recording Techniques in Quanjian K‑Song: Low Latency, High Fidelity, and Intelligent Audio Processing

The article details how Quanjian K‑Song has built a comprehensive mobile‑focused audio recording system since 2014, covering low‑latency capture, high‑quality sampling, lyric and vocal‑accompaniment alignment, ear‑return, pitch shifting, vocal enhancement, 3A processing, and AI‑driven scoring to deliver a professional karaoke experience on smartphones.

AI scoringAudio ProcessingLow latency

0 likes · 14 min read

Advanced Mobile Audio Recording Techniques in Quanjian K‑Song: Low Latency, High Fidelity, and Intelligent Audio Processing