Welcome

I am a research engineer at iZotope, maker of audio production and enhancement software.

In June 2011, I joined Imagine Research, acquired by iZotope in March 2012.

I live and work in San Francisco, USA.

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iZotope Tech Talk: Source Separation in the Real World -- March 21, 2013
How I Host and Maintain stevetjoa.com -- February 25, 2013
ACM MIRUM 2012: Two Systems for Automatic Music Genre Recognition: What Are They Really Recognizing? -- December 14, 2012
ACM MIRUM 2012: Exploring the Relationship Between Categorical and Dimensional Emotion Semantics of Music -- December 13, 2012
ACM MIRUM 2012: Personalized Music Emotion Classification via Active Learning -- December 12, 2012
ACM MIRUM 2012: Novelty Measures as Cues for Temporal Salience in Audio Similarity -- December 12, 2012
ACM MIRUM 2012: Perceptual Tempo Estimation Using GMM Regression -- December 9, 2012
ACM MIRUM 2012: Who Influence the Music Tastes of Adolescents? A Study on Interpersonal Influence in Social Networks -- December 4, 2012
ACM MIRUM 2012: Inferring Personal Traits from Music Listening History -- December 4, 2012
ACM MIRUM 2012: Learning and Extraction of Violin Instrumental Controls from Audio Signal -- December 3, 2012
ACM MIRUM 2012: Knowledge-Based Music Retrieval for Places of Interest -- December 2, 2012
ACM MIRUM 2012: Building a Personalized Audio Equalizer Interface with Transfer Learning and Active Learning -- November 21, 2012
ACM MIRUM 2012: An Analysis of the GTZAN Music Genre Dataset -- November 14, 2012
ACM MIRUM 2012: Fast Intra-collection Audio Matching -- November 13, 2012
iZotope MediaMined Product Video -- November 8, 2012
iZotope Acquires Imagine Research -- March 13, 2012
Fourier at a Glance: Continuous vs. Discrete, Series vs. Transform -- November 14, 2011
Factorization of Overlapping Harmonic Sounds Using Approximate Matching Pursuit -- October 28, 2011
Super-resolution of Musical Signals Using Approximate Matching Pursuit -- October 20, 2011
My Academic Genealogy Since Helmholtz -- August 22, 2011
CCRMA MIR Workshop 2011 -- July 4, 2011
Summer 2011 Status Update -- July 3, 2011
LaTeX At A Glance, v. 1.0 -- February 9, 2011
Thirty Tips For Dissertation Writing -- February 4, 2011
Engineers Build Computerized Beauty Contest Judges. Swell. -- January 19, 2011
Resume Template in LaTeX -- December 2, 2010
The One-Step Build for Academic Researchers -- October 17, 2010
I used Matlab. Now I use Python. -- September 25, 2010
Musical Instrument Recognition Using Biologically Inspired Filtering of Temporal Dictionary Atoms -- July 31, 2010
Multiplicative Update Rules for Nonnegative Matrix Factorization with Co-occurrence Constraints -- March 22, 2010
Harmonic Variable-Size Dictionary Learning for Music Source Separation -- March 22, 2010
Anti-Forensics of JPEG Compression -- March 22, 2010
Digital Image Source Coder Forensics via Intrinsic Fingerprints -- January 31, 2010
Transform Coder Classification for Digital Image Forensics -- January 31, 2010
Image Source Coding Forensics Via Intrinsic Fingerprints -- January 31, 2010
Block Size Forensic Analysis in Digital Images -- January 31, 2010