National Audubon Society

Start Using Spectrograms to ’Read’ Bird Songs and Calls

Editor’s Note: There's a lot to look forward to in spring, including the welcomed hullabaloo of birdsong. The sheer volume of songs and calls can often feel overwhelming for birders, but these sounds ...
GitHub

SSAST: Self-Supervised Audio Spectrogram Transformer

March, 2022: We released a new preprint CMKD: CNN/Transformer-Based Cross-Model Knowledge Distillation for Audio Classification, where we proposed a knowledge distillation based method to further ...
IEEE

Objective Evaluation of Clutter Suppression for Micro-Doppler Spectrograms of Hand Gesture/Sign Language Based on Pseudo-Reference Image

Abstract: Gesture and sign language (SL) recognition technology enables machines to understand the meaning of human hand movements. In human–computer interaction, it is expected that gesture/SL ...
IEEE

Speech Enhancement Based on Bayesian Low-Rank and Sparse Decomposition of Multichannel Magnitude Spectrograms

Abstract: This paper presents a blind multichannel speech enhancement method that can deal with the time-varying layout of microphones and sound sources. Since nonnegative tensor factorization (NTF) ...