Improvements for the RPE-LTP speech codec. - Judith Valdés; Abel Herrera (SIP, 2005)

Speech Compression Based on Frequency Warped Cepstrum and Wavelet Analysis. - Francisco José Ayala; Abel Herrera (MCPR, 2011)

A Word Embeddings Model for Sentence Similarity. - Victor Mijangos; Gerardo Sierra; Abel Herrera (Res. Comput. Sci., 2016)

Comparison between LSP and MFCC Parameterizations in a Spanish Speech Synthesis System. - Carlos Franco-Galvan; Abel Herrera (Res. Comput. Sci., 2017)