The following publications are possibly variants of this publication:
- Vocal tract normalization equals linear transformation in cepstral spaceMichael Pitz, Sirko Molau, Ralf Schlüter, Hermann Ney. interspeech 2001: 2653-2656 [doi]
- Vocal Tract Normalization Equals Linear Transformation in Cepstral SpaceMichael Pitz, Hermann Ney. taslp, 13(5-2):930-944, 2005. [doi]
- Revisiting VTLN using linear transformation on conventional MFCCDoddipatla Rama Sanand, Ralf Schlüter, Hermann Ney. interspeech 2010: 538-541 [doi]
- Implementing frequency-warping and VTLN through linear transformation of conventional MFCCS. Umesh, András Zolnay, Hermann Ney. interspeech 2005: 269-272 [doi]