Tolerance of F0 adaptive time-frequency analysis for spectrographic representations
Spectrogram is a substrate for wide range of speech technologies. However, overlaid excitation information and response information make it difficult to extract and manipulate perceptually or physiologically relevant attributes directly. An F0 adaptive procedure to remove locally periodic time-frequency structures from STFT (short term Fourier transform) based spectrographic representations enabled flexible manipulation of such attributes. The procedure is called TANDEM-STRAIGHT and is currently used in various applications. This article introduces tolerance of such representation to F0 estimation errors and outlines an alternative design of TANDEM-STRAIGHT.
spectrogram speech modifications source filter model periodicity
Hideki Kawahara Masanori Morise
Faculty of Systems Engineering Wakayama University, Wakayama, 640–8510 Japan College of Information Science and Engineering Ritsumeikan University, Kusatsu, 525–8577 Japan
国际会议
2010 IEEE 10th International Conference on Signal Processing(第十届信号处理国际会议 ICSP 2010)
北京
英文
601-604
2010-08-24（万方平台首次上网日期，不代表论文的发表时间）