Sound demos for "A Neural Vocoder with Hierarchical Generation of Amplitude and Phase Spectra for Statistical Parametric Speech Synthesis"

Sound demos for "Long-frame-shift Neural Speech Phase Prediction with Spectral Continuity Enhancement and Interpolation Error Compensation"

Authors: Yang Ai, Ye-Xin Lu, Zhen-Hua Ling

Section III-B: Effects of frame shift on phase prediction methods

Example 1
Natural

GLA (2.5 ms)	GLA (5 ms)	GLA (10 ms)

RAAR (2.5 ms)	RAAR (5 ms)	RAAR (10 ms)

NSPP (2.5 ms)	NSPP (5 ms)	NSPP (10 ms)

Example 2
Natural

GLA (2.5 ms)	GLA (5 ms)	GLA (10 ms)

RAAR (2.5 ms)	RAAR (5 ms)	RAAR (10 ms)

NSPP (2.5 ms)	NSPP (5 ms)	NSPP (10 ms)

Example 3
Natural

GLA (2.5 ms)	GLA (5 ms)	GLA (10 ms)

RAAR (2.5 ms)	RAAR (5 ms)	RAAR (10 ms)

NSPP (2.5 ms)	NSPP (5 ms)	NSPP (10 ms)

Example 4
Natural

GLA (2.5 ms)	GLA (5 ms)	GLA (10 ms)

RAAR (2.5 ms)	RAAR (5 ms)	RAAR (10 ms)

NSPP (2.5 ms)	NSPP (5 ms)	NSPP (10 ms)

Example 5
Natural

GLA (2.5 ms)	GLA (5 ms)	GLA (10 ms)

RAAR (2.5 ms)	RAAR (5 ms)	RAAR (10 ms)

NSPP (2.5 ms)	NSPP (5 ms)	NSPP (10 ms)

Example 6
Natural

GLA (2.5 ms)	GLA (5 ms)	GLA (10 ms)

RAAR (2.5 ms)	RAAR (5 ms)	RAAR (10 ms)

NSPP (2.5 ms)	NSPP (5 ms)	NSPP (10 ms)

Section III-C: Comparison among NSPP-based phase prediction methods

(1) LFS-NSPP vs NSPP:
	LFS-NSPP	NSPP
Example 1
Example 2
Example 3
Example 4
Example 5
Example 6

(2) LFS-NSPP vs NSPP_5ms:
	LFS-NSPP	NSPP_5ms
Example 1
Example 2
Example 3
Example 4
Example 5
Example 6

(3) LFS-NSPP vs LFS-NSPP-D4:
	LFS-NSPP	LFS-NSPP-D4
Example 1
Example 2
Example 3
Example 4
Example 5
Example 6

(4) LFS-NSPP vs LFS-NSPP*:
	LFS-NSPP	LFS-NSPP*
Example 1
Example 2
Example 3
Example 4
Example 5
Example 6

Section III-D: Comparison with SP-based phase estimation algorithms

(1) LFS-GLA vs GLA:
	LFS-GLA	GLA
Example 1
Example 2
Example 3
Example 4
Example 5
Example 6

(2) LFS-RAAR vs RAAR:
	LFS-RAAR	RAAR
Example 1
Example 2
Example 3
Example 4
Example 5
Example 6

(3) LFS-NSPP vs LFS-GLA:
	LFS-NSPP	LFS-GLA
Example 1
Example 2
Example 3
Example 4
Example 5
Example 6

(4) LFS-NSPP vs LFS-RAAR:
	LFS-NSPP	LFS-RAAR
Example 1
Example 2
Example 3
Example 4
Example 5
Example 6