Integrated Circuits Inc.

aMTPxxM Series

Ver 1.1

14/30

12/16/2014

RAMP UP / RAPM DOWN

When playback in DAC, Ramp Up /Ramp Down will enabled. This function eliminates the ‘POP’ noise at

the begin and end of voice playback.

Fig. 1 Ramp-up-down Enable

VOICE TABLE

One voice section can include many voice slices. User can use voice slices to save memory usage. For

example, we have 3 voice file store in the memory:

File 1: “How are You?”

File 2: Sound Effect

File 3: Music

Voice slices are grouped together using Voice Table to form Voice Section for playback:

Voice Section No.

Voice Group Contents

Voice Table Entries

Section 0

“How are You?

File 1.

Section 1

Sound Effect + “How are You?”

File 2, File 1.

Section 2

“How are You?” + Music

File 1, File 3.

Section 3

Music

File 3.