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21 HW Processor (HWP) and Sound Output
Bits 31–0 KEYCODE[31:0]
These bits specify the key code.
Write the key code provided by Seiko Epson.
Ch.n Command Register
Register name
Bit
COMMAND_n
15–8 OPTION[7:0]
(Sound Play)
7–0 COMMAND[7:0]
Bits 15–8 OPTION[7:0]
These bits select a command option (gapless play/silent period insertion).
COMMAND_n.
OPTION[7:0] bits
0xff–0x02
Notes: • During 2-channel mix output with Ch.0 and Ch.1, gapless play cannot be performed
(gapless play is disabled for both channels).
• Depending on the contents of the sentence to play, the played voice may be difficult to
hear even if gapless play is enabled. Conduct sufficient evaluation when using the gapless
play function.
Bits 7–0
COMMAND[7:0]
These bits select a sound play command to be executed.
COMMAND_n.COMMAND[7:0] bits
Ch.n Sentence Number Setting Register
Register name
Bit
SENTENCE_n
15–0 SENTENCE_NO[15:0] 0x0000
(Sound Play)
Bits 15–0 SENTENCE_NO[15:0]
These bits specify the sentence number of the sound to be played.
Set the sentence number that was listed in the "Voice Creation Tool (ESPER2)."
Ch.n Volume Control Register
Register name
Bit
VOLUME_n
15–0 VOLUME[15:0]
(Sound Play)
21-20
Bit name
Initial
0x00
0x00
Table 21.6.3 Command Option Selection
Setting prohibited (error)
0x01
Gapless play enable
Sound will be played without a silent period inserted
(gap = 0 ms) between phrases.
0x00
Gapless play disable
Sound will be played with about 100 ms of a silent
period (gap) inserted between phrases.
Table 21.6.4 Sound Play Command Selection
0xff–0x0a
0x09
0x08
0x07
0x06
0x05
0x04
0x03
0x02
0x01
0x00
Bit name
Initial
Bit name
Initial
0x0000
Seiko Epson Corporation
Reset
R/W
H0
W
–
H0
W
Command Option
Sound play command
Setting prohibited (error)
Release Mute
Mute after Current Phrase
Mute Immediately
Release Pause
Pause after Current Phrase
Pause Immediately
Sound Stop after Current Phrase
Sound Stop Immediately
Sound Start
No operation
Reset
R/W
H0
W
–
Reset
R/W
H0
W
–
S1C31D50/D51 TECHNICAL MANUAL
Remarks
Remarks
Remarks
(Rev. 2.00)
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