ml22460mb Oki Semiconductor, ml22460mb Datasheet - Page 18

• Manufacturer Part Number: ml22460mb
• Description: Speech Synthesis Lsi With Serial Rom Interface Including 4-channel Mixing Function
• Manufacturer: Oki Semiconductor

Edit ROM Function
The edit ROM function makes it possible to play back multiple phrases in succession. The following functions
are set using the edit ROM function:
It is possible to use voice ROM effectively to use the edit ROM function.
Below is an example of the ROM structure, case of using the edit ROM function.
Mixing Function
It is possible to perform mixing of four channels simultaneously. And also, it is possible to specify PLAY,
STOP, and CVOL commands for each channel respectively. The mixing function is available if the sampling
frequency (F
- Precautions for Waveform Clamp
Adjust the volume of each channel using the CVOL command, if the waveform clamp is increased by channel
mixing.
Phrase 1
Phrase 2
Phrase 3
Phrase 4
Phrase 5
Continuous playback:
Silence insertion:
Example 1) Phrases using the Edit ROM Function
Example 2) Structure of the ROM that contents of example 1 are stored
S
) is 16 kHz or less.
A
A
E
E
A
There is no limit to set the number of times of continuous playback. It
depends on the memory capacity only.
20ms to 1,024 ms
C
B
Address control area
B
C
B
D
Editing area
B
D
D
A
E
D
D
D
C
Silence
ML22420MB/ ML22460MB
E
FEDL22420DIGEST-04
C
18/21
D