声音

Introduction

The VEX IQ (1st gen) Brain can produce audio through its built-in speaker using blocks from the Sound category. These blocks play preloaded sound effects or musical notes.

Below is a list of all blocks:

• play sound — Plays one of the Brain’s built-in sound effects.

• play note — Plays a musical note for a specific duration.

play sound

The play sound block plays one of the brain’s built-in sounds.

播放声音 [警报 v]

Parameters	Description
sound	One of the built-in sounds shown below.

Sound Name	播放声音
siren	Play
wrong way	Play
wrong way (slow)	Play
fill up	Play
headlights on	Play
headlights off	Play
tollbooth	Play
alarm	Play
tada	Play
door close	Play
ratchet	Play
wrench	Play
siren2	Play
ratchet2	Play
alarm2	Play
power down	Play

Example

当开始
[Play the power down sound.]
播放声音 [关机 v]

play note

The play note block plays a specific note for a specific duration.

The play note action block.

播放音符 [C v] [二分音符 v]

Parameters	Description
note	Defines the musical pitch: C D E F G A B
note length	Sets the length of the note: half quarter

Example

Play sound file 1 and don’t wait. wait for 2 seconds. If sound is still active, then stop sound.

当开始
[Play a short tune.]
播放音符 [C v] [四分音符 v]
播放音符 [D v] [二分音符 v]