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Sound

🧩 Sound


BGM

Background music that sets the atmosphere and tempo of the game.
Examples: Title screen / Battle / Event scenes

SE

Sound effects reacting to player actions or in-game events.
Examples: Button sounds, attack sounds (footsteps, explosions, wind, etc.)

VOICE

Character voice lines.
Examples: Dialogue scenes, battle voices, shouts, reaction voices

Ambient Sound

Natural or environmental sounds that play continuously in the scene background.
Examples: Rain, wind, city noise, flowing water, etc.




🧩 Classification of Sound-Related Failures

StatusNG PointCategory
Sound is playing The fact that it is playing itself is NG Unnecessary sound playback
The content being played is NG Wrong resource
Noise
Prohibited expression (VOICE)
The playback state is NG Insufficient volume adjustment
Playback speed
Playback duration
Overlapping playback
Not playing The fact that it is not playing itself is NG Missing required BGM or SE setting
Lack of sound resources

🧩 Sound is Playing


The fact that it is playing itself is NG

Unnecessary Sound Playback

Example of unnecessary sound being played
OK image
OK
When the character is not being controlled, it is silent (only ambient sounds play)
NG image
NG
Even though the character is standing still, the “footstep sound” continues


The content being played is NG

Incorrect Resource

Example of playing the wrong sound resource
OK image
OK
Calm background music plays in the village
NG image
NG
The village BGM is incorrectly set to the boss battle theme

Noise

Example where noise is included in playback
OK image
OK
BGM, SE, and VOICE play clearly without distortion
NG image
NG
During BGM, SE, or VOICE playback, noises such as “pop” or “buzz” occur

Prohibited Expressions (VOICE)

The standards for prohibited expressions vary by country and culture, so verification according to the target region is required
OK image
OK
Only age-appropriate and healthy dialogue is included
NG image
NG
Violent, discriminatory, or sexual dialogue has been mistakenly recorded


The Playback State is NG

Insufficient Volume Adjustment

Example of improper volume balance
OK image
OK
BGM, SE, and VOICE volumes are well balanced
NG image
NG
The volume balance among BGM, SE, and VOICE is poor, making some sounds hard to hear

Playback Speed

Example where playback speed is abnormal
OK image
OK
BGM and VOICE play at a natural speed
NG image
NG
BGM or VOICE plays at double speed or slow motion

Playback Duration

Example where playback duration is incorrect
OK image
OK
The BGM ends in sync with the dialogue
NG image
NG
The BGM has ended, but the dialogue continues

Overlapping Playback

Example where overlapping playback causes abnormal sound
OK image
OK
When SE is playing, duplicate SE playback is controlled (no overlapping sounds)
NG image
NG
Repeated jumping causes SE to stack, producing unpleasant noise
or sudden loud volume


🧩 Not Playing


The fact that it is not playing itself is NG

Missing Required BGM or SE Settings

Example where necessary sounds are not being played
OK image
OK
Battle BGM plays at the start of combat
NG image
NG
No sound even after the battle has started

Insufficient Resources

Example of missing or insufficient sound resources
OK image
OK
BGM plays normally
NG image
NG
BGM does not play due to a resource loading error




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