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Arek the Absolute

GBA Sound Quality

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Anyone know what quality of sound is considered ''typical'' of a GBA game? I''ve finally got sound in, and I''ve noticed how much it boosts the size of my roms. I was just wondering if that should be happening, considering I''m using 8000Hz, 8-bit mono sound. Anyone know how this is usually done in professional GBA games? -Arek the Absolute

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Most games are using samples sampled between 8khz to 22khz. Actually, most of the time they''re using 22khz samples but since samples can be used in multiple songs, the total rom size doesn''t increase that much while the sample quality is high. Also, it depends a lot on the samples you''re using. Some samples need a high sampling rate, while others will still sound fine at a lower rate.

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Hmm... Figured I''d just revive this thread rather than starting a new one, seeing as its almost the same thing.

How about music? I''m assuming Arjan was talking about sound effects? Do most people even use the Direct Sound channels for music, or is that pretty much just for sound effects? If they use DirectSound, they must use really low sample rates just to get them on the cart, or am I mistaken?

-Arek the Absolute

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Outrider: true indeed. Most games use some kind of MODs or their bgm, but MIDI also is a choice, since the soundchip also supports 4(?) MIDI-like channels.

I can also recommend to look at the Belogic site for GBA sound/music information.

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