In addition to visualtuning via meter, the GA-30 can play reference pitches from its internal speaker (Sound Out) for tuning by ear.
除了通过视觉调谐米的GA - 30可以发挥其内置扬声器(声音输出)，供参考球场耳调整。
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Using optical imaging based on intrinsic signals, we studied spatial frequency tuning characteristics of cat primary visual cortex at different visual topological locations.