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已解决。改sys_config.fex配置:2.png 把pcm_cap_rate都改成48000,就可以了。 我猜adc是在dsp核采样,然后重采样发送给rv核。 3.png 跑满48khz。
参考这个Demo
f2bfa44c-8f42-4c8f-a4db-912273c1e561-devkit_c906_cpp_demo.tar.gz