运行MPP自带的音频ai和ao示例报错，提示PlaybackRateDmix和Capture1Mic配置错误

[NULL037]

运行MPP中的音频示例程序sample_ai报错，提示信息为：

ALSA lib pcm.c:2501:(snd_pcm_open_noupdate) Unknown PCM Capture1Mic:16000
E0101 15:57:02.110755  1269 alsa_interface.c:483]           <alsaOpenPcm> fatal error! card[Capture1Mic:16000] audio open error: No such file or directory
E0101 15:57:02.110882  1269 audio_hw.c:1432]                <audioHw_AI_Enable> fatal error! open_pcm failed
I0101 15:57:02.110990  1269 alsa_interface.c:471]           <alsaOpenPcm> open pcm! card:[Capture1Mic:16000], pcmFlag:[0](0-cap;1-play)
ALSA lib pcm.c:2501:(snd_pcm_open_noupdate) Unknown PCM Capture1Mic:16000

如下图所示：

运行MPP中的音频示例程序sample_ao报错，提示信息为：

I0101 15:59:09.264578  1311 alsa_interface.c:471]           <alsaOpenPcm> open pcm! card:[PlaybackRateDmix:16000,1,960], pcmFlag:[1](0-cap;1-play)
ALSA lib conf.c:5000:(snd_config_expand) Unknown parameters 16000,1,960
ALSA lib pcm.c:2501:(snd_pcm_open_noupdate) Unknown PCM PlaybackRateDmix:16000,1,960
E0101 15:59:09.268046  1311 alsa_interface.c:483]           <alsaOpenPcm> fatal error! card[PlaybackRateDmix:16000,1,960] audio open error: Invalid argument
E0101 15:59:09.268303  1311 audio_hw.c:2281]                <audioHw_AO_EnableChn> fatal error! open_pcm failed
I0101 15:59:09.268453  1311 AOChannel_Component.c:1663]     <AOChannel_ComponentThread> audio render hal init and run ok:0!
E0101 15:59:09.268616  1311 glog_helper.cpp:16] *** Aborted at 57549 (unix time) try "date -d @57549" if you are using GNU date ***
E0101 15:59:09.269147  1311 glog_helper.cpp:16] PC: @        0x0 (unknown)
Arithmetic exception (core dumped)

目前，扬声器和拾音MIC都可正常播放声音和拾音，但是运行音频相关的示例就是会提示这两个问题。有没有大佬能提供一下思路？

[NULL037]

@null037 解决办法：修改打开设备