如何将CH3 4 5 6发送到一个OUT通道吗？

嗨米歇尔，
 
 
 为了将4 mic的STEVAL-MKI129Vx板缩混为单声道流，您可以使用STA321MP板载设备的嵌入式处理功能。
 
 只需将“混合输入4”和“混合输入5”的预​​混频器系数设置为相应的十六进制值-12dB（即2026F3h而不是默认的7FFFFFh值），这对于PDM3 / 4 / 5/6输入。请参考下图。
 
 
 
 我在这里假设您正在录制来自HP输出的单声道流，默认情况下，它从Ch4 / 5获取音频 - 这就是为什么这是您可以控制的唯一音量。
 
 如果这有帮助，请告诉我。
 
 马尔科



以下为原文





Hi Michele,


In order to downmix the 4 mic of STEVAL-MKI129Vx board into a mono stream you can use the embedded processing features of the STA321MP onboard device.

Simply set the pre-mixer coefficients for the ''Mix In 4'' and ''Mix In 5'' to the corresponding hex value for -12dB (ie. 2026F3h instead of the default 7FFFFFh value), this for the PDM3/4/5/6 inputs . Refer to the below picture.



I'm here assuming you're recording the mono stream from the HP output which, by default, gets the audio from the Ch4/5 - that's why this is the only volume you can control.

Let me know if this helps.

Marco

嗨马可，
 
谢谢你的快速反应。
我按照你的指示，但我可以使麦克风4和5工作，但不是3和6。
这是我的配置文件。你能检讨一下吗？
https://dl.dropboxusercontent.com/u/287​​54179/3456in1.apc.zip
 
今天我有一个录音会议，我需要解决：
- 以单声道录制语音，添加阵列的麦克风3 4 5 6以获得最佳SNR。
- 记录在24位。
 
我目前正在使用Audacity，但它以16位出口。
我尝试了Adobe Audition，但它给了我一个错误''输入和输出采样率不同。无法记录''
我已选择Audition和APWorkbench上的所有可用采样率，但没有成功。
 
你能帮我解决一下这个问题吗？
非常感谢
非常感谢。
我的电子邮件是baggiomichele@hotmail.com直接与我联系。



以下为原文





Hi Marco,

thanks for your fast response.
I followed your instructions but i can make mic 4 and 5 working but not the 3 and 6.
Here's my config file. Could you please review it?
https://dl.dropboxusercontent.com/u/28754179/3456in1.apc.zip

Today i have a recording session and i need to solve:
- record a voice in mono adding mic 3 4 5 6 of the array to get the best SNR.
- record in 24bit.

I'm currently using Audacity but it exports in 16bit.
I've tried Adobe Audition but it gives me an error ''Input and Output sample rate are different. Cannot record''
I've select all the sample rates available on Audition and on APWorkbench without success.

Could you please give me the solution to this two issue i have?
Thanks so much
Really appreciated.
My email is baggiomichele@hotmail.com to contact me directly.

米歇尔，
 
 
 如果您打算通过USB使用数字上游（而不是HP输出），那么您应该复制我之前在CH1 / CH2预混合器控件上建议的系数。
 
 Jsut要清楚：耳机插孔从STA321MP的CH4 / CH5获得输出，而数字上游从CH1 / CH2完成。
 
 马尔科



以下为原文





Michele,


If you're going to use the digital upstream via USB (instead of the HP output) then you should replicate the coefficients I suggested in my previous post on the CH1/CH2 pre-mixer controls.

Jsut to be clear: the headphone jack gets the output from CH4/CH5 of STA321MP whereas the digital upstreaming is done from CH1/CH2.

Marco