why separation audio channel always have result 16 bits per sample?

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Sisi Misi
Sisi Misi 2021-9-6
评论： Mathieu NOE 2021-9-7
Hi everyone
I wanna ask you about audio separation
Why separation audio channel always have result 16 bits per sample?
This happens when I do a channel split from 2 channels to 1 channel the first audio has 24 bit-sample and 2 channel
The second audio has 8 bit-sample and 2 channel
when converted to 1 channel, the audio is changed to 16 bits per sample
Therefore, how do we maintain the sample bits?
For example, the original audio is 24 bits per sample with 2 channels, the audio is separated into 24 bits per sample and 1 channel
I use this code:
thank you
[y,Fs]=audioread('water.flac');
size(y)
% single_channel_from_y = y(:,1);
x=y(:,1)
size(x)
plot(y)
plot(x)
audiowrite('onechannel(24).wav',x,Fs);
% sound(x)

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