April 01, 2020, 02:51:33 am


Have you visited the Allwinner Chipset wiki? - http://linux-sunxi.org/

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Topics - kevin


I'm trying to use my CT as media player running high definition audio.(like 24bit over 96kHz audio file)
So I enabled sunxi_sndspdif module in /etc/modules then output audio through SPDIF to external DAC.
When I play high-def audio file(eg. 24bit 192kHz), I saw, cat /proc/asound/card1/pcm0p/sub0/hw_params as follow;

root@cubietruck:~# cat /proc/asound/card1/pcm0p/sub0/hw_params
format: S16_LE
subformat: STD
channels: 2
rate: 192000 (192000/1)
period_size: 8192
buffer_size: 32768

I think "format: S16_LE" should be "S24_LE" something. Is my CT running 24bit high-def file correctly?
So I wonder CT can support HW 24bit processing.

Thanks in advance.