i.MX Processors中的主题 Re: Audio jack

Audio jack

Mohan51 — Mon, 25 Mar 2024 06:54:38 GMT

Hi, I am using IMX8M nano board, i tried to play an .wav file using pygame python module.but unable to hear audio using headphone jack.please help me to find a way

Re: Audio jack

jimmychan — Tue, 26 Mar 2024 04:18:05 GMT

Please try to use the aplay to play the .wav file first. make sure the sound card is working.

https://www.nxp.com/docs/en/user-guide/IMX_LINUX_USERS_GUIDE.pdf

Re: Audio jack

Mohan51 — Tue, 26 Mar 2024 04:24:10 GMT

Hi @jimmychan m #aplay -l output is:

**** List of PLAYBACK Hardware Devices ****
card 0: btscoaudio [bt-sco-audio], device 0: 30020000.sai-bt-sco-pcm-wb bt-sco-pcm-wb-0 [30020000.sai-bt-sco-pcm-wb bt-sco-pcm-wb-0]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 1: imxspdif [imx-spdif], device 0: S/PDIF PCM snd-soc-dummy-dai-0 [S/PDIF PCM snd-soc-dummy-dai-0]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 2: wm8524audio [wm8524-audio], device 0: HiFi wm8524-hifi-0 [HiFi wm8524-hifi-0]
Subdevices: 1/1
Subdevice #0: subdevice #0
card 2: wm8524audio [wm8524-audio], device 1: HiFi-ASRC-FE (*) []
Subdevices: 1/1
Subdevice #0: subdevice #0