qianhao wrote:

使用buildroot安装的alsa-utils.里面包含了 aplay这个应用。

aplay /home/666.wav

Playing WAVE '/home/666.wav' : Signed 16 bit Little Endian, Rate 44100 Hz, Stereo
耳机有嗡嗡声 使用alsamixer最左边的

Card: V3s Audio Codec F1: Help |
| Chip: F2: System information |
| View: F3:[Playback] F4: Capture F5: All F6: Select sound card |
| Item: Headphone [dB gain: 0.00] Esc: Exit |
| |
| +--+ +--+ +--+ +--+ |
| |aa| | | | | |aa| |
| |aa| | | | | |aa| |
| |aa| | | | | |aa| |
| |aa| | | | | |aa| |
| |aa| | | |aa| |aa| |
| |aa| | | |aa| |aa| |
| |aa| |aa| |aa| |aa| |
| |aa| |aa| |aa| |aa| |
| |aa| |aa| |aa| |aa| |
| |aa| |aa| |aa| |aa| |
| |aa| |aa| |aa| |aa| |
| +--+ DAC +--+ +--+ +--+ +--+ |
| |MM| |MM| |MM| |MM| |
| +--+ +--+ +--+ +--+ |
| 100 43 64 100 |
| < Headphone >Headphone S Mic1 Mic1 Boost DAC DAC Reverse |

还是没有声音 。。。。。