[linux] 如何模拟dolby atmos

https://stackoverflow.com/questions/27122564/which-version-of-linux-has-support-for-dolby-advanced-audio-v2

https://github.com/shuhaowu/linux-thinkpad-speaker-improvements

https://stackoverflow.com/questions/27122564/which-version-of-linux-has-support-for-dolby-advanced-audio-v2