今天想用一下显示器自带的喇叭,忽然发现声音输出选项里HDMI的声音设备没了.之前开始使用这台显示器的时是用过一段时间的. 百度了一番,没发现什么线索.后来去谷歌找到这么一段文字: I'm not sure where to report this, but after I upgraded a Lenovo Y50 laptop to Win 10 64 Enterprise, the HDMI audio stopped working. All the drivers were instal
#import "ViewController.h" #import <AVFoundation/AVFoundation.h> @interface ViewController () @end @implementation ViewController - (void)viewDidLoad { [super viewDidLoad]; // Do any additional setup after loading the view, typically from