Audio Hijack Pro as well as Ambrosia Software companies are launching Wiretap Studio similar ,Piezo You can also record audio signals directly from specific applications , For example, in the figure of this paper , I recorded the music played in Douban radio station （Safari Applications ）, Of course, you can also record the audio signal from the computer microphone . The only thing you can control is ： Audio source , The type of recording file saved , Where to save the recorded file and give the recorded file a name or an introduction . There is no discount in the quality of recording --AAC 256kbps stereo .
Recording from apps and devices in Piezo Select an application or audio device from the , And then click Record Save audio ！ Simple podcast recording from Skype And others VoIP Application's Piezo Easy to record . It can even save audio to different channels for easy editing .
stay macOS On , You can choose to use QuickTime Fast recording of audio content , But there are very few customization options available . So Xiaobian recommends Piezo This small but efficient recording tool , Audio content can be extracted from audio devices and specific applications . meanwhile , The application also supports different output file formats ：M4A For personal use , If you plan to distribute recordings online , It supports MP3. Like friends can come to download and use ！