Piezo

Piezo is an audio recording application for macOS that captures sound from applications and input devices. The software works by selecting an audio source and clicking the record button. Recordings are saved in standard audio formats with adjustable quality settings.

★★★★★

5.0(1 ratings)

• Audio source selection. Piezo automatically detects all active applications and audio devices connected to the system. Selection is made via a dropdown list displaying identifiable names of programs and audio hardware.
• One-click recording. The main interface contains a large record button that starts and stops audio capture. Recording status is visually shown with a red indicator and a timer.
• Predefined quality presets. The application includes preset configurations for different uses: voice quality, standard music, and high-fidelity audio. Each preset automatically configures the bit rate and sampling frequency.
• Recording from specific applications. The software can capture audio from web browsers like Safari and Chrome, VoIP clients like Zoom and FaceTime, music players like Spotify and Apple Music, and video players like VLC and IINA.
• Input device capture. Piezo records from external microphones, USB audio interfaces, and built-in headphones. It automatically detects when new audio devices are connected.
• Channel separation in VoIP. During internet call recording, the software can save participant audio in separate channels. This feature facilitates subsequent editing of each voice individually.
• Customizable metadata. Before each recording, the file name can be edited and comments can be added. This information is embedded in the resulting audio file's metadata.
• Multiple export formats. Recordings are saved in MP3, AAC, FLAC, and WAV formats. The choice of format affects file size and audio quality.
• Recording organization. Audio files are saved in a user-designated folder with a customizable date structure and name. The application maintains a history of recent sessions.
• Audio level monitor. A visual meter displays real-time input levels during recording. This indicator helps adjust the source volume before starting.
• Scheduled recording. The timer function allows setting automatic start and end for recordings. Specific durations or concrete times can be set.
• Compact interface. The main window occupies minimal screen space with essential controls visible. It can be kept always on top or hidden when not in use.

Piezo was developed by Rogue Amoeba Software, a company specialized in audio applications for macOS. Development began in 2012 as a simplified solution for audio recording. The first public version was released in 2013. The program is written in Objective-C and uses native macOS frameworks for audio processing.

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