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Convert ACT to MP2 online quickly and easily. Just upload your file, convert it, and download the MP2 in seconds.
ACT is the compressed recording format written by inexpensive digital voice recorders and dictaphones. It stores speech with the G.729 codec at telephone quality, 8 kHz mono, so hours of dictation fit into very little memory. Ordinary media players and audio editors rarely open it, which is why recordings tend to stay on the device until they are converted.
MP2 is a digital audio compression format primarily used for encoding audio files, particularly music and speech. It is based on the MPEG-1 Audio Layer II standard and is known for its ability to reduce file size while maintaining reasonable sound quality.
ACT here is the ACT Voice format, the compressed recording format used by inexpensive dictaphones and voice recorders. It encodes speech with G.729, a low-bitrate codec built for telephone networks, to squeeze hours of recording onto cheap flash memory — and the firmware that writes it rarely comes with anything that reads it, so recordings tend to get stuck on the device.
MP2 is MPEG-1 Audio Layer II, an older but very widely supported audio format with a long history in broadcast. For voice recordings it is more than adequate, and anything that handles audio will open it. Do not expect the conversion to improve the recording: ACT is mono at telephone-quality 8 kHz, and that ceiling comes along with the audio — MP2 reproduces what was captured without adding clarity the microphone never recorded. If you simply want the recording to play everywhere, MP3 is the more common choice; MP2 fits when a broadcast or editing workflow asked for it.
Start converting ACT to MP2 now — it’s fast, safe, and completely online!