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File extension ACT file represents a compressed voice-recording format typically created by small portable MP3/voice devices to store speech-oriented audio clips. Instead of saving full-bandwidth, uncompressed PCM like a WAV file, an ACT recording usually contains ADPCM-encoded audio at a relatively low sample rate (often around 8 kHz), which keeps file sizes very small but …
File extension ACT file represents a low-bitrate digital voice-recorder format used by many inexpensive MP3 players and handheld recorders to store speech-oriented audio clips. Unlike high-quality music formats, ACT files typically pack the signal into a narrow-band, ADPCM-compressed stream optimized for intelligible voice, not rich, full-range sound. Since relatively few current apps can open .ACT …
File extension ACT file refers to a compressed voice-recording format commonly found on budget digital voice recorders and older MP3 gadgets to store speech-oriented audio clips. Instead of saving full-bandwidth, uncompressed PCM like a WAV file, an ACT recording usually contains ADPCM-encoded audio at a relatively low sample rate (often around 8 kHz), which keeps …