Convert M4A to WAV — Free Online Converter
Convert MPEG-4 Audio (.m4a) to Waveform Audio (.wav) online for free. Fast, secure audio conversion with no watermarks or registration.
Conversion settings — add a file to adjust
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M4AからWAVへの変換について
WAV (Waveform Audio File Format) is the uncompressed audio standard created by Microsoft and IBM in 1991. Converting M4A to WAV decodes the AAC or ALAC audio inside the M4A and writes it as raw PCM samples. WAV is universally supported by every operating system, DAW, audio editor, and hardware device. This conversion is the go-to when you need uncompressed audio for editing, processing, mastering, or feeding into systems that require raw PCM input.
M4AをWAVに変換する理由
DAWs like Pro Tools, Ableton Live, FL Studio, and Audacity work most efficiently with WAV files. Sample-based instruments and hardware samplers (Akai MPC, Roland SP, Elektron Digitakt) require WAV input. Broadcast and live sound systems often need WAV for reliability — no codec decoding means no latency or compatibility risks. CD mastering requires Red Book-compatible 16-bit/44.1 kHz WAV files.
主な活用例
- Importing M4A into DAWs (Pro Tools, Ableton, FL Studio) for editing and production
- Loading audio into hardware samplers that accept only WAV format
- Preparing audio for live sound playback systems where uncompressed format is required