Creative Voice File

Writable

audio

Creative Voice File is an audio format developed in the 1990s developed by Creative Labs for the storage of uncompressed PCM audio data for use on Sound Blaster boards.

Identify it

Extensions	`.voc`
MIME types	`audio/x-voc`
Signatures	`437265617469766520566f6963652046696c65` at byte 0 (Creative Voice File) `437265617469766520566f6963652046` at byte 0
PRONOM	`fmt/1736`
Wikidata	`Q27967410`

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Open it

FFmpegOpen sourcereads and writes · LGPL-2.1-or-later / GPL-2.0-or-later
Music on ConsoleOpen sourcereads · GNU General Public License
VLC media playerOpen sourcereads · GNU Lesser General Public License, version 2.1 or later
Sound Forge XP 3.0reads and writes
Awave Studioreads

Convert it

To	With	Fidelity	Command and losses
FLAC (Free Lossless Audio Codec) 1.2.1	FFmpeg	Lossless	`ffmpeg -i in.voc out.flac` Lossless for decoded audio; a lossy source stays as degraded as it was. WAV may reduce bit depth or drop metadata.
Waveform Audio	FFmpeg	Lossless	`ffmpeg -i in.voc out.wav` Lossless for decoded audio; a lossy source stays as degraded as it was. WAV may reduce bit depth or drop metadata.
Matroska 1-4	FFmpeg	Lossy	`ffmpeg -i in.voc out.mkv` Re-encoded with lossy codecs by default; try `-c copy` to remux without re-encoding when the codecs fit the container.
MPEG 1/2 Audio Layer 3	FFmpeg	Lossy	`ffmpeg -i in.voc out.mp3` Lossy re-encoding.
MPEG-4 Part 14	FFmpeg	Lossy	`ffmpeg -i in.voc out.mp4` Re-encoded with lossy codecs by default; try `-c copy` to remux without re-encoding when the codecs fit the container.
Ogg	FFmpeg	Lossy	`ffmpeg -i in.voc out.ogg` Lossy re-encoding.
WebM	FFmpeg	Lossy	`ffmpeg -i in.voc out.webm` Re-encoded with lossy codecs by default; try `-c copy` to remux without re-encoding when the codecs fit the container.

Documentation

kaitai grammar: https://github.com/kaitai-io/kaitai_struct_formats/blob/master/media/creative_voice_file.ksy

Sources

From Converters (FFmpeg, ImageMagick, Pandoc, LibreOffice), Just Solve the File Format Problem (File Formats Wiki), Kaitai Struct format gallery, PRONOM, Wikidata. Updated 2026-10-24.

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