VOC to ADPCM - Online Audio Converter

Convert VOC to ADPCM online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.

Convert VOC to ADPCM

[+] Drop VOC audio here or click to select VOC

Output format

ADPCM (ADPCM)

Mode[i]

Simple Advanced

Quality[i]

Sample Rate[i]

Channels[i]

About VOC to ADPCM

Convert VOC to ADPCM. VOC is Creative's Sound Blaster voice format with loop markers. ADPCM predicts samples to quarter voice-band bitrates. Variants differ by vendor, so confirm the flavor before converting..

Why convert VOC to ADPCM?

Smaller files with ADPCM lossy compression.
Keep quality where supported.
Private, no upload - runs in your browser.

VOC vs ADPCM

Codec	PCM 16-bit	ADPCM
Compression	uncompressed	lossy
Sample behavior	Full quality kept	Quality set by bitrate
Typical use	VOC is Creative's Sound Blaster voice format with loop markers.	ADPCM predicts samples to quarter voice-band bitrates.

When not to convert VOC to ADPCM

Skip ADPCM for archival masters: lossy compression discards detail, so keep the VOC original.
Keep a master copy: repeated exports stack small losses, so archive VOC before batch ADPCM shares.

Limits

Starting point: VOC - VOC is Creative's Sound Blaster voice format with loop markers. Loop markers drop on export; trim manually after conversion. Variants differ by vendor, so confirm the flavor before converting. Encode ADPCM (ADPCM) from VOC at 256k for music or 128k for speech, starting from the master.

How conversion works

Conversion runs entirely in your browser with FFmpeg WASM. Files never leave your device.

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FAQ

How do I convert VOC to ADPCM?

Drop your VOC file onto this page, choose quality and codec settings, then click Convert. The result downloads as ADPCM instantly. All processing runs in your browser.

What codec is used for ADPCM?

The default codec for ADPCM is ADPCM. You can change audio parameters in Advanced mode.

How do you store my files?

We do not store any processed audio. All conversion happens entirely in your browser using FFmpeg WASM.