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Speex to ALAC (M4A) - Online Audio Converter
Convert Speex to ALAC (M4A) online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.
Convert Speex to ALAC (M4A)
Drop Speex audio here or click to select
Speex, OGG
ALAC (M4A) (ALAC)
About Speex to ALAC (M4A)
Convert Speex to ALAC (M4A). Speex compresses speech at telecom bitrates for voice apps. ALAC is Apple's lossless codec stored inside M4A files. Stays bit-identical to WAV while tagging like AAC..
Why convert Speex to ALAC (M4A)?
- Larger files than lossy shares with ALAC (M4A) lossless quality.
- Keep quality where supported.
- Private, no upload - runs in your browser.
Speex vs ALAC (M4A)
| Codec | Speex | ALAC |
|---|---|---|
| Compression | lossy | lossless |
| Sample behavior | Quality set by bitrate | Full quality kept |
| Typical use | Speex compresses speech at telecom bitrates for voice apps. | ALAC is Apple's lossless codec stored inside M4A files. |
When not to convert Speex to ALAC (M4A)
- Skip ALAC (M4A) for the smallest share: lossless output stays large, so prefer a lossy target when sending Speex files.
- Keep a master copy: repeated exports stack small losses, so archive Speex before batch ALAC (M4A) shares.
Limits
Starting point: Speex - Speex compresses speech at telecom bitrates for voice apps. Wideband modes confuse old tools; verify rate after conversion. Stays bit-identical to WAV while tagging like AAC. Encode ALAC (M4A) (ALAC) from Speex 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 Speex to ALAC (M4A)?
Drop your Speex file onto this page, choose quality and codec settings, then click Convert. The result downloads as ALAC (M4A) instantly. All processing runs in your browser.
What codec is used for ALAC (M4A)?
The default codec for ALAC (M4A) is ALAC. 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.