Speex to AMR-WB - Online Audio Converter

Convert Speex to AMR-WB online. Private, client-side - no uploadrequired. Batch conversion, quality presets, codec control.

Convert Speex to AMR-WB

[+] Drop Speex audio here or click to select Speex, OGG

Output format

AMR-WB (AMR-WB)

Mode[i]

Simple Advanced

Quality[i]

Sample Rate[i]

Channels[i]

About Speex to AMR-WB

Convert Speex to AMR-WB. Speex compresses speech at telecom bitrates for voice apps. AMR-WB widens speech to 16 kHz for HD voice calls. 16 kHz sampling caps highs; keep a master for music..

Why convert Speex to AMR-WB?

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

Speex vs AMR-WB

Codec	Speex	AMR-WB
Compression	lossy	lossy
Sample behavior	Quality set by bitrate	Quality set by bitrate
Typical use	Speex compresses speech at telecom bitrates for voice apps.	AMR-WB widens speech to 16 kHz for HD voice calls.

When not to convert Speex to AMR-WB

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

Limits

Starting point: Speex - Speex compresses speech at telecom bitrates for voice apps. Wideband modes confuse old tools; verify rate after conversion. 16 kHz sampling caps highs; keep a master for music. Encode AMR-WB (AMR-WB) 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 AMR-WB?

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

What codec is used for AMR-WB?

The default codec for AMR-WB is AMR-WB. 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.