MP4 to WVE Converter

Extract Psion 8-bit audio from MP4 videos online

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Psion Compatible

WVE is the native audio for Psion PDAs. Converting MP4 audio to WVE creates files that work on these handheld devices and emulators.

Lightweight Output

WVE files are small thanks to A-law compression — practical for the limited storage of Psion handheld devices.

Cloud-Based Conversion

No Psion development tools needed. Our servers handle the MP4 to WVE extraction and encoding entirely.

How to convert MP4 to WVE

Select files from Computer, Google Drive, Dropbox, URL or by dragging it on the page.

Choose wve or any other format you need as a result (more than 200 formats supported)

Let the file convert and you can download your wve file right afterwards

About formats

MP4 (MPEG-4 Part 14) is the most widely used multimedia container format in the world, standardized by the Moving Picture Experts Group as part of the MPEG-4 specification in 2003. Built on the ISO base media file format (MPEG-4 Part 12), which itself drew from the Apple QuickTime container, MP4 uses a hierarchical atom/box structure that can encapsulate virtually any type of media data. The container most commonly packages H.264 or H.265 video with AAC audio, though it also supports a wide range of alternative codecs including AV1, VP9, MPEG-4 Visual, AC-3, and ALAC. The design supports advanced features such as streaming hints for progressive download and adaptive streaming, chapter markers, multiple audio and subtitle tracks, metadata tags, and embedded thumbnail images. A standardized structure and broad codec support have made MP4 the default choice for online video platforms, mobile devices, digital cameras, and operating system media libraries. HTML5 video with H.264 in MP4 is supported by every major web browser, establishing the combination as the universal baseline for web video delivery. Efficient packaging overhead, combined with the compression capabilities of modern codecs it carries, enables high-quality video distribution at practical file sizes across bandwidth-constrained networks and storage-limited devices.

Developer: Moving Picture Experts Group

Initial release: 2003

WVE is the audio format native to the Psion Series 3 family of personal digital assistants, released by British company Psion PLC beginning in September 1991. These clamshell PDAs included a built-in voice recorder, and all dictation functionality relied on WVE files to store captured sound. Each file begins with the ASCII signature "ALawSoundFile**" followed by a minimal header, then raw A-law encoded audio sampled at 8 kHz — a rate inherited from digital telephony standards. At 8000 bytes per second, a one-minute recording occupies just 480 KB, which was essential given that Psion devices stored data on SRAM cards typically ranging from 128 KB to 2 MB. The A-law encoding provides reasonable speech clarity within these tight storage constraints, prioritizing intelligibility over high-fidelity reproduction. WVE files can be converted to WAV or other modern formats using SoX, Awave Studio, or specialized Psion file utilities. While the format is firmly a product of early-1990s handheld computing, it holds historical significance as one of the first audio recording formats designed for pocket-sized consumer devices. Collectors and researchers studying mobile computing history occasionally encounter WVE files when recovering data from legacy SRAM media.

Developer: Psion PLC

Initial release: 1991

Frequently Asked Questions

Why convert MP4 to WVE?

WVE is the audio format for Psion handheld devices. Converting creates audio files compatible with Psion PDAs and emulators for this platform.

What opens WVE files?

Psion devices, SoX, and Psion emulators can handle WVE files. It is a specialized format for this specific handheld platform.

Is WVE widely used?

WVE is a niche format for the Psion PDA ecosystem. Its use is limited to Psion enthusiasts and retro handheld computing projects.

Can I batch convert?

Upload several MP4 files at once. Each audio track is extracted to a separate WVE file simultaneously.

What encoding does WVE use?

WVE uses 8-bit A-law encoding — a compact representation of audio suited to the limited hardware of Psion handheld devices.

Does WVE remove the video?

Yes — only the audio track from your MP4 is kept. The result is a Psion-compatible WVE audio file.

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Specific converters

MP4 to WVE

MP3 to WVE

WAV to WVE

M4A to WVE

WMV to WVE

MKV to WVE

MOV to WVE

OGG to WVE

ASF to WVE

WEBM to WVE

AAC to WVE

OPUS to WVE

WMA to WVE

SMP to WVE

3GP to WVE

MPEG to WVE

AAF to WVE

AVI to WVE

FLAC to WVE

TS to WVE

AMR to WVE

AIFF to WVE

MTS to WVE

3G2 to WVE

AV1 to WVE

AVCHD to WVE

CAVS to WVE

DIVX to WVE

DV to WVE

F4V to WVE

MP4 to WVE Quality Rating

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