IMA to MAUD Converter

Move gaming and embedded IMA sound into MAUD format

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IMA to MAUD Bridge

Convert raw IMA audio to MAUD — 16-bit Amiga audio accessible on modern platforms and devices.

Online Conversion

No audio tools required locally. Upload IMA, get MAUD back — all processing runs on our cloud infrastructure.

Secure Processing

Source files are removed right after conversion completes. Converted MAUD files are purged within 24 hours automatically.

How to convert IMA to MAUD

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

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

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

About formats

IMA ADPCM (Adaptive Differential Pulse-Code Modulation) is a compact audio coding standard published by the Interactive Multimedia Association in 1992, addressing the need for a lightweight, royalty-free compression scheme suitable for early multimedia PCs and embedded devices. The algorithm encodes each sample as a 4-bit nibble representing the quantized difference from the previous sample, while an adaptive step-size table adjusts dynamically to track signal amplitude — delivering a fixed 4:1 compression ratio over 16-bit PCM. Decoding requires only an integer multiply-add per sample and a small lookup table, so even modest 1990s CPUs could decompress in real time without dedicated DSP. The format became deeply embedded in the multimedia landscape: Microsoft adopted it as a standard ACM codec for WAV files, game engines relied on it for sound effects, and telephony equipment used it for voice storage. Its advantages are enduring: predictable 4:1 size reduction simplifies buffer allocation in constrained environments, the decode path runs on 8-bit microcontrollers, and the open specification made IMA ADPCM one of the most broadly implemented audio codecs in computing history.

Developer: Interactive Multimedia Association

Initial release: 1992

MAUD is an audio file format developed by MacroSystem for the Commodore Amiga platform, introduced in the early 1990s as part of their digital video and audio production tools. Built on the Amiga IFF (Interchange File Format) chunk architecture, MAUD files organize data into clearly delineated chunks — MHDR for the header, MDAT for sample data, and optional annotation chunks for metadata. The format supports mono and stereo layouts with bit depths of 8 or 16 bits and sample rates up to 48 kHz, which represented professional-grade specifications on Amiga hardware. Both signed linear PCM and A-law/mu-law encodings are available, offering a choice between fidelity and file size. MAUD saw primary use in the Amiga video production community, where MacroSystem Retina and VLab Motion boards demanded synchronized audio that the standard 8SVX format could not deliver. Conversion support exists today through SoX and libsndfile, ensuring vintage Amiga productions remain recoverable. Three distinct advantages stand out: clean IFF-based structure that any chunk-aware parser can navigate, 16-bit stereo capability ahead of typical Amiga audio, and lightweight overhead that left maximum CPU headroom for video rendering.

Developer: MacroSystem Computer GmbH

Initial release: 1992

Frequently Asked Questions

Why convert IMA to MAUD?

IMA ADPCM is headerless and hard to use outside embedded systems. MAUD provides a proper format with broad compatibility.

What applications open MAUD files?

SOX and Amiga emulators can handle MAUD files. Most are available as free downloads for major operating systems.

How is the MAUD audio quality?

MAUD provides good quality at standard settings. The output clarity depends on the original IMA recording quality.

How fast is the conversion?

Both formats produce manageable file sizes. The IMA to MAUD conversion finishes almost instantly on our infrastructure.

Are my files kept private?

Uploaded IMA files are deleted immediately after conversion. MAUD results are automatically erased from our servers within 24 hours.

Can I convert multiple IMA files?

Yes. Upload several IMA files and convert them all to MAUD in one session. Batch processing is supported.

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