MIDI to WAV:
Check the format before you send it.

Export the MIDI part through its instrument as WAV, then match the actual sample rate, channel count and integer-or-float format to the receiving app's requirements. A .wav extension alone does not tell you those settings. Our example is stereo, 44.1 kHz, 32-bit floating-point—not 16-bit integer PCM.

This page answers the WAV handoff question, not a search for a new transcription tool. For the general notes-to-audio process and a listening MP3, see rendering MIDI to MP3.

Use the export your music app already has

A reader supplied this r/lmms comment about exporting a single track:

“You can put that track in solo mode or mute the others and export”

This is a reader-supplied community excerpt, not our test or an independently retrieved thread. The useful idea is to decide which part you want before exporting.

Audition the intended part through its instrument. Solo it or mute unwanted parts when you need just that part; inspect shared effects and export selection so the result contains what you intend.
Select audio export and choose WAV. In MuseScore Studio, use File → Export, select WAV and choose the score or parts. Follow your own app's export controls, not a filename rename.
Set the handoff format from the destination's specification. Record sample rate, channels, bit depth and whether samples are integer or floating-point. If the destination requires integer PCM, do not send a float file merely because both end in .wav.
Import the result into the actual destination. Check its reported format and audition the start and ending. A successful export in the source app does not establish that another app accepts it.

The official MuseScore export handbook documents WAV output for further audio editing. MIDI remains the editable note source; WAV is the rendered instrument sound.

A compact format check

Sample rate: compare the file's reported rate with the destination's requested rate. Write it down rather than assuming a default.
Channels: confirm whether the recipient wants mono or stereo. Soloing one instrument does not itself prove that its export is mono.
Sample representation: distinguish integer PCM from floating-point. “32-bit” without that distinction is an incomplete handoff description.
Acceptance: check the receiving app itself. A valid header and nonzero samples establish properties of a file, not universal compatibility.

Microsoft's WAVEFORMATEX documentation distinguishes integer PCM from IEEE floating-point samples and describes the rate, channel and frame-alignment fields.

Example handoff note: “One selected instrument part; stereo; 44,100 Hz; 32-bit float WAV. Please confirm float support before importing.” That communicates something a bare filename cannot. If the recipient instead specifies 24-bit integer audio at another rate, re-export or convert to that exact specification and verify the new file; relabeling the old one is not conversion.

An actual WAV, not assumed export settings

On October 4, 2026, we rendered the site's known four-note MIDI using installed MuseScore Studio 4.7.5 and MuseScore Basic. On October 5, we re-read that unchanged output on this machine, verified its SHA-256, parsed its RIFF fmt and data chunks, and checked every floating-point sample. This was a fresh file inspection, not a second render or a destination-import test.

Sample format: 32-bit IEEE float · tag 3
Rate / channels: 44,100 Hz · 2 channels
Audio duration: 5.000 seconds · 220,500 frames

The file is 1,764,046 bytes; its audio data is 1,764,000 bytes with eight bytes per stereo frame. Dividing by eight gives 220,500 frames; dividing again by 44,100 gives five seconds. The peak sample magnitude is 0.167743, rounded, and 434,174 channel-samples are nonzero. These numbers describe this file, not a quality score or exported-note timing error.

We did not measure listening quality, DAW import compatibility or output-note timing, and we do not claim every WAV exporter uses these settings.

Looking for the opposite direction?

Turning audio into editable notes is a different task. If a transcription has wrong notes, use the existing repair-versus-re-entry check. If you specifically want to avoid AI transcription, read the non-AI audio-to-MIDI answer. Those forward-direction problems are not solved by exporting this WAV.