MP3 / MPGA / MPEG
Supported for direct transcription and suitable for many customer recordings.
Supported formats
Know what you can upload and what you can deliver.
Voxlumo keeps the customer workflow simple while still supporting several common audio sources and professional delivery formats.
Input recordings
M4A
Supported for direct upload and a practical choice for phone or voice-recorder audio.
WAV
Supported and useful when source quality is important.
FLAC
Supported for lossless audio workflows.
OGG / OGA
Supported audio formats.
WEBM
Supported when the file contains compatible audio.
MP4
Small MP4 files can be processed directly. Large video files should be converted or have their audio extracted before long-file processing.
Delivery formats
Clean TXT
Readable transcript without speaker/timestamp clutter.
Speaker TXT
Transcript retaining speaker labels and timestamps where available.
Meeting Pack
Transcript plus summary and meeting intelligence in one text package.
SRT / VTT
Timed subtitle files generated from transcription segments.
Markdown
Structured text for documentation or knowledge-base workflows.
JSON
Structured project data for technical handoff or downstream processing.
Printable report
Client-facing report workflow available from the report tool.
Large recordings
Large audio is handled differently from small files.
Files above the direct-upload threshold are prepared in the browser and processed in sections. This reduces upload pressure, but very long projects should still be reviewed for speaker continuity. Large MP4/video is not treated as universally compatible; extract or convert the audio first.