Downsample audio to WAV
Resample a short recording to a chosen sample rate and export PCM WAV.
Downsample audio to WAV: inputs, results and limitations
Resample a short recording to a chosen sample rate and export PCM WAV.
How to use Downsample audio to WAV
- Choose the appropriate input file. General limits are 30 MB per file and 100 MB total.
- Review the options before running: Output sample rate (Hz): 16000
- Inspect the preview or result, then download a new file.
An illustrative use case
A voice recording exported at a lower sample rate as PCM WAV.
Select a real sample file you are allowed to process. Begin with a short, simple input before attempting a complex document or recording.
What to inspect in the output
Listen for reduced detail and compare actual byte sizes. PCM may be larger than a compressed MP3 source even at a lower sample rate.
Where this tool stops
PCM WAV export; downsampling may reduce quality. Output may exceed a compressed MP3 input.
Settings and starting values
| Control | Starting value |
|---|---|
| Output sample rate (Hz) | 16000 |
Troubleshooting Downsample audio to WAV
Check that the source decodes in the browser and that start/end times fit its duration. Listen on a modest volume before accepting gain or filter changes. Unsupported codecs need a different source or decoder.
Questions about Downsample audio to WAV
Will this always make an MP3 smaller?
No. WAV is uncompressed PCM in this workflow. It is downsampling, not an MP3 compression encoder.
What input does Downsample audio to WAV need?
Choose audio/* input. PCM WAV export; downsampling may reduce quality. Output may exceed a compressed MP3 input.
Which options does Downsample audio to WAV provide?
Output sample rate (Hz). Review the starting values in the table and adjust them for your input.
Your original input is preserved. Review the new output before using it in a published page, customer delivery or production workflow.
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