Audio · DenoiseAvailable

zilapi/nr-4.1

Noise Reducer 4.1. Removes background noise from speech and audio recordings. Results are delivered as 192 kbps MP3.

Limits and formats

Input formats	Common audio: WAV, MP3, M4A/AAC, FLAC, OGG and more
Max duration	6 h per file (21,600 s)
Max file size	5 GB (5,368,709,120 bytes)
Output	MP3, 192 kbps
Billing	Per second, 60 s minimum per file
Price	$0.033 / audio min = $0.00055 / s
Retention	Upload deleted 3 days after it is validated; result 7 days after the job succeeds

Create a job

Upload the file first (POST /v1/files, then /complete), wait until it is ready, then pass its id. Poll the job until status is succeeded and fetch GET /v1/jobs/{id}/output. The quickstart has every step.

curl -s https://api.zilapi.com/v1/audio/denoise \
  -H "Authorization: Bearer $ZILAPI_KEY" \
  -H "Content-Type: application/json" \
  -d '{"file": "'"$FILE_ID"'", "model": "zilapi/nr-4.1"}' \
  > job.json

JOB_ID=$(jq -r .id job.json)   # job_7Hq2xV9mKp4R

Parameters

Field	Type	Description
file required	string	The `file_…` id from `POST /v1/files`. It must be `ready`.
model	string	Optional. `zilapi/nr-4.1`, the default for audio denoise.