Audio Enhancement

Sieve's audio enhancement app is a developer-focused audio filtering API. It's a perfect alternative to applications like Adobe Podcast Enhance for those looking for a simple, developer-focused solution.

IMPORTANT (October 1st, 2024): This function is outdated. Please find the new audio enhance here.

IMPORTANT (August 30, 2024): This function will significantly change over the next three weeks. If you have integrated this into your production code, please be sure to fix the version by passing it in as part of the function name to either the API or the SDK. We have posted an example function slug with version specifications below.

sieve/audio_enhancement:1435dc2

For detailed notes, click here.

Pricing

Note (August 30, 2024): The pricing will be changed in the coming few weeks. You can check the price of your job via the usage table or via API.

There are two slightly different pricing models listed below.

• When using all, noise-ultra, or enhance-ultra, you are billed by the second of audio at a rate of $0.04 / minute. For these options, the minimum billed amount is 3 minutes ($0.12) for each audio request sent.
• When using noise, enhance, or remove-background, you are billed for the compute time of the model with no minimum billing.

As a compute-based example, this 1-minute long audio with the noise backend option cost us $0.0014.

As another compute-based example, this 1-minute-long audio with the enhance backend cost us $0.0092.

Notes

Filters

• all - This filter removes everything but the speech from the audio while applying various adaptive and loudness filters to make the speech sound clearer.
• noise—This filter uses an open-source noise reduction model to remove background noise from the audio.
• enhance - This filter uses an open-source speech enhancement model to make the speech sound clearer.
• noise-ultra - This filter uses a proprietary noise reduction model to remove the background noise from the audio while removing any reverb.
• enhance-ultra - This filter uses a proprietary speech enhancement model to make the speech sound clearer without applying other filters that remove the background noise.
• remove-background - This filter uses an open-source speech enhancement model with audio removal techniques to remove background noise.

Supported File Formats

Audio File Formats

• MP3
• AAC
• OGG
• WAV
• M4A
• FLAC

Video File Formats

• MP4
• AVI
• MKV
• WEBM
• MOV