Before you start reading the second part of this article, you can read the previous part using this link; https://news.edaface.com/2026/05/22/step-by-step-guide-on-minting-audio-nfts/
Audio-Thumb File Pairs
Note the following important points while preparing your Audio and Thumb Files for minting:
(i) Same Number of Audio and Thumb
The number of Thumb Files you upload for minting must be equal to the number of Audio Files for minting.
For example, if you want to produce 7 different Audio NFTs at one time, you will need to upload:
7 different Audio Files
7 Thumb Files.
Note that if you do not want each of these 7 different Audio NFTs to have the same background appearance, then all 7 Thumb Files should have different appearances.
(ii) Similar Names for Audio Files and Thumb Files.
The name of a Thumb File must be the same as the name of its Audio File.
This is because EdaFace Minting System pairs each Audio File to a Thumb File. Therefore, if the name of the Audio File is different from its Thumb File, such a pairing will not occur.
See an example in Table 1. There are seven different NFTs that Eddie wants to mint. As such, he has produced seven different Audio Files, which he has named:
fabrid grieta jesuia preaudic
singol testaudio viepre.

To view table 1, click on this link; https://info.edaface.com/index.php/knowledge-base/article/minting-format-audio-nft
Table 1: Seven Audio Files for minting
Eddie wanted each of his seven NFTs to have a different background cover. As such, he has customized seven different images in PNG format as the Thumb Files for his NFTs.
Note that Eddie’s Thumb Files are seven in number, just like the number of his Audio Files.
Also, note that the name of each Thumb File corresponds to the name of an Audio File. See Table
Table 2: Seven Thumb Files; each name corresponds to each Audio File in Table 1.
To view table 2, click on this link; https://info.edaface.com/index.php/knowledge-base/article/minting-format-audio-nft
Important Details
Note the following important details:
(i). The total maximum file size is fifty megabytes (50 mb). That is, the collective size of all Audio Files and Thumb Files you want to upload may not be more than 50 mb for each minting.
(ii). The name of a file is case-sensitive. Make sure that the way you name an Audio File is exactly the same way you name its corresponding Thumb File.
(iii). For your easy access and reference, you may keep all the files in folders as shown in Tables 1 and 2 above. One folder can be for the Audio Files, while a second folder can be for the Thumb Files.
(iv). The way you arrange the files in a folder does affect the pairing process of Audio-Thumb Files.
Contact Edaface Admin
If you need assistance with minting an Audio NFT on EdaFace NFT Marketplace, don’t hesitate to email EdaFace Admin via [email protected].
You can also join EdaFace social media platforms to interact with EdaFace Admin.
Thank you for choosing to mint on EdaFace.
Visit the EdaFace NFT Marketplace today and start minting your audio NFTs: https://nft.edaface.com
