Hello, dear!
Have a nice day!
The following content is the voice file format when we need to upload it to the U19.
The codec is G.711a.
The announcement recorded is in mono.pcm format.
The sampling rate is 8 kHz, sample precision is 8 bit.
The size of a single voice file cannot exceed 256 KB. The recording duration can last at most 32s for both of them. For the value range of the channel numbers and the total size of voice files.
Thanks for reading!

