[X4U] convert audio format:CCITT G.726 32 Kbps (4 bits ADPCM, 8 kHz)

[silvo conticello]

> There are a number of file formats that are headerless. Without header 
> information to indicate sample rate, bit depth, encoding algorithm, 
> etc., a playback program has no information to go on about how to play 
> back the file.
>
> Let me know if I can help more.

Thanks for the explanations and the offer.
Anyhow it wouldn't make sense to ask you everytime I want to store a 
voice note....

Thanks,
Silvo