Question: What is recommended the level of wav normalization?
Answer: Recommended level of wav-normalisation is equal 100%. It is maximum level the wav-normalization. And it does not bring any distortions.
Question: What is recommended the level of mp3 normalization?
Answer: Recommended level of mp3-normalization is equal 100%. It is level of mp3 normalization not bringing distortions for the majority of mp3 files. As it is average level normalization that any other value not equal 100 % does not mean automatic entering of distortions.
Question: Probably, whether to make from a command line batch operation of files?
Answer: Such possibility it is provided for wav files.
Question: I used the software to update itself to 2.99. Now the program shows a runtime error even after i put in my registration. Can you help?
Answer: Try to update Windows 7.
Try to install these packages http://www.microsoft.com/downloads/en/details.aspx?familyid=9b2da534-3e03-4391-8a4d-074b9f2bc1bf&displaylang=en
If it does not help then it is necessary to come back to version 2.98.