1. How long need I spend if I rip CD to MP3?
A: Hero Audio Converter supports multiple hardware acceleration. When you convert CD to Mp3, it will spend about 20 second to 30 second per file.

2. I want to convert several files at one time, can I do it?
A: Hero Audio Converter supports batch conversion. You just need add all files to file list, Audio Converter will convert them at one time.

3. I world like to listen to music while converting, how can I do?
A: Hero Audio Converter supports simultaneous running of playback and conversion. You can click “Play” button to listen to file being converted.

4. Which parameters can I set when I convert to WAV, MP3，WMA, DAC or RM?
A: You can set parameters separately when you convert to WAV, MP3，WMA, DAC and RM. You can set frequency, bit rate, path and so on. All files can output to below formats: 48000HZ, stereo;48000HZ,;44100 HZ, stereo; 44100 HZ, mono;32000 HZ, stereo;32000 HZ, mono;24000 HZ, stereo; 24000 HZ, mono;22050 HZ, stereo;22050 HZ, mono;11025 HZ, stereo;11025 HZ, mono etc.

5. How to use *.ACU index file?
A: ACU is an index file format developed by Herosoft Inc. It can contain files of various audio formats. The default number of files is infinite. You can export files in menu to an ACU index file. And you can import an ACU file to list files.

6. What is the DAC format in Hero Audio Convert?
A: DAC format is based on natural audio model, so it improves audio quality. Comparing with MP3 format, it has higher audio quality under the same compression rate, even can reach 95% original effects of CD.

7. What’s HT optimization?
A: HT means Hyper-Thread, it’s a new technology released by Intel which can execute multiple tasks at one time in CPU. Hero Audio Convert has been optimized aiming at HT technology that ensures speed and fluency when converting.

8. I forget where I cache my music, how can I find them?
A: Hero Audio Convert provides local search function, you can click “Auto Search” button, select “Search Song” or “Search All”. Hero Audio Convert will search files according to your settings and show them on file list.

9. I just need change file parameters, not file format, can I do it?
A: You can select the same format, and select file parameters you want to change. Audio Convert can change the parameter without changing file format.

10. Why can't I see converting progress when I convert some files?
A: If you can’t see progress, you should check on your original files. Because of false original files, Audio Convert will decode files endlessly until you stop conversion. So please play files before you convert them to check original files.