Pull out Audio from Video files with AoA Audio Extractor

Often I download videos, whose audio parts are of my interest. In such cases to convert video files to audio files I use AoA Audio Extractor for a long time. According developers description

AoA Audio Extractor is a totally free audio extractor, which provides you a handy tool to extract audio/sound or background music from videos.

Features & Specifications

Installer [audioextractor.exe ; 7.98 Mb] is not digitally signed.

installation is fast and requires 27.6 Mb of disk space but you need to be careful because may get to see a recommended software that is NOT needed by AoA Audio Extractor and is just an advertisement. Make sure to click Decline.

Caution to be taken during installation

The GUI is decent and can't be resized. Supports multiple instances.

Main GUI

Supports AVI, MPEG, MPG, FLV, DAT, WMV, MOV, MP4, 3GP video files as input and MP3, WAV and AC3 as audio output formats.

You will also be able to to configure audio outputs like its Bitrate (among 32, 40, 48, 56, 64, 80, 96, 112, 128, 192, 224, 256, 320 kbps), Sample Rate (among 48000, 44100, 32000, 22050 Hz) and Channel (Stereo or Mono).
You can choose convert particular fraction of the video.

Select the portion of Video to convert

It supports batch processing. A single instance of GUI can handle 4 files in batch, although officially it should support 3 files.

Conversion Progress

Output path can be set to custom location but by default it is set to a drive other than the system drive. In my case it was G:\MyAudio\.

Runs well on all Windows version both 32 and 64 bit. The resource usage is moderate.

At Idle Time

During Extraction

My Verdict

Although I like this software but it has few many disadvantages and problems in coding.

I always face a problem in its GUI in my Windows 7 Professional 64 bit OS. I haven't tried it in other OS.

Bug in the GUI

The default path of the output folder is created on G:\MyAudio\ in my case where G is the drive letter of my USB drive. This is so strange, it should have made it any local drive.
Even after removing the USB drive and starting conversion, it did not give me any error about the absence of the output path; it simply skipped all the operations but still gave a successful message.
It overwrites similar named files in the output folder without showing any alert.
It doesn't have any offline or online documentation, although the software is pretty easy to use.

The software needs to have some more features to appeal more users like