All Sound Editor is a visual audio files editor. It can be used to build applications, that allow the end-user to perform various operations with audio data such as displaying a waveform image of an audio file, filtering, applying various audio effects, examining the frequency components and other details about your audio with the help of Frequency Analysis, Statistics, and Spectral View features, format conversion, etc.
All Sound Editor Main Features:

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Open , create and save audio files.

Display in a special window the waveform of an audio file.

Play an audio file or any part of it.

Record an audio file from a microphone or from other input device.

Get or set recording parameters; Edit an audio file visually.

Convert an audio file from one format to another.

Insert and change described information about a marker.

Insert and change described information about an audio file.

Apply different effects and Apply different filters to the selected part of an audio file.