AU to MP3

Convert AU to MP3, Convert AU to MP3 Format

WAV MP3 Converter
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WAV MP3 Converter

Convert AU to MP3


WAV MP3 Converter converts AU files to MP3 format easily and quickly. The software also supports more than 150 audio and video files and batch conversion.

  1. Free Download WAV MP3 Converter
  2. Install the Program by Step-by-step Instructions
  3. Launch WAV MP3 Converter by Clicking Start -> All Programs -> WAV MP3 Converter -> WAV MP3 Converter
  4. Choose AU Files


  5. Click "Add Files"
    Click "Add Files" button to choose AU files and add them to conversion list.

    Choose one or more AU files
    Choose one or more AU files you want to convert.

  6. Choose Target File Format

    to MP3
    Choose "to MP3"

  7. Convert AU to MP3

    Click Convert
    Click "Convert" to convert all AU files into MP3 format.

    Convert to One
    You can also click "Convert to One" to convert and combine/join/merge all AU files to one MP3.

    Converting AU to MP3
    The software is converting AU files into MP3 format.

  8. Play & Browse


  9. Play & Browse
    Right-click converted item and choose "Play Destination" to play the destination file, choose "Browse Destination Folder" to open Windows Explorer to browse the destination file.

  10. Done
Top

What is AU?
The Au file format is a simple audio file format introduced by Sun Microsystems. The format was common on NeXT systems and on early web pages. Originally it was headerless, being simply 8-bit 0…8-law-encoded data at an 8000 Hz sample rate. Hardware from other vendors often used sample rates as high as 8192 Hz, often integer factors of video clock signals. Newer files have a header that consists of six 32-bit words, an optional information chunk and then the data (in big endian format). Although the format now supports many audio encoding formats, it remains associated with the 0…8-law logarithmic encoding. This encoding was native to the SPARCstation 1 hardware, where SunOS exposed the encoding to apps through the /dev/audio interface. This encoding and interface became a de facto standard for Unix sound.

What is MP3?
MPEG-1 Audio Layer 3, more commonly referred to as MP3, is a digital audio encoding format using a form of lossy data compression. It is a common audio format for consumer audio storage, as well as a de facto standard encoding for the transfer and playback of music on digital audio players. MP3's use of a lossy compression algorithm is designed to greatly reduce the amount of data required to represent the audio recording and still sound like a faithful reproduction of the original uncompressed audio for most listeners, but is not considered high fidelity audio by audiophiles. An MP3 file that is created using the mid-range bit rate setting of 128 kbit/s will result in a file that is typically about 1/10th the size of the CD file created from the original audio source. An MP3 file can also be constructed at higher or lower bit rates, with higher or lower resulting quality. The compression works by reducing accuracy of certain parts of sound that are deemed beyond the auditory resolution ability of most people. This method is commonly referred to as perceptual coding. It internally provides a representation of sound within a short term time/frequency analysis window, by using psychoacoustic models to discard or reduce precision of components less audible to human hearing, and recording the remaining information in an efficient manner. This is relatively similar to the principles used by JPEG, an image compression format.

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