AU to AAC

Convert AU to AAC, AU to AAC Converter

AAC MP3 Converter Screen Shots
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AU to AAC Software

Convert AU to AAC


AU to AAC software converts AU to AAC and supports more than 90 audio and video files. The software also supports batch conversion.

  1. Free Download AU to AAC Software and then install the software by instructions

  2. Launch AU to AAC Software
  3. Choose AU Files


  4. 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 and then click Open.

  5. Choose Target File Format

    to AAC
    Choose "to AAC"

  6. Convert AU to AAC

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

    Converting
    The software is converting AU files into AAC format.

  7. Play & Browse


  8. Play & Browse
    When conversion completes, you can right-click converted item and choose "Play Destination" to play the destination file; or choose "Browse Destination Folder" to open Windows Explorer to browse the destination file.

  9. 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 u-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 u-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 AAC?
Advanced Audio Coding (AAC) is a standardized, lossy compression and encoding scheme for digital audio. Designed to be the successor of the MP3 format, AAC generally achieves better sound quality than MP3 at many bit rates.

AAC has been standardized by ISO and IEC, as part of the MPEG-2 & MPEG-4 specifications. The MPEG-2 standard contains several audio coding methods, including the MP3 coding scheme. AAC is able to include 48 full-bandwidth (up to 96 kHz) audio channels in one stream plus 15 low frequency enhancement (LFE, limited to 120 Hz) channels and up to 15 data streams. AAC is able to achieve indistinguishable audio quality at data rates of 320 kbit/s (64kbit/s/channel) for five channels. The quality is close to CD also at 96 kbit/s (48kbit/s/channel) for stereo.

AAC's best known use is as the default audio format of Apple's iPhone, iPod, iTunes, and the format used for all iTunes Store audio (with extensions for proprietary digital rights management).

AAC is also the standard audio format for Sony's PlayStation 3 and is supported by Sony's Playstation Portable, latest generation of Sony Walkman, Sony Ericsson Walkman Phone, Nintendo's Wii (with the Photo Channel 1.1 update installed for Wii consoles purchased before late 2007) and the MPEG-4 video standard. HE-AAC is part of digital radio standards like DAB+ and Digital Radio Mondiale.

Convert AU to AAC Related Topics: 3GP to AAC, AVI to AAC, AC3 to AAC, AIFF to AAC, AU to AAC, CDA to AAC, M4A to AAC, M4B to AAC, MOD to AAC, MP3 to AAC, MTM to AAC, OGA to AAC, SND to AAC, SPX to AAC, WAV to AAC, WMA to AAC, DIF to AAC, DTS to AAC, DVD to AAC, MOV to AAC, MP2 to AAC, MPA to AAC, VOB to AAC, VOC to AAC

 

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