CDIMP31WMAIAAC Operations
MP31WMAIAAC
What is MP3?
MP3 is an audio compression method and classified into audio layer 3 of MPEG standards. This audio compression method has penetrated into PC users and become a standard format.
This MP3 features the original audio data compression to about 10 percent of its initial size with a high sound quality. This means that about 10 music CDs can be recorded on a
What is WMA?
WMA is the abbreviation of Windows Media Audio, an audio file format developed by Microsoft Corporation.
Notes:
•If you playa file with DRM (Digital Rights Management) for WMA remaining ON, no audio is output (The WMA indicator blinks).
•Windows Media TM, and the Windows ® logo are trademarks, or registered trademarks of Microsoft Corporation in the United States and/or other countries.
•To disable DRM (Digital Rights Management)
1.When using Windows Media Player 9/10/11, click on TOOL ~ OPTIONS ~ MUSIC . RECORD tab, then under Recording settings, unclick the Check box for RECORD PROTECTED MUSIC. Then, reconstruct files.
Personally constructed WMA files are used at your own responsibility.
What is AAC?
•AAC is an acronym for uAdvanced Audio Coding" and refers to the audio compression method used with video compression standards
•AAC files composed with the following conditions can be played:
-AAC files encoded with iTunes.
-iTunes Ver. 7.0 or earlier.
-File extension U. m4a" (u.M4A")
•Tracks purchased at an iTunes Music store, and
•When playing AAC files that include image data, additional time may be required before playback begins.
•Files may not play properly, depending on the iTunes version under which an AAC file is encoded.
Precautions when creating MP31 WMAIAAC file
•Usable sampling rates and bit rates
1.MP3: Sampling rate 8
2.WMA: Bit rate 8
3.AAC: Sampling rate 8
•File extensions
1.Always add a file extension u.MP3", u.WMA" or ".M4A" to MP3, WMA or AAC file by using single byte letters. If you add a file extension other than specified or forget to add the file extension, the file cannot be played.
2.Files without MP3IWMAlAAC data will not play. The indication UNO FILE" appears in the play time display if you attempt to play files without MP3IWMAlAAC data.
*When VBR files are played, the play time display may differ the play location.
*When MP3IWMAlAAC files are played, a little no sound part is caused between tunes.
18 DXZ385USB
