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3-3. Using the audio system
3
In
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GS_G_U
March 29, 2010 3:11 pm
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MP3 and WMA files
MP3 (MPEG Audio LAYER 3) is a standard audio compression format.
Files can be compressed to approximately 1/10 of their original size by using MP3
compression.
WMA (Windows Media
TM
Audio) is a Microsoft audio compression format.
This format compresses audio data to a size smaller than that of the MP3 format.
There is a limit to the MP3 and WMA file standards and to the media/formats
recorded by them that can be used.
l
MP3 file compatibility
• Compatible standards
MP3 (MPEG1 LAYER3, MPEG2 LSF LAYER3)
• Compatible sampling frequencies
MPEG1 LAYER3: 32, 44.1, 48 (kHz)
MPEG2 LSF LAYER3: 16, 22.05, 24 (kHz)
• Compatible bit rates
MPEG1 LAYER3: 64, 80, 96, 112, 128, 160, 192, 224, 256, 320 (kbps)
• MPEG2 LSF LAYER3: 64, 80, 96, 112, 128, 144, 160 (kbps)
*
: Compatible with VBR
• Compatible channel modes: stereo, joint stereo, dual channel and monaural
l
WMA file compatibility
• Compatible standards
WMA Ver. 7, 8, 9
• Compatible sampling frequencies
32, 44.1, 48 (kHz)
• Compatible bit rates
Ver. 7, 8: CBR 48, 64, 80, 96, 128, 160, 192 (kbps)
Ver. 9: CBR 48, 64, 80, 96, 128, 160, 192, 256, 320 (kbps)
*
: Only compatible with 2-channel playback
Summary of Contents for 2008 GS460
Page 569: ...576 6 3 Initialization GS_G_U March 29 2010 3 11 pm I n f o r ma t i o nP r o v i d e db y...
Page 584: ...593 Alphabeticalindex GS_G_U March 29 2010 3 11 pm I n f o r ma t i o nP r o v i d e db y...
Page 604: ...Topic 2 Before Driving 19...
Page 613: ...Topic 3 When Driving 29...
Page 646: ...Memo 65...