VS1033 Datasheet, PDF (9/70 Pages) List of Unclassifed Manufacturers – MP3/AAC/WMA/MIDI AUDIO CODEC

VLSI
Solution ^y
VS1033a PRELIMINARY
VS1033A
1. LICENSES
1 Licenses
MPEG Layer-3 audio decoding technology licensed from Fraunhofer IIS and Thomson.
Note: if you enable Layer I and Layer II decoding, you are liable for any patent issues that may
arise from using these formats. Joint licensing of MPEG 1.0 / 2.0 Layer III does not cover all patents
pertaining to layers I and II.
VS1033 contains WMA decoding technology from Microsoft.
This product is protected by certain intellectual property rights of Microsoft and cannot be used
or further distributed without a license from Microsoft.
VS1033 contains AAC technology (ISO/IEC 13818-7) which cannot be used without a proper license
from Via Licensing Corporation or individual patent holders.
To the best of our knowledge, if the end product does not play a specific format that otherwise would
require a customer license: MPEG 1.0/2.0 layers I and II, WMA, or AAC, the respective license should
not be required. Decoding of MPEG layers I and II are disabled by default, and WMA and AAC format
exclusion can be easily performed based on the contents of the SCI HDAT1 register.
2 Disclaimer
This is a preliminary datasheet. All properties and figures are subject to change.
3 Definitions
B Byte, 8 bits.
b Bit.
Ki “Kibi” = 2¹⁰ = 1024 (IEC 60027-2).
Mi “Mebi” = 2²⁰ = 1048576 (IEC 60027-2).
VS DSP VLSI Solution’s DSP core.
W Word. In VS DSP, instruction words are 32-bit and data words are 16-bit wide.
Version 0.6, 2005-01-05
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