VS1003 데이터 시트보기 (PDF) - Unspecified

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VS1003

MP3/WMA AUDIO CODEC

Unspecified 

1 Licenses

VS1003

3 DEFINITIONS

VS1003 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.

2 Disclaimer

All properties and figures are subject to change.

3 Definitions

ABR Average BitRate. Bitrate of stream may vary locally, but will stay close to a given number

when averaged over a longer time.

B Byte, 8 bits.

b Bit.

CBR Constant BitRate. Bitrate of stream will be the same for each compression block.

CBUF Headphone Common Buffer. Outputs DC voltage.

GBUF Same as CBUF.

Ki “Kibi” = 210 = 1024 (IEC 60027-2).

Mi “Mebi” = 220 = 1048576 (IEC 60027-2).

SCI Serial Control Interface, an SPI bus for VS1003 control.

SDI Serial Data Interface, an SPI bus for VS1003 bitstream data.

VBR Variable BitRate. Bitrate will vary depending on the complexity of the source material.

VS_DSP VLSI Solution’s DSP core.

VSIDE VLSI Solution’s Integrated Development Environment.

W Word. In VS_DSP, instruction words are 32 bits and data words are 16 bits wide.

Version: 1.09, 2018-03-16

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