Datasheet

TAS5548
SLES270 –NOVEMBER 2012 www.ti.com
11.48 192kHz Dolby Downmix Coefficients (0xFB & 0xFC)
Each gain coefficient is in 28-bit (5.23) format, so 0x80 0000 is a gain of 1. Each gain coefficient is written
as a 32-bit word with the upper four bits not used. For eight gain coefficients, the total is 32 bytes.
Table 11-69. 192kHz Dolby Downmix Coefficients
I
2
C TOTAL REGISTER DEFAULT
DESCRIPTION OF CONTENTS
SUBADDRESS BYTES Fields STATE
0xFB 16 dolby_COEF1L 192kHz SDIN1-left to SDOUT-left down-mix coefficient (default = 0029 0333
(D1_L) 1/3.121)
dolby_COEF2L 192kHz SDIN1-right to SDOUT-left down-mix coefficient (default = 001C FEEF
(D2_L) 0.707/3.121)
dolby_COEF3L 192kHz SDIN3-left to SDOUT-left down-mix coefficient (default = - FFE3 0111
(D3_L) 0.707/3.121)
dolby_COEF4L 192kHz SDIN3-right to SDOUT-left down-mix coefficient (default = - FFE3 0111
(D4_L) 0.707/3.121)
0xFC 16 dolby_COEF1R 192kHz SDIN1-left to SDOUT-right down-mix coefficient (default = 0029 0333
(D1_R) 1/3.121)
dolby_COEF2R 192kHz SDIN1-right to SDOUT-right down-mix coefficient (default = 001C FEEF
(D2_R) 0.707/3.121)
dolby_COEF3R 192kHz SDIN3-left to SDOUT-right down-mix coefficient (default = 001C FEEF
(D3_R) 0.707/3.121)
dolby_COEF4R 192kHz SDIN3-right to SDOUT-right down-mix coefficient (default = 001C FEEF
(D4_R) 0.707/3.121)
114 Serial-Control Interface Register Definitions Copyright © 2012, Texas Instruments Incorporated
Submit Documentation Feedback
Product Folder Links: TAS5548