STA014B datasheet(30/45 Pages) STMICROELECTRONICS

부품명	STA014B

상세설명	MPEG 2.5 LAYER III AUDIO DECODER WITH ADPCM AND SRS WOWO POSTPROCESSING CAPABILITY

PDF	45 Pages

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제조업체	STMICROELECTRONICS [STMicroelectronics]

홈페이지	http://www.st.com

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TONE_ATTEN

Address: 0x7D (125)

Type: RW

Software Reset: 0x00

Hardware Reset: 0x00

MSB

LSB

TA7

TA6

TA5

TA4

TA3

TA2

TA1

TA0

In the digital output

audio, the full signal is

achieved with 0 dB of attenuation. For this rea-

son, before applying Bass & Treble Control, the

user has to set the TONE_ATTEN register to the

maximum value of enhancement is going to per-

form.

For example, in case of a 0 dB signal (max. level)

only attenuation would be possible. If enhance-

ment is desired, the signal has to be attenuated

accordingly before in order to reserve a margin in dB.

An increment of a decimal unit corresponds to a Tone

Attenuation step of 1.5dB.

MSB

LSB

ATTENUATION

-1.5dB step

000

0dB

000

-1.5dB

000

-3dB

000

-4.5dB

00001010

-15dB

00001011

-16.5dB

00001100

-18dB

STA014-STA014B-STA014T

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