STV8216 datasheet(17/97 Pages) STMICROELECTRONICS

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STV82x6

Audio Processor Block

3.1

Main Features

The STV82x6 Audio Processor is based on a dedicated audio Digital Signal Processor (DSP) that

performs basic and advanced audio post-processing for 4 different output audio channels.

3.1.1

Loudspeaker and Subwoofer Features

● Smart Volume Control (See Note 1)

● Spatial effects:

— Pseudo Stereo (for Mono source)

— ST WideSurround (“Movie” and “Music” modes for Stereo source)

● 5-band Equalizer

● Volume and Balance controls (See Note 4)

● Automatic Loudness control

● Subwoofer (See Note 4)

● Beeper (See Note 3)

Additionally on STV8226/36 only:

● SRS

™ 3D Mono signal processing

● SRS

™ 3D Stereo signal processing

3.1.2

Headphone (See Note 2)

● Smart Volume Control (See Note 1)

● Bass and Treble controls

● Volume and Balance controls

● Beeper (See Note 3)

Note: 1 The Smart Volume Control can be used in either the loudspeaker or headphone path, but not both

at the same time.

2 The headphone is forced into Mono mode when the subwoofer is active.

3 The beeper is common for both the loudspeaker and the headphone.

4 The Auto-mute function is activated when a headphone plug is detected.

5 All audio postprocessing can be disabled.

3.1.3

SCART 1 and 2 Outputs

● No audio post-processing

3.1.4

I²S Output

● No audio post-processing

STV8216 数据表(PDF) 17 Page - STMicroelectronics

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