STV8268FD View Datasheet(PDF) - STMicroelectronics

Part Name

Description

Manufacturer

STV8268FD

Digital Audio Decoder/Processor for BTSC Television/Video Recorders

STMicroelectronics 

STV82x8

Dedicated Digital Signal Processor (DSP)

4 Dedicated Digital Signal Processor (DSP)

A dedicated Digital Signal Processor (DSP) takes charge of all audio processing features and the

low frequency signal processing features of the demodulator. The internal 24-bit architecture will

ensure a high quality signal treatment and an excellent dynamic.

4.1 Back-end Processing

The “back-end” processing corresponds to the low frequency signal processing (32 kHz or higher

frequencies) of the demodulator and other inputs (I²S, ADC).

Figure 11 shows a flowchart of the back-end processing tasks. However, the figure shows that the

processing is only a SINGLE SOURCE PROCESSING flow (no processing is possible with

“Demod + SCART” and I²S inputs simultaneously) and that the selection of a headphone output

restricts the loudspeakers configuration to 2.1 instead of 5.1.

Figure 11: Back-end Audio Processing

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