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STA014B Datasheet(PDF) 1 Page - STMicroelectronics |
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STA014B Datasheet(HTML) 1 Page - STMicroelectronics |
1 / 45 page July 2000 This is preliminary information on a new product now in development or undergoing evaluation. Details are subject to change without notice. (1) in order to enable SRS WOW algorithm a mandatory configuration file is required. ORDERING NUMBERS: STA014 (SO28) STA014T (TQFP44) STA014B (LFBGA 64) SINGLE CHIP MPEG2 LAYER 3 DECODER SUPPORTING: - All features specified for Layer III in ISO/IEC 11172-3 (MPEG 1 Audio) - All features specified for Layer III in ISO/IEC 13818-3.2 (MPEG 2 Audio) - Lower sampling frequencies syntax extension, (not specified by ISO) called MPEG 2.5 DECODES LAYER III STEREO CHANNELS, DUAL CHANNEL, SINGLE CHANNEL (MONO) SUPPORTING ALL THE MPEG 1 & 2 SAM- PLING FREQUENCIES AND THE EXTEN- SION TO MPEG 2.5: 48, 44.1, 32, 24, 22.05, 16, 12, 11. 025, 8 KHz ACCEPTS MPEG 2.5 LAYER III ELEMEN- TARY COMPRESSED BITSTREAM WITH DATA RATE FROM 8 Kbit/s UP TO 320 Kbit/s ADPCM CODEC CAPABILITIES: - sample frequency from 8 kHz to 32 kHz - sample size from 8 bits to 32 bits - encoding algorithm: DVI, ITU-G726 pack (G723-24, G721,G723-40) - Tone control and fast-forward capability SRS WOW (1) TECHNOLOGY CAN BE USED AS POSTPROCESSING. SUPPORT FOR DIFFERENT SPEAKERS TYPES: - headphone - medium - large WOW (1) TRUEBASS AND FOCUS CAN BE INDIPENDENTLY ADJUSTED EASY PROGRAMMABLE GPSO INTERFACE FOR ENCODED DATA UP TO 5Mbit/s (TQFP44 & LFBGA 64) DIGITAL VOLUME BASS & TREBLE CONTROL SERIAL BITSTREAM INPUT INTERFACE EASY PROGRAMMABLE ADC INPUT INTERFACE ANCILLARY DATA EXTRACTION VIA I2C IN- TERFACE. SERIAL PCM OUTPUT INTERFACE (I 2S AND OTHER FORMATS) PLL FOR INTERNAL CLOCK AND FOR OUT- PUT PCM CLOCK GENERATION CRC CHECK AND SYNCHRONISATION ER- ROR DETECTION WITH SOFTWARE INDI- CATORS I 2C CONTROL BUS LOW POWER 2.4V CMOS TECHNOLOGY WIDE RANGE OF EXTERNAL CRYSTALS FREQUENCIES SUPPORTED APPLICATIONS PC SOUND CARDS MULTIMEDIA PLAYERS VOICE RECORDERS DESCRIPTION The STA014 is a fully integrated high flexibility MPEG Layer III Audio Decoder, capable of de- coding Layer III compressed elementary streams, as specified in MPEG 1 and MPEG 2 ISO stand- ards. The device decodes also elementary streams compressed by using low sampling rates, as speci- fied by MPEG 2.5. STA014 receives the input data through a Serial Input Interface. The decoded sig- nal is a stereo, mono, or dual channel digital output that can be sent directly to a D/A converter, by the PCM Output Interface. This interface is software programmable to adapt the STA014 digital output to the most common DACs architectures used on the market. The functional STA014 chip partitioning is described in Fig.1a and Fig.1b. STA014 STA014B STA014T MPEG 2.5 LAYER III AUDIO DECODER WITH ADPCM AND SRS WOW® POSTPROCESSING CAPABILITY PRODUCT PREVIEW ® The Device incorporates the SRS WOW ® Technology under li- cence from SRS Labs, Inc. 1/45 |
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