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SAA2521 - Masking threshold processor for MPEG layer 1 audio compression applications

Description

The SAA2521 performs the adaptive allocation and scaling function for calculating the masking thresholds and sub-band sample accuracy in MPEG layer 1 applications.

The SAA2521 is intended for use in conjunction with the stereo filter codec SAA2520.

Features

  • Stereo or 2-channel mono encoding.
  • Status may be read continuously.
  • Microcontroller interface.
  • I2S-interfaces.
  • Allocation algorithm including optional emphasis correction (for 44.1 kHz).
  • Reduced power consumption.
  • 4 V nominal operating voltage capability.

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Other Datasheets by Philips Semiconductors (now NXP Semiconductors)

Part Number Description
SAA2520 Stereo filter and codec for MPEG layer 1 audio applications
SAA2500 MPEG Audio Source Decoder
SAA2501 Digital Audio Broadcast DAB decoder
SAA2502 ISO/MPEG Audio Source Decoder
SAA2503 MPEG2 audio decoder

Full PDF Text Transcription (Reference)

The following content is an automatically extracted verbatim text from the original manufacturer datasheet and is provided for reference purposes only.

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INTEGRATED CIRCUITS DATA SHEET SAA2521 Masking threshold processor for MPEG layer 1 audio compression applications Preliminary specification File under Integrated Circuits, IC01 August 1993 Philips Semiconductors Preliminary specification Masking threshold processor for MPEG layer 1 audio compression applications FEATURES • Stereo or 2-channel mono encoding • Status may be read continuously • Microcontroller interface • I2S-interfaces • Allocation algorithm including optional emphasis correction (for 44.1 kHz) • Reduced power consumption • 4 V nominal operating voltage capability. ORDERING INFORMATION EXTENDED TYPE NUMBER SAA2521GP Note 1. SOT205-1; 1996 August 23.
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