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Overview

SmartDV’s S/PDIF Verification IP is a comprehensive solution for verifying the Sony/Philips Digital Interface, the ubiquitous digital audio serial interface used to transport linear and non-linear PCM encoded audio between consumer electronics, professional audio equipment, and embedded audio subsystems. Fully compliant with IEC 60958 for digital audio interface and IEC 61937 for non-linear PCM encoded audio bitstream transport, and supporting SMPTE 337M for non-linear PCM and AES/EBU and AES3 for professional linear PCM audio, it supports complete verification of S/PDIF transmitter and receiver components across all defined sampling rates from 22.05 kHz through 1536 kHz, 32 audio channels, biphase-mark code encoding, clock recovery, start bit correction, and all defined error conditions.

SmartDV’s S/PDIF VIP supports UVM, SystemVerilog, and Verilog, and integrates seamlessly into diverse verification environments. It is simulator-independent and compatible with all leading EDA simulators, providing flexibility across simulation platforms.

With configurable baud rate control, comprehensive error injection across all S/PDIF error types, on-the-fly protocol and data checking, built-in functional coverage, and a complete test suite, SmartDV’s S/PDIF VIP enables verification teams to thoroughly validate S/PDIF interface designs for consumer AV receivers, Blu-ray players, soundbars, gaming consoles, professional audio interfaces, studio equipment, and embedded audio SoC applications.

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SPDIF VIP
Key Features
  • Full S/PDIF Transmitter and Receiver Support – Provides complete S/PDIF transmitter and receiver component verification with support for 32 audio channels, biphase-mark code encoding and decoding, clock recovery circuit, start bit correction, configurable baud rate control, and on-the-fly protocol and data checking.
  • Comprehensive Sampling Rate Coverage – Supports all defined S/PDIF sampling and driving rates including 22.05 kHz, 24 kHz, 32 kHz, 44.1 kHz, 48 kHz, 88.2 kHz, 96 kHz, 176.4 kHz, 192 kHz, 352.8 kHz, 384 kHz, 768 kHz, and 1536 kHz for complete audio subsystem verification across standard definition, high definition, and ultra-high-definition audio formats.
  • Linear and Non-Linear PCM Coverage – Supports IEC 60958 for linear PCM audio transport, IEC 61937 for non-linear PCM encoded audio bitstream transport including Dolby Digital, DTS, MPEG, and other compressed audio formats, SMPTE 337M for non-linear PCM audio, and AES/EBU and AES3 professional balanced digital audio standards.
  • Comprehensive Error Injection and Detection – Supports injection and detection of all defined S/PDIF error types including preamble errors, channel status errors, parity errors, and various field errors for thorough protocol violation verification across all defined sampling rates and audio channel configurations.
  • Complete Verification Infrastructure – Provides a full test suite covering all IEC 60958 and IEC 61937 specification features, built-in functional coverage analysis, constraints randomization, status counters for bus events, and callbacks in transmitter, receiver, and monitor for user-defined data processing and protocol and timing violation notification.
Compliance and Compatibility
  • Fully compliant with IEC 60958 (Digital Audio Interface) for linear PCM audio
  • Fully compliant with IEC 61937 series (latest: IEC 61937-17:2025) for non-linear PCM encoded audio
  • Supports SMPTE 337M for non-linear PCM audio and AES/EBU and AES3 for professional linear PCM audio
  • Supports sampling rates from 22.05 kHz to 1536 kHz with 32 audio channels
  • Compatible with UVM, OVM, VMM, SystemVerilog, and Verilog verification environments
  • Compatible with all major EDA simulators including Synopsys VCS, Cadence Xcelium, Siemens Questa, Aldec Riviera-PRO, and Verilator

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