11 questions about the SoundWave audio subsystem

1. What is an IP subsystem?

A: An IP subsystem integrates multiple proven IP module units and complete software solutions into an integrated design to complete a system-level function such as audio, video, and image. The IP subsystem contains interactive hardware and software, which are fully optimized, tested, and verified to achieve this system-level function.

2. What is the DesignWare® SoundWave audio subsystem?

Answer: The DesignWare SoundWave audio subsystem is a complete, pre-verified audio subsystem solution that integrates hardware, software, and prototype design. The hardware components include a 32-bit ARC audio processor, digital I2S and S / PDIF interfaces, and analog audio codec. The software components include a ready-to-use software environment that can be seamlessly embedded in the main application, and a comprehensive library of software audio codecs that support the latest audio standards from Dolby, DTS and SRSLabs. The subsystem also includes virtual and FPGA-based prototypes to accelerate software development and verification of the entire system. The SoundWave audio subsystem brings designers a ready-to-use configurable SoC solution that can be easily integrated into the SoC.

3. How much work will this solution reduce for designers?

A: This solution will save at least two person-years of workload for design integration and verification. These workloads include: proving application requirements, performing hardware / software function division, selecting and configuring IP from different vendors, hardware / software architecture IP integration and development, host interface software development, function, integration and performance testing , And SoC design flow.

4. How does the DesignWare audio subsystem help designers cope with the IP integration and software challenges they face today?

A: As more and more functions are integrated into a single SoC, the development and maintenance of the necessary functional modules is expensive and time-consuming. These modules are complex and cannot be regarded as differentiated technologies. By integrating multiple IP modules and software into a pre-validated subsystem, Synopsys has brought designers a set of configurable audio solutions that are readily available in SoC, enabling them to quickly implement the requirements of their SoC Audio features. This significantly reduces the workload of their SoC design and integration, reduces design risks, and enables them to focus their efforts on the differentiated parts of their development applications and accelerate their time to market.

5. What are the benefits of DesignWare SoundWave audio subsystem to customers?

Answer: The SoundWave audio subsystem has the following advantages:

· A complete and integrated hardware and software solution that enables the "plug and play" audio function that supports the latest audio standards;

· Single-core and dual-core high-efficiency 32-bit ARC audio processors implement parallel support for multiple high-definition, multi-channel audio streams;

· Comprehensive software audio codec library, including support for the latest audio standards such as Dolby Digital Plus, DTS-HD Master Audio and SRSLabs' TruSurround HD4;

· Digital audio interfaces such as S / PDIF and I2S can provide multi-channel input and output;

· Analog audio codec provides high-quality connections for line output, microphones, speakers and headphones with a dynamic range of 96 dB;

· Virtual and FPGA-based prototyping can accelerate software development and verification of the entire system;

· A complete software solution is immediately available and can be seamlessly embedded in the main application. This includes: an integrated media streaming framework with embedded decoders, encoders, and audio post-processing functions, where audio post-processing functions include volume control, equalization, surround balance, and real-time operating systems, and all software is connected to them. It also includes an audio plug-in based on the industry standard GStreamer multimedia software, enabling developers to quickly integrate audio subsystem software into their main application software;

· Easy-to-use configuration tool allows a complete audio subsystem to be configured in a few hours instead of a few weeks;

· Flexible buffer architecture eliminates the need for additional direct memory access (DMA) IP;

· SoC integration services can be provided to help implement and optimize subsystems throughout the chip environment.

6. What makes this IP product unique?

Answer: Synopsys is the only company that can provide a complete solution for the audio IP subsystem. The subsystem includes dedicated hardware, a complete integrated software environment, virtual and FPGA prototypes, and a configuration tool. None of the other solutions on the market are complete subsystem solutions, requiring users to detect missing components, such as hardware and software, and then add them manually. Users also need to go through the entire time-consuming system debugging and verification process. This greatly increases cost, time and risk to their customers.

The SoundWave audio subsystem is a complete, pre-integrated, and proven solution. It contains all the necessary audio functions (hardware and software), and can save at least two person-years in design integration and verification workload. time. The customer now has a supplier that can provide a complete set of audio solutions.

7. How important is the software for the SoundWave audio subsystem?

Answer: Software is a differentiating factor. Generally, companies that develop SoCs have spent more time on software than hardware, and this difference will continue to expand as the complexity of products gradually rises. By providing a complete audio subsystem with built-in and verified software, Synopsys enables customers to focus their resources on other, more critical factors of their design.

8. Can this subsystem be configured according to the customer's special design requirements? Is the configuration predictable or necessary?

A: Because there is no universal audio design, but we can enable customers to fully configure the subsystem. By using Synopsys' coreAssembler tool, you can configure the following:

· Number and parameters of digital interfaces (I2S and S / PDIF)

· Number and parameters of interfaces connected to analog IP

· ARC audio processor configuration options (including cache size)

· Required software components (decoder, encoder and post-processing functions)

· Clock management options

· Reset management options

9. Is this audio IP subsystem suitable for standard SoC hardware / software integration processes?

A: Yes, by complying with industry interface standards such as AMBA AXI and AHB, and GStreamer software standards for Linux and Android, and complying with the specifications provided by Synopsys design and verification tools, we will help ensure Easy integration between software design processes.

10. What is the price of the SoundWave audio subsystem?

Answer: Synopsys' policy is not to disclose our pricing. This is due to the different needs arising from the different business models of our IP customers, and we will provide tailor-made quotations for each customer.

11. Do you have any customers using the SoundWave audio subsystem?

A: We are currently negotiating with early customers, but due to confidentiality reasons, we cannot disclose any specific details at this time.

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