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ST offers virtual lab for audio design

Posted: 02 Jul 2013 ?? ?Print Version ?Bookmark and Share

Keywords:audio processor? MEMS? microphone?

STMicroelectronics has announced a virtual audio laboratory geared for engineers using the firm's SoundTerminal audio chips and digital MEMS microphones. The Audio Processor Workbench, which can be downloaded for free from www.st.com/apworkbench, claims to be the first and, so far, only solution on the market enabling comprehensive evaluation of a full audio and acoustic chain, from microphone to sound amplifier and output speaker.

Engineers can use this tool to assess the entire audio sub-system of new designs for A/V equipment, multimedia PCs, smartphones, tablets or docking systems, and to verify performance and configure and tune individual components. Moreover, its simplicity and ease of use help reduce lengthy tuning operations to a few-minutes' task, added the company.

In addition, the built-in support for ST's MEMS microphones significantly expands the audio-system designers' capabilities, making it easier to implement advanced features such as voice recognition and noise cancellation in new product designs.

As a fully featured virtual laboratory, Audio Processor Workbench gives engineers access to sophisticated instruments such as signal scopes, spectrum analysers, signal generators, level meters, parametric equalisers and much more, on the desktop.

The Audio Processor Workbench provides a user interface to the sophisticated IPs embedded in ST's audio chips, giving engineers full control over the acoustic path. Leveraging the pure digital nature of the audio input and output devices, it allows streaming of the acquired acoustic signal to the host PC, digital processing by the user's chosen audio IP, and listening of the tuned acoustic path, all in real-time. The Audio Processor Workbench supports ST's digital MEMS microphone portfolio and the majority of SoundTerminal ICs including analogue and digital audio processors, CODECs, headphone amplifiers, power amplifiers, and filtering and signal-conditioning devices. It also supports the comprehensive range of audio evaluation boards, as well as the recently released STA321MP STSmartVoice digital MEMS microphones evaluation kit.

Designers can use the STAudioHub to connect their hardware, such as a prototype or ST evaluation board, easily to the host PC and quickly begin analysing its performance.





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