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Voice-input processor bolsters Smart TV VoIP

21 Jan 2013

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Embedded solutions provider Conexant has recently debut its CX20865 far-field voice-input processor. The processor integrates an automatic speech recognition (ASR) engine and a dual-core 32bit DSP to bring hands-free voice control to smart TVs and set-top boxes.

The CX20865 combines a far-field voice preprocessing algorithms and 24bit ADCs adds a differentiated Watch Live and Talk experience to VoIP applications, such as Skype TV, and delivers a greater than 97 percent ASR hit rate when the TV is playing at high volume.

A microphone array, comprising up to four synchronized ADCs and programmable preamplifiers, provides full-path dynamic range of 106 dB. Each preamplifier is paired with a dedicated bias supply to eliminate crosstalk, while Selective Source Pickup technology maintains speech recognition in the presence of random ambient interference.

The CX20865 comes in a 9x9 BGA package. Prices start at $5.50 each in lots of 100,000.

The datasheet for the CX20865 far-field voice processor can be found here.

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