CVC 5.0 (CSR's recently announced fifth-generation clear voice capture technology) is the only solution on the market that offers both advanced audio enhancement and noise suppression for both remote and near-end, as well as packet loss and bit error. Hidden technology to further improve the user experience of Bluetooth headsets. CVC 5.0 is available now and has been incorporated into CSR's latest BlueCore ROM mono headset solutions, the BC6140 and BC6150. The previous generation of CSR's Flash-based BlueCore5-Mulitimedia for high-end Bluetooth stereo headsets is now also available through software upgrade integration for this advanced audio enhancement and noise suppression.
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CVC 5.0 technology can help Chinese Bluetooth headset OEMs create versatile and differentiated devices. CVC5.0 is an advanced modular voice processing algorithm that can be applied to single and dual microphone headsets. It brings a series of powerful audio enhancement technologies to near-end users and also provides good voice for remote users. quality. The dual-microphone-based BC6150 provides over 30dB of dynamic and noise suppression from different directions under harsh conditions.
CVC 5.0 has packet loss and error concealment technology that enhances wireless audio and covers signal interruptions due to ambient RF interference. This interruption may be caused by access to a noise device such as a microwave oven or a simple "slanted" interference.
CVC 5.0 provides a unique noise suppression algorithm for the near end, which significantly reduces the interference noise in the received speech. The software also incorporates an adaptive equalizer that delivers sound to the natural sensitive areas of the human auditory system by increasing the clarity of the received speech. It can also suppress the background noise of the user's environment as much as possible by the weighting coefficient method. The received voice is flexibly adjusted by automatic gain control, ensuring that the headset user can clearly hear the other party's voice.
CVC 5.0 also offers advanced far-end audio enhancement technology with an echo canceller to reduce the acoustic coupling between the speaker and the microphone. It also dynamically processes the single and dual channel noise suppression algorithms of the microphone signal to provide clear speech to the far end of the line. The speech is further enhanced and expanded by equalization and gain control.
Anthony Murray, senior vice president of audio and connectivity at CSR, said: "CSR is the only company on the market that offers a complete headset solution that provides both near- and near-end audio enhancements. Customers expect high quality both at the far and near ends. Wireless audio quality. With CVC 5.0, CSR provides a complete audio enhancement solution in a single package. We have made up for many common factors affecting Bluetooth headset users, such as nearby audio equipment, "slanting" issues, and noisy environments. Wait, while maintaining the consistent energy and wireless performance quality of CSR."
Whether the apparent dynamic background noise comes from any direction, the dual-microphone dynamic noise reduction using CVC5.0 provides the highest level of clear speech for the far end. This architecture allows CVC 5.0 to separate out speech signals in noise through proprietary signal extraction techniques. The rich DSP algorithm used in the single and dual microphone CVC5.0 allows users to listen to or send clearer speech and expand the usability of Bluetooth headsets in harsh acoustic environments.
The CVC Technical Parameter Manager tool provides further support for Bluetooth headset design. It also helps manufacturers adjust software modules during product design to achieve optimal performance for any type of headset. With CSR's low-power DSP algorithms, headset suppliers can take advantage of longer battery life and superior noise reduction. CVC 5.0 is now also available in the industry-leading BlueCore5-Multimedia flash memory chip and related software development kits.
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