As more and more national, regional and urban legislation requires drivers to use hands-free calling systems, as well as the shrinking of most consumer purses and economic uncertainties around the world, the low-end consumer market for mono Bluetooth headsets Demand is rapidly expanding. In order to consolidate CSR's leading position in this market, CSR recently announced the industry's first low-cost mono Bluetooth headset single-chip solution with far-end audio enhancements, including three chips: BC6130, BC6140 and BC6150 , covering the widest range of price options.
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These new ROM chips are fully compliant with the v2.1+ EDR Bluetooth specification and exceed other competitive products on the market. The chip family features a variety of advanced new features, including CSR's unique close-range pairing technology, faster user interface, hands-free mode (HFP) multipoint connectivity and programmable audio prompts.
The BC6130 only supports the above basic functions. The BC6140 and BC6150 support CSR's new fifth-generation Clear Voice Capture (CVC) processing system. It is the world's first single-chip system with remote and near-end audio improvement. In addition to all the functions of the BC6130, the BC6140 features single-microphone active noise reduction, far-end noise suppression, packet loss or bit error concealment. In addition to the features of all BC6140s, the BC6150 adds dual microphone noise suppression.
Wu Songru, general manager of CSR China, pointed out: "The far-end noise reduction function was previously only possible through custom design, but now they have become part of the low-cost ROM Bluetooth mono headset single-chip solution. This means mono Bluetooth. Headphone manufacturers can now quickly launch commercial products with superior sound quality at a very low cost."
He also spoke specifically about the unique proximity and multipoint connectivity features of this latest solution. He said: "The Bluetooth pairing function that used to require multiple manual steps is now just a matter of simply putting two Bluetooth devices together and pressing the OK button. The multi-point link function makes the dual card pair The mobile phone users and users of multiple mobile phones simplify the pairing problem with the Bluetooth headset when using different mobile phones. The user only needs to do some simple configuration work, and one Bluetooth headset can support multiple mobile phones."
In addition, CSR has added a user-friendly audio alert feature. Wu Songru said that the previous Bluetooth headset has no audio prompt function, which makes the user often press the wrong button when adjusting the volume during the call. In view of this subtle operational issue, CSR has added this feature specifically to the latest solutions.
In the increasingly fierce market competition, CSR's new BlueCore family of chips enables designers to develop innovative differentiated and low-power products faster and easier. The pins of this family of chips are compatible with previous CSR Bluetooth headset ROM chips and provide an easy upgrade path for existing customers. No other Bluetooth audio device can provide this pin backwards compatibility. Without costly and time-consuming redevelopment, manufacturers can easily upgrade their existing designs and develop new models with the same vendor.
By using these BlueCore chips, CSR can focus on improving the end-user experience of Bluetooth headsets without compromising cost, power and functionality. All three chips use CSR's new close-range pairing technology. This allows the headset to find and pair with the nearest Bluetooth device. When the headset initiates the pairing activity, the user simply accepts the pairing invitation on the source device, which is fully compliant with the Bluetooth specification.
Proximity pairing is the world's only Bluetooth-based solution that allows users to pair devices in this way and provide a simple, innovative pairing experience. CSR also includes a highly optimized application code that also greatly accelerates the user experience when connecting calls. Integrating these two features will provide a significant improvement to the Bluetooth headset user experience.
Anthony Murray, senior vice president of audio and connectivity at CSR, said: "Our new BlueCore6 ROM chip provides the most comprehensive single-chip solution for the global mono headset market. Not only does it cover every market segment, but it also includes Unique new features such as close-up pairing and CVC 5.0. We won about 80% of the mono headset market in the first quarter of 2009, and these new products prove why CSR chips are still the first choice for headset products."
The BC6130 and BC6140 are primarily targeted at markets that are very cost sensitive. The BC6130 is pin compatible with BlueVox2 and includes an HFP multipoint link that supports one Bluetooth headset and multiple simultaneous connections between two devices. It also has programmable audio prompts that can be used to help guide users to pair or customize audio ringtones.
The BC6140 has all the features of the BC6130 and includes CSR's high-performance 24-bit 64 MIPS on-chip DSP and supports CSR's new CVC 5.0. CVC 5.0 delivers superior audio quality, collecting voice from advanced algorithms in the transmit and receive signal paths in noisy and harsh acoustic environments. Packet loss and error concealment are advanced audio features that restore sound quality in harsh RF environments. The BC6140 offers an ultra-low power solution with a full range of remote and near-end audio enhancements.
CSR's BC6150 is a DSP ROM solution for a variety of mid-range headset markets, supporting single and dual microphone CVC 5.0. Compatible with CSR's BlueVOX DSP pin, the BC6150 has state-of-the-art noise reduction, allowing users to hear clear speech in noisy environments.
The new line of BlueCore mono ROM headset solutions will begin sampling in the second quarter of 2009. New features are now also available through software upgrades for the BlueCore5 - Multimedia chip. BlueCore5 – Multimedia is CSR's single-chip Bluetooth multimedia chip for high-end mono headsets.
CSR is the world's leading provider of personal wireless technology. Its product portfolio includes Bluetooth, GPS, FM and Wi-Fi (IEEE 802.11). CSR offers advanced hardware and software solutions based on its chip platform and is integrated with fully integrated radio, baseband and microcontroller products. CSR customers include many industry-leading vendors such as Apple, Dell, LG, Motorola, NEC, Nokia, Panasonic, RIM, Samsung, Sharp, Sony, TomTom and Toshiba.
CSR is headquartered in Cambridge, England, with offices in Japan, Korea, Taiwan, China, India, France, Denmark, Sweden, and Dallas and Detroit.
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