Hear and be heard. Solutions available include stationary background noise removal using 1-mic noise cancellation solutions, and non-stationary noise removal [such as music or voice noise] using dual-mic noise cancellation solutions. The Noise Dependent Volume Control [NDVC] facilitates better hearing in noisy environments.

Acoustic Technologies creates high quality multi-mic and single mic noise cancellation, echo cancellation, automatic volume boost, and other audio enhancement software that provides clear and natural bi-directional communication for Bluetooth accessories running on the BlueCore3-Multimedia and BlueCore5-Multimedia. SoundClear® is proven in millions of products around the globe. [Download datasheet]

Alango Voice Communication Package (VCP) of digital front-end voice processing technologies is now available on BlueCore-Multimedia. VCP is a customizable solution for high quality, innovative Bluetooth headsets, hands-free kits and VoIP accessories using BT link. [Download datasheet]

Aurisound provides single and dual microphone acoustic noise and echo cancellation solution on both BlueCore3 and BlueCore5-Multimedia platforms for mono and stereo headset, hands-free car kit and speakerphone products. Miniature and flexible microphone configuration with compact code size and low MIPS. [Download datasheet]

Ditech Networks Ditech Networks has been improving voice quality for callers around the world for 15 years using leading DSP designs. These network deployed algorithms are now available on CSR's BlueCore Multimedia platforms. Ditech's Voice Quality Assurance (VQA) for BlueCore5-Multimedia supports single and dual microphone headsets providing bi-directional noise reduction, acoustic echo cancellation and automatic level control. Ditech also provides Experience Intelligence (EXi) an algorithm that measures and rates call quality whilst a call is being made, and can be used for industry-standard performance testing. [Download datasheet]

Dynamic Hearing has DSP solutions that enhances the quality of speech in the received and transmit direction for single and multi-microphone communication devices. Modules include noise reduction, echo cancellation, automatic gain control, automatic volume control and frequency equalization. [Download datasheet]

ElaraTek develops DSP-based voice quality technologies and solutions. SonoKlara™ is a highly integrated Bluetooth® headset / hands-free solution, fully optimised for BlueCore-Multimedia, with unique features such as bi-directional noise cancellation and user exposure alert. ElaraTek offers a range of products including Impulsive Shock Elimination for Call Centre headsets. [Download datasheet]

nFore Technology offers leading edge voice communication with acoustic echo and/or noise cancellation on both BC3/5-MM platforms. Echo cancellation allows for coherent, full-duplex conversations to be made when loudspeakers are used. A selection of single or dual microphone noise cancellation technology greatly improves the clarity of speech under even the worst of conditions with minimal to no deterioration of desired speech. [Download datasheet]

Noise Free is a next generation noise suppression software company with the right technology for CSR’s BlueCore MultiMedia platform to enhance the voice-user experience without the traditional penalties of high power consumption, large code size, and low performance.  NoiseFree solution provides active noise cancellation that meets or exceeds the performance of many dual adaptive microphone systems and achieves it with a lower bill-of-material cost. [Download datasheet]

NXP Software LifeVibes™ BlueVoice includes rich set of voice enhancements software optimised and designed for Bluetooth headsets requirements and constraints, including both 1-mic and 2-mic solutions. This proven, mature and high performance voice engine headset solutions enhances both incoming and outgoing speech, surpressing all types of noise and echo from microphone and ensure crystal-clear and intelligible speech out of a headset speaker. [Download datasheet]