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AKM makes available sample of the AK7749, a DSP-integrated CODEC that enables microcontroller-less in-vehicle voice applications
Asahi Kasei Microdevices Corporation (AKM) has developed and started the release of samples of the AK7749, an in-vehicle DSP-integrated CODEC with an automatic mode switching function according to the usage scenario of voice applications and a full range of digital and analog input/output interfaces.
When voice applications were used to provide voice recognition mode and various types of anomaly detection, a complex system design was conventionally required, as a microcontroller for mode switching, data reading, and software for voice had to be provided in addition to an audio device.
Additionally, the microphone's beamforming technology for clear voice capture, which AKM has developed over the past 20 years, and pre-processing for hands-free, voice recognition, and clear calls in the cabin make it ideal for a variety of "mic/speaker" module products, including automotive telematics communication units.
Adding voice functions to various in-vehicle devices such as drive recorders can also be easily configured into a system using the AK7749.
Microcomputer-less automatic mode switching performed according to usage scenarios
Full range of digital and analog interface specifications optimal for voice applications
Built-in echo/noise canceller and other essential functions for in-vehicle voice applications
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