All items tagged with Asahi Kasei Microdevices (36)

AKM Develops Ultra-Low Power Intelligent System Wakeup ADC With Integrated Acoustic Activity Analyzer

July 21, 2020 by audioXpress Staff

AKM Develops Ultra-Low Power Intelligent System Wakeup ADC With Integrated Acoustic Activity Analyzer

Asahi Kasei Microdevices Corporation (AKM) has developed the AK5706, a high-performance 24-bit stereo A/D converter (ADC) with an integrated Acoustic Activity Analyzer (AAA) wakeup solution consuming only 30μA, audio buffer, and support for digital and high-SNR microphones. Designed for systems that must listen for specific types of audio activity while consuming very low power, the AK5706 is ideal for products such as speech recognition systems, as well as security and smart home devices.

AKM Releases Low Latency 4-Channel A/D Converter for Automotive ANC Applications

April 29, 2020 by audioXpress Staff

AKM Releases Low Latency 4-Channel A/D Converter for Automotive ANC Applications

Asahi Kasei Microdevices Corporation (AKM) has developed a new 4-channel A/D converter (ADC) targeting automotive applications. The AK5734 is a complementary solution for microphones, aiming at active noise control systems (ANC) and road noise control systems (RNC), which are increasingly being installed in vehicles. By combining with the previously released 6-channel ADC the AK5736, the system can accommodate various microphone channels. Besides ANC and RNC, AKM says the solution is ideal for the microphone input of a wide variety of in-vehicle systems.

AKM Proposes Two-Chip D/A Solution for High-End Audio Product Development

March 11, 2020 by audioXpress Staff

AKM Proposes Two-Chip D/A Solution for High-End Audio Product Development

Asahi Kasei Microdevices Corporation (AKM) has expanded its lineup of premium audio Digital-to-Analog converters (DACs) with the development of a two-chip solution that separates the digital aspect from the analog. While conventional DACs use a single chip to convert signals from digital to analog, the new AKM approach splits the conversion process between the AK4191 delta-sigma modulator and the AK4498 DAC. This results in an improvement in sound quality that is easily perceptible while listening to music, the company states.

AKM Launches New 4-Channel 32-bit A/D Converter and Two New Multicore DSP Audio Processors

July 8, 2019 by audioXpress Staff

AKM Launches New 4-Channel 32-bit A/D Converter and Two New Multicore DSP Audio Processors

Asahi Kasei Microdevices Corporation (AKM) made two new product announcements focusing on 4-channel applications. The AK5704EN 4-channel 32-bit A/D audio converter was developed for high-quality low-power multi-microphone recording applications. Its built-in microphone amplifier and power supply make it an ideal solution for conference systems, microphone array systems or smart speakers. The also new AK7739VQ/AK7737VQ audio and voice processors are multicore units, designed for car audio, car navigation systems, and wireless speakers applications.

Asahi Kasei Microdevices Introduces Premium Audio Solutions at High End 2019 in Munich

April 12, 2019 by audioXpress Staff

Asahi Kasei Microdevices Introduces Premium Audio Solutions at High End 2019 in Munich

Asahi Kasei Microdevices Corporation (AKM) will show its latest flagship Velvet Sound Verita AK4499 32-bit audio D/A Converter (DAC) at the High End 2019 show in Munich, Germany. A newly developed IC manufacturing process was adopted in this flagship DAC to deliver the best sound quality so far in the company's range of products, achieving -124dB THD+N and 140dB S/N. The AK4499 is also the first among AKM products to use a new current output architecture. AKM will also demonstrate its new ultra-low power HiFi D/A converters for Bluetooth headphones, AK4331 (stereo) and AK4332 (mono).

New Materials for Earphones and Headphones

April 3, 2019 by Mike Klasco

New Materials for Earphones and Headphones

For the January 2019 edition of Voice Coil magazine, Mike Klasco and Nora Wong have compiled a special Focus article on New Materials for Earphones and Headphones. For those looking to differentiate their new products, the two Menlo Scientific consultants provide a unique and valuable perspective on multiple possibilities and designs for drivers, materials for assemblies and enclosures, choices for headbands and ear cushions, signal processing, and even cables.

Sony Expands Hi-Res Audio Options with New Products on its Signature Series

September 6, 2018 by Joao Martins

Sony Expands Hi-Res Audio Options with New Products on its Signature Series

During IFA 2018, Sony expanded its audio catalog with several new top of the range products in its Signature Series. Deserving all the possible attention are the new IER-Z1R in-ear headphones and DMP-Z1 digital music player. These products harness decades of audio expertise, proudly showcasing Sony’s relentless lifetime pursuit for excellence, which they often miss. These new Signature Series products are ambitious, expensive and will certainly please a very specific crowd devoted to Hi-Res Audio and DSD file collecting.

AKM Releases AK1574 Fractional-N PLL Synthesizer with VCO Capable to Replace Variable Capacitance Diode Configurations

June 11, 2018 by audioXpress Staff

AKM Releases AK1574 Fractional-N PLL Synthesizer with VCO Capable to Replace Variable Capacitance Diode Configurations

Asahi Kasei Microdevices Corporation (AKM) launched the AK1574, a fractional-N PLL synthesizer with a Voltage Controlled Oscillator (VCO) for frequency modulation, able to replace variable capacitance diode configurations. Targeting professional, portable, radio transmission systems, the built-in VCO supports from 46.875 to 1682.5MHz, saves space, has low-phase noise, and low-power consumption. Uses include two-way radios in the VCO configuration with a variable capacitance diode and a winding coil, with support for diversity receivers.

AKM Develops New 32-bit D/A Converter with Headphone Amplifier and DSD Support

May 14, 2018 by audioXpress Staff

AKM Develops New 32-bit D/A Converter with Headphone Amplifier and DSD Support

Asahi Kasei Microdevices Corporation (AKM) has developed a 32-bit stereo D/A converter with headphone amplifier, the AK4377, enabling playback of DSD sound sources in smartphones or portable music players. The new advanced stereo D/A converter uses AKM's Velvet Sound architecture, delivering improved audio performance with a THD+N of -109dB, and offers support for DSD inputs up to DSD256.

ARKAMYS SoundStage Audio Software Now Available On AKM AK7738 DSP

December 21, 2017 by audioXpress Staff

ARKAMYS SoundStage Audio Software Now Available On AKM AK7738 DSP

ARKAMYS, a French company specializing in digital sound processing for automotive solutions announced a partnership with Asahi Kasei Microdevices (AKM) to enhance in-vehicle immersive audio experience for drivers and passengers. ARKAMYS successfully ported its audio enhancement software solution SoundStage Core on AKM’s AK7738 digital signal processor (DSP), leveraging the platform capabilities to enhance the surround sound effect achieved inside the car.

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