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Austriamicrosystems has released AS3532, the first device in its new line of media player ICs. Based on an innovative IP, the series is designed to enable the audio experience of Hi-Fi home audio devices for music phones.The AS3532 is an innovative music player subsystem with a newly developed audio engine and an audio post processor that acts as a coprocessor for the ARM central programmable unit. The fully hard-wired audio engine can independently decompress and play most popular audio compression formats, such as MP3, WMA and AAC, and the CPU achieves the lowest power consumption with zero load.
The audio post processor provides near-transparent sound quality, a limited-capable multichannel mixer, and a 10-band graphic equalizer as an asynchronous sample rate converter (ASRC), and supports 24-bit dynamic range 192KHz sample rate HD audio. deal with. Three I2S outputs independently control stereo speakers, subwoofers, and headphone or line out, which can also be used as multi-channel audio outputs. The AS3532 audio subsystem also includes a stereo PDM digital microphone input to meet all audio needs of next-generation handsets.
The AS3532's interface supports the peer-to-peer mode of the baseband handset IC and the "black box" soundtrack subsystem. In the latter case, the IC can directly support next-generation extractable and embedded flash types such as MLC NAND Flash, iNAND, LBA NAND, moviNAND, oneNAND, and SD2.0, MMC+ through 4/8/16-bit hardware ECC. Memory card formats such as CE-ATA, MS PRO, and CF.
The AS3532 Music Player IC's on-chip 512KB cache provides single-chip support for all major audio formats such as compression, lossless, HD, multi-tone sorting, wavetable synthesizers, 3D surround sound, virtual engines and other digital sound effects. The AS3532 comes complete with a complete set of software covering the three generations of the multimedia player market. The Software Development Kit has been certified to the rigorous testing standards for downloadable content for Windows Vista programs.
As file storage and communication bandwidth becomes cheaper and easier to use, lossless audio formats that perfectly represent the original sound source become more popular, and people want their high-quality audio files to be preserved for a long time. The AS3532 supports a lossless audio format, making it the perfect hardware platform for meeting these consumer needs in a mobile phone environment.
Current portable media and music phones have made concessions in terms of audio experience for popular form factors and satisfactory play times. The AS3532 will help consumers use their portable devices as well as the immersive, high-quality audio experience found in home audio equipment, which can extend playback time by more than three times compared to current portable music devices. â€
Samples of the AS3532 are first packaged in a 6x6mm CTBGA package. Depending on the structure of the mobile phone, austriamicrosystems also offers a product that matches the HD integrated audio front end and power management components and is also available in a 6x6mm CTBGA package.
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