Abstract
Presented is a system on a chip for conditioning of voiceband analog audio signals for use in mobile communication devices. The system allows for direct interface to acoustic transducer elements and provides signal conditioning to gain adjust, multiplex, filter and mix two independent signals. The system can record these processed signals as analog samples in a non-volatile flash EEPROM array for later retrieval. Control of the system is achieved via a serial interface, which is used to configure and control the device. All necessary components of the system are provided on chip including analog processing elements, non-volatile storage and high voltage and reference generation.
The original version of this chapter was revised: The copyright line was incorrect. This has been corrected. The Erratum to this chapter is available at DOI: 10.1007/978-0-387-35498-9_57
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© 2000 IFIP International Federation for Information Processing
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Jackson, G.B. et al. (2000). An Analog Non-Volatile Storage System for Audio Signals with Signal Conditioning for Mobile Communication Devices. In: Silveira, L.M., Devadas, S., Reis, R. (eds) VLSI: Systems on a Chip. IFIP — The International Federation for Information Processing, vol 34. Springer, Boston, MA. https://doi.org/10.1007/978-0-387-35498-9_2
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DOI: https://doi.org/10.1007/978-0-387-35498-9_2
Publisher Name: Springer, Boston, MA
Print ISBN: 978-1-4757-1014-4
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