A low complexity speech coder for binaural communication in hearing aids
SW Hsu, TS Chang�- 2012 IEEE International Symposium on …, 2012 - ieeexplore.ieee.org
SW Hsu, TS Chang
2012 IEEE International Symposium on Circuits and Systems (ISCAS), 2012•ieeexplore.ieee.orgThis paper presents a low complexity speech coder with the adaptive Minimum-Maximum
Scalar Quantization (MMSQ) method suitable for binaural communication in hearing aids.
Compared to the fixed rate MMSQ, the adaptive MMSQ can achieve similar or better
compression ratio with 13dB SNR improvement. The final codec implementation with 0.18
um CMOS process only costs 6K gate count with 118uW power consumption.
Scalar Quantization (MMSQ) method suitable for binaural communication in hearing aids.
Compared to the fixed rate MMSQ, the adaptive MMSQ can achieve similar or better
compression ratio with 13dB SNR improvement. The final codec implementation with 0.18
um CMOS process only costs 6K gate count with 118uW power consumption.
This paper presents a low complexity speech coder with the adaptive Minimum-Maximum Scalar Quantization (MMSQ) method suitable for binaural communication in hearing aids. Compared to the fixed rate MMSQ, the adaptive MMSQ can achieve similar or better compression ratio with 13dB SNR improvement. The final codec implementation with 0.18um CMOS process only costs 6K gate count with 118uW power consumption.
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