No data available.
Please log in to see this content.
You have no subscription access to this content.
No metrics data to plot.
The attempt to load metrics for this article has failed.
The attempt to plot a graph for these metrics has failed.
The full text of this article is not currently available.
Amplitude modulation detection with concurrent frequency modulation
Ding, N. , and Simon, J. Z. (2009). “ Neural representations of complex temporal modulations in the human auditory cortex,” J. Neurophysiol. 102(5), 2731–2743.
Drullman, R. , Festen, J. M. , and Plomp, R. (1994). “ Effect of temporal envelope smearing on speech reception,” J. Acoust. Soc. Am. 95(2), 1053–1064.
Fu, Q. J. , and Shannon, R. V. (1999). “ Phoneme recognition by cochlear implant users as a function of signal-to-noise ratio and nonlinear amplitude mapping,” J. Acoust. Soc. Am. 106(2), L18–L23.
Füllgrabe, C. , Moore, B. C. J. , Demany, L. , Ewert, S. D. , Sheft, S. , and Lorenzi, C. (2005). “ Modulation masking produced by second-order modulators,” J. Acoust. Soc. Am. 117(4), 2158–2168.
Hsieh, I. H. , and Saberi, K. (2010). “ Detection of sinusoidal amplitude modulation in logarithmic frequency sweeps across wide regions of the spectrum,” Hear. Res. 262(1-2), 9–18.
Lorenzi, C. , Soares, C. , and Vonner, T. (2001). “ Second-order temporal modulation transfer functions,” J. Acoust. Soc. Am. 110(2), 1030–1038.
Luo, H. , Wang, Y. , Poeppel, D. , and Simon, J. Z. (2006). “ Concurrent encoding of frequency and amplitude modulation in human auditory cortex: MEG evidence,” J. Neurophysiol. 96(5), 2712–2723.
Luo, X. , and Fu, Q. J. (2007). “ Frequency modulation detection with simultaneous amplitude modulation by cochlear implant users,” J. Acoust. Soc. Am. 122(2), 1046–1054.
Malone, B. J. , Beitel, R. E. , Vollmer, M. , Heiser, M. A. , and Schreiner, C. E. (2013). “ Spectral context affects temporal processing in awake auditory cortex,” J. Neurosci. 33(22), 9431–9450.
Moore, B. C. , and Sek, A. (1992). “ Detection of combined frequency and amplitude modulation,” J. Acoust. Soc. Am. 92(6), 3119–3131.
Moore, B. C. , and Sek, A. (1996). “ Detection of frequency modulation at low modulation rates: Evidence for a mechanism based on phase locking,” J. Acoust. Soc. Am. 100(4), 2320–2331.
Moore, B. C. , and Skrodzka, E. (2002). “ Detection of frequency modulation by hearing-impaired listeners: Effects of carrier frequency, modulation rate, and added amplitude modulation,” J. Acoust. Soc. Am. 111(1), 327–335.
Nie, K. , Stickney, G. , and Zeng, F. G. (2005). “ Encoding frequency modulation to improve cochlear implant performance in noise,” IEEE Trans. Bio-Med. Eng. 52(1), 64–73.
Ozimek, E. , and Sek, A. (1987). “ Perception of amplitude and frequency modulated signals (mixed modulation),” J. Acoust. Soc. Am. 82(5), 1598–1603.
Pasley, B. N. , David, S. V. , Mesgarani, N. , Flinker, A. , Shamma, S. A. , Crone, N. E. , Knight, R. T. , and Chang, E. F. (2012). “ Reconstructing speech from human auditory cortex,” PLOS Biol. 10(1), e1001251.
Shannon, R. V. , Zeng, F. G. , Kamath, V. , Wygonski, J. , and Ekelid, M. (1995). “ Speech recognition with primarily temporal cues,” Science 270(5234), 303–304.
Smith, Z. M. , Delgutte, B. , and Oxenham, A. J. (2002). “ Chimaeric sounds reveal dichotomies in auditory perception,” Nature 416(6876), 87–90.
Stickney, G. S. , Zeng, F. G. , Litovsky, R. , and Assmann, P. (2004). “ Cochlear implant speech recognition with speech maskers,” J. Acoust. Soc. Am. 116(2), 1081–1091.
Zeng, F. G. , Nie, K. , Stickney, G. S. , Kong, Y. Y. , Vongphoe, M. , Bhargave, A. , Wei, C. , and Cao, K. (2005). “Speech recognition with amplitude and frequency modulations,” Proc. Natl. Acad. Sci. U.S.A. 102(7), 2293–2298.
Zilany, M. S. A. , Bruce, I. C. , and Carney, L. H. (2014). “ Updated parameters and expanded simulation options for a model of the auditory periphery,” J. Acoust. Soc. Am. 135(1), 283–286.
Zilany, M. S. A. , Bruce, I. C. , Nelson, P. C. , and Carney, L. H. (2009). “ A phenomenological model of the synapse between the inner hair cell and auditory nerve: Long-term adaptation with power-law dynamics,” J. Acoust. Soc. Am. 126(5), 2390–2412.
Article metrics loading...
Human speech consists of concomitant temporal modulations in amplitude and frequency that are crucial for speech perception. In this study, amplitude modulation (AM) detection thresholds were measured for 550 and 5000 Hz carriers with and without concurrent frequency modulation
(FM), at AM rates crucial for speech perception. Results indicate that adding 40 Hz FM interferes with AM detection, more so for 5000 Hz carrier and for frequency deviations exceeding the critical bandwidth of the carrier frequency. These findings suggest that future cochlear implant processors, encoding speech fine-structures may consider limiting the FM to narrow bandwidth and to low frequencies.
Full text loading...
Most read this month