A call method of a terminal, comprising: analyzing a spectral component of a voice signal during a call; and selecting a corresponding frequency response channel according to an analysis result of the spectral component of the voice signal; wherein the analyzing a spectral component of a voice signal during a call comprises: analyzing a spectral component of a received voice signal sent by a peer end; or analyzing a spectral component of a voice signal to be sent to a peer end; wherein the analyzing (201, 301) a spectral component of a voice signal during a call comprises: analyzing whether a value of a low frequency component in the spectral component of the voice signal is greater than a set low frequency limit, wherein the low frequency component is a set of frequencies lower than a set frequency point in the spectral component; wherein the selecting a corresponding frequency response channel according to an analysis result of the spectral component of the voice signal comprises: when the low frequency component in the spectral component of the voice signal is greater than the set low frequency limit, selecting a frequency response channel of which a low frequency gain is smaller than a high frequency gain for the voice signal, wherein the low frequency component is greater than the set low frequency limit comprises: at least one of amplitudes of power density spectra of all frequencies in the low frequency component exceeds the set low frequency limit; when the low frequency component in the spectral component of the voice signal is less than the set low frequency limit, selecting a frequency response channel of which a low frequency gain is larger than a high frequency gain for the voice signal. analyzing a spectral component of a voice signal during a call; and selecting a corresponding frequency response channel according to an analysis result of the spectral component of the voice signal; wherein the analyzing a spectral component of a voice signal during a call comprises: analyzing a spectral component of a received voice signal sent by a peer end; or analyzing a spectral component of a voice signal to be sent to a peer end; analyzing a spectral component of a received voice signal sent by a peer end; or analyzing a spectral component of a voice signal to be sent to a peer end; wherein the analyzing (201, 301) a spectral component of a voice signal during a call comprises: analyzing whether a value of a low frequency component in the spectral component of the voice signal is greater than a set low frequency limit, wherein the low frequency component is a set of frequencies lower than a set frequency point in the spectral component; wherein the selecting a corresponding frequency response channel according to an analysis result of the spectral component of the voice signal comprises: when the low frequency component in the spectral component of the voice signal is greater than the set low frequency limit, selecting a frequency response channel of which a low frequency gain is smaller than a high frequency gain for the voice signal, wherein the low frequency component is greater than the set low frequency limit comprises: at least one of amplitudes of power density spectra of all frequencies in the low frequency component exceeds the set low frequency limit; when the low frequency component in the spectral component of the voice signal is less than the set low frequency limit, selecting a frequency response channel of which a low frequency gain is larger than a high frequency gain for the voice signal. when the low frequency component in the spectral component of the voice signal is greater than the set low frequency limit, selecting a frequency response channel of which a low frequency gain is smaller than a high frequency gain for the voice signal, wherein the low frequency component is greater than the set low frequency limit comprises: at least one of amplitudes of power density spectra of all frequencies in the low frequency component exceeds the set low frequency limit; when the low frequency component in the spectral component of the voice signal is less than the set low frequency limit, selecting a frequency response channel of which a low frequency gain is larger than a high frequency gain for the voice signal.