def measure_ess(fs, n_meas, n_chan, f_start, f_stop, t_sweep):
# calls the ESS Measurement
import ess_method, audio_io, numpy, time
ir_r_raw = numpy.array([])
ir_l_raw = numpy.array([])
# creating ESS Signal
meas_sig = ess_method.generate_ess(fs, f_start, f_stop, t_sweep)
# open audio device
audio_io.audio_open(fs, n_chan)
for i in xrange(n_meas + 1):
print("Measurement No.", i)
#t_sweep*1000 is half the time to record in ms
audio_io.meas_run(fs, n_chan, meas_sig, int(t_sweep * 1000), i)
#closing audio device
audio_io.audio_close()
ir_l_avg, ir_r_avg = average_ir_ess(n_meas, n_chan)
return (ir_l_avg, ir_r_avg)
def measure_ess(fs, n_meas, n_chan, f_start, f_stop, t_sweep):
# calls the ESS Measurement
import ess_method, audio_io, numpy, time
ir_r_raw = numpy.array([])
ir_l_raw = numpy.array([])
# creating ESS Signal
meas_sig = ess_method.generate_ess(fs, f_start, f_stop, t_sweep)
# open audio device
audio_io.audio_open(fs, n_chan)
for i in xrange(n_meas + 1):
print ("Measurement No.", i)
# t_sweep*1000 is half the time to record in ms
audio_io.meas_run(fs, n_chan, meas_sig, int(t_sweep * 1000), i)
# closing audio device
audio_io.audio_close()
ir_l_avg, ir_r_avg = average_ir_ess(n_meas, n_chan)
return (ir_l_avg, ir_r_avg)
def measure_sds(fs, n_chan, f_sine1, f_sine2, t_meas):
# calls the SDS Measurement
import sds_method, audio_io, numpy
# creating ESS Signal
meas_sig = sds_method.generate_sds(fs, f_sine1, f_sine2, t_meas)
# open audio device
audio_io.audio_open(fs, n_chan)
#t_sweep*1000 is half the time to record in ms
audio_io.meas_run(fs, n_chan, meas_sig, int(t_meas * 1000), 0)
#closing audio device
audio_io.audio_close()
resp_l, resp_r = sds_method.compute_resp(n_chan)
return (resp_l, resp_r)
def measure_sds(fs, n_chan, f_sine1, f_sine2, t_meas):
# calls the SDS Measurement
import sds_method, audio_io, numpy
# creating ESS Signal
meas_sig = sds_method.generate_sds(fs, f_sine1, f_sine2, t_meas)
# open audio device
audio_io.audio_open(fs, n_chan)
# t_sweep*1000 is half the time to record in ms
audio_io.meas_run(fs, n_chan, meas_sig, int(t_meas * 1000), 0)
# closing audio device
audio_io.audio_close()
resp_l, resp_r = sds_method.compute_resp(n_chan)
return (resp_l, resp_r)
def measure_mls(fs, rt60, n_meas, n_chan):
# calls the MLS Measurement
import mls_method, audio_io, numpy, time
# creating MLS Signal
meas_sig = mls_method.mls_gen(rt60, fs)
# open audio device
audio_io.audio_open(fs, n_chan)
for i in xrange(n_meas + 1):
print("Measurement No.", i)
audio_io.meas_run(fs, n_chan, meas_sig, rt60, i)
#closing audio device
audio_io.audio_close()
ir_l_avg, ir_r_avg = average_ir_mls(n_meas, n_chan)
return (ir_l_avg, ir_r_avg)
def measure_mls(fs, rt60, n_meas, n_chan):
# calls the MLS Measurement
import mls_method, audio_io, numpy, time
# creating MLS Signal
meas_sig = mls_method.mls_gen(rt60, fs)
# open audio device
audio_io.audio_open(fs, n_chan)
for i in xrange(n_meas + 1):
print ("Measurement No.", i)
audio_io.meas_run(fs, n_chan, meas_sig, rt60, i)
# closing audio device
audio_io.audio_close()
ir_l_avg, ir_r_avg = average_ir_mls(n_meas, n_chan)
return (ir_l_avg, ir_r_avg)
