def playback_thd(inputData, inputTypes):
output = []
outputData = []
outputTypes = []
# basic sanity check
inputError = False
if (inputTypes[0] != TYPE_MONO):
inputError = True
if (inputTypes[1] != TYPE_I64):
inputError = True
if (inputTypes[2] != TYPE_DOUBLE):
inputError = True
if inputError:
output.append(RESULT_ERROR)
output.append(outputData)
output.append(outputTypes)
return output
hostRecording = inputData[0]
signalFrequency = inputData[1]
thdPassPercentile = inputData[2]
samplingRate = 44100
thd = calc_thd(hostRecording, signalFrequency, samplingRate, 0.02) * 100
print "THD %", thd, "Margain % ", thdPassPercentile
if (thd < thdPassPercentile):
output.append(RESULT_PASS)
else:
output.append(RESULT_OK)
outputData.append(thd)
outputTypes.append(TYPE_DOUBLE)
output.append(outputData)
output.append(outputTypes)
return output
def recording_thd(inputData, inputTypes):
output = []
outputData = []
outputTypes = []
# basic sanity check
inputError = False
if (inputTypes[0] != TYPE_MONO):
inputError = True
if (inputTypes[1] != TYPE_MONO):
inputError = True
if (inputTypes[2] != TYPE_I64):
inputError = True
if (inputTypes[3] != TYPE_DOUBLE):
inputError = True
if inputError:
output.append(RESULT_ERROR)
output.append(outputData)
output.append(outputTypes)
return output
hostRecording = inputData[0]
deviceRecording = inputData[1]
signalFrequency = inputData[2]
thdPassPercentile = inputData[3]
samplingRate = 44100
delay = calc_delay.calc_delay(hostRecording, deviceRecording)
N = len(deviceRecording)
print "delay ", delay, "deviceRecording samples ", N
thdHost = calc_thd(hostRecording[delay:delay + N], signalFrequency,
samplingRate, 0.02) * 100
thdDevice = calc_thd(deviceRecording, signalFrequency, samplingRate,
0.02) * 100
print "THD Host %", thdHost, "THD device %", thdDevice, "Margain % ", thdPassPercentile
if (thdDevice <
(thdHost + thdPassPercentile)) and (thdHost < thdPassPercentile):
output.append(RESULT_PASS)
else:
output.append(RESULT_OK)
outputData.append(thdHost)
outputTypes.append(TYPE_DOUBLE)
outputData.append(thdDevice)
outputTypes.append(TYPE_DOUBLE)
output.append(outputData)
output.append(outputTypes)
return output
def recording_thd(inputData, inputTypes):
output = []
outputData = []
outputTypes = []
# basic sanity check
inputError = False
if inputTypes[0] != TYPE_MONO:
inputError = True
if inputTypes[1] != TYPE_MONO:
inputError = True
if inputTypes[2] != TYPE_I64:
inputError = True
if inputTypes[3] != TYPE_DOUBLE:
inputError = True
if inputError:
output.append(RESULT_ERROR)
output.append(outputData)
output.append(outputTypes)
return output
hostRecording = inputData[0]
deviceRecording = inputData[1]
signalFrequency = inputData[2]
thdPassPercentile = inputData[3]
samplingRate = 44100
delay = calc_delay.calc_delay(hostRecording, deviceRecording)
N = len(deviceRecording)
print "delay ", delay, "deviceRecording samples ", N
thdHost = calc_thd(hostRecording[delay : delay + N], signalFrequency, samplingRate, 0.02) * 100
thdDevice = calc_thd(deviceRecording, signalFrequency, samplingRate, 0.02) * 100
print "THD Host %", thdHost, "THD device %", thdDevice, "Margain % ", thdPassPercentile
if (thdDevice < (thdHost + thdPassPercentile)) and (thdHost < thdPassPercentile):
output.append(RESULT_PASS)
else:
output.append(RESULT_OK)
outputData.append(thdHost)
outputTypes.append(TYPE_DOUBLE)
outputData.append(thdDevice)
outputTypes.append(TYPE_DOUBLE)
output.append(outputData)
output.append(outputTypes)
return output
