1 | Bus 001 Device 013: ID 0d8c:000c C-Media Electronics, Inc. Audio Adapter
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2 | Device Descriptor:
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3 | bLength 18
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4 | bDescriptorType 1
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5 | bcdUSB 1.10
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6 | bDeviceClass 0 (Defined at Interface level)
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7 | bDeviceSubClass 0
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8 | bDeviceProtocol 0
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9 | bMaxPacketSize0 64
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10 | idVendor 0x0d8c C-Media Electronics, Inc.
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11 | idProduct 0x000c Audio Adapter
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12 | bcdDevice 1.00
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13 | iManufacturer 0
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14 | iProduct 1 C-Media USB Headphone Set
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15 | iSerial 0
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16 | bNumConfigurations 1
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17 | Configuration Descriptor:
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18 | bLength 9
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19 | bDescriptorType 2
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20 | wTotalLength 253
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21 | bNumInterfaces 4
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22 | bConfigurationValue 1
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23 | iConfiguration 0
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24 | bmAttributes 0xa0
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25 | (Bus Powered)
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26 | Remote Wakeup
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27 | MaxPower 100mA
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28 | Interface Descriptor:
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29 | bLength 9
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30 | bDescriptorType 4
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31 | bInterfaceNumber 0
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32 | bAlternateSetting 0
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33 | bNumEndpoints 0
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34 | bInterfaceClass 1 Audio
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35 | bInterfaceSubClass 1 Control Device
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36 | bInterfaceProtocol 0
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37 | iInterface 0
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38 | AudioControl Interface Descriptor:
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39 | bLength 10
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40 | bDescriptorType 36
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41 | bDescriptorSubtype 1 (HEADER)
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42 | bcdADC 1.00
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43 | wTotalLength 100
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44 | bInCollection 2
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45 | baInterfaceNr( 0) 1
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46 | baInterfaceNr( 1) 2
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47 | AudioControl Interface Descriptor:
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48 | bLength 12
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49 | bDescriptorType 36
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50 | bDescriptorSubtype 2 (INPUT_TERMINAL)
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51 | bTerminalID 1
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52 | wTerminalType 0x0101 USB Streaming
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53 | bAssocTerminal 0
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54 | bNrChannels 2
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55 | wChannelConfig 0x0003
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56 | Left Front (L)
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57 | Right Front (R)
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58 | iChannelNames 0
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59 | iTerminal 0
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60 | AudioControl Interface Descriptor:
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61 | bLength 12
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62 | bDescriptorType 36
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63 | bDescriptorSubtype 2 (INPUT_TERMINAL)
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64 | bTerminalID 2
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65 | wTerminalType 0x0201 Microphone
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66 | bAssocTerminal 0
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67 | bNrChannels 1
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68 | wChannelConfig 0x0001
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69 | Left Front (L)
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70 | iChannelNames 0
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71 | iTerminal 0
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72 | AudioControl Interface Descriptor:
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73 | bLength 9
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74 | bDescriptorType 36
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75 | bDescriptorSubtype 3 (OUTPUT_TERMINAL)
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76 | bTerminalID 6
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77 | wTerminalType 0x0301 Speaker
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78 | bAssocTerminal 0
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79 | bSourceID 9
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80 | iTerminal 0
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81 | AudioControl Interface Descriptor:
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82 | bLength 9
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83 | bDescriptorType 36
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84 | bDescriptorSubtype 3 (OUTPUT_TERMINAL)
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85 | bTerminalID 7
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86 | wTerminalType 0x0101 USB Streaming
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87 | bAssocTerminal 0
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88 | bSourceID 8
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89 | iTerminal 0
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90 | AudioControl Interface Descriptor:
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91 | bLength 7
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92 | bDescriptorType 36
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93 | bDescriptorSubtype 5 (SELECTOR_UNIT)
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94 | bUnitID 8
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95 | bNrInPins 1
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96 | baSource( 0) 10
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97 | iSelector 0
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98 | AudioControl Interface Descriptor:
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99 | bLength 10
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100 | bDescriptorType 36
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101 | bDescriptorSubtype 6 (FEATURE_UNIT)
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102 | bUnitID 9
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103 | bSourceID 15
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104 | bControlSize 1
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105 | bmaControls( 0) 0x01
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106 | Mute
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107 | bmaControls( 1) 0x02
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108 | Volume
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109 | bmaControls( 2) 0x02
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110 | Volume
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111 | iFeature 0
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112 | AudioControl Interface Descriptor:
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113 | bLength 9
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114 | bDescriptorType 36
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115 | bDescriptorSubtype 6 (FEATURE_UNIT)
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116 | bUnitID 10
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117 | bSourceID 2
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118 | bControlSize 1
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119 | bmaControls( 0) 0x43
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120 | Mute
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121 | Volume
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122 | Automatic Gain
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123 | bmaControls( 1) 0x00
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124 | iFeature 0
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125 | AudioControl Interface Descriptor:
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126 | bLength 9
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127 | bDescriptorType 36
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128 | bDescriptorSubtype 6 (FEATURE_UNIT)
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129 | bUnitID 13
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130 | bSourceID 2
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131 | bControlSize 1
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132 | bmaControls( 0) 0x03
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133 | Mute
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134 | Volume
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135 | bmaControls( 1) 0x00
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136 | iFeature 0
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137 | AudioControl Interface Descriptor:
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138 | bLength 13
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139 | bDescriptorType 36
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140 | bDescriptorSubtype 4 (MIXER_UNIT)
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141 | bUnitID 15
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142 | bNrInPins 2
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143 | baSourceID( 0) 1
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144 | baSourceID( 1) 13
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145 | bNrChannels 2
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146 | wChannelConfig 0x0003
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147 | Left Front (L)
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148 | Right Front (R)
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149 | iChannelNames 0
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150 | bmControls 0x00
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151 | iMixer 0
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152 | Interface Descriptor:
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153 | bLength 9
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154 | bDescriptorType 4
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155 | bInterfaceNumber 1
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156 | bAlternateSetting 0
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157 | bNumEndpoints 0
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158 | bInterfaceClass 1 Audio
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159 | bInterfaceSubClass 2 Streaming
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160 | bInterfaceProtocol 0
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161 | iInterface 0
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162 | Interface Descriptor:
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163 | bLength 9
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164 | bDescriptorType 4
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165 | bInterfaceNumber 1
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166 | bAlternateSetting 1
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167 | bNumEndpoints 1
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168 | bInterfaceClass 1 Audio
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169 | bInterfaceSubClass 2 Streaming
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170 | bInterfaceProtocol 0
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171 | iInterface 0
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172 | AudioStreaming Interface Descriptor:
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173 | bLength 7
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174 | bDescriptorType 36
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175 | bDescriptorSubtype 1 (AS_GENERAL)
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176 | bTerminalLink 1
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177 | bDelay 1 frames
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178 | wFormatTag 1 PCM
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179 | AudioStreaming Interface Descriptor:
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180 | bLength 14
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181 | bDescriptorType 36
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182 | bDescriptorSubtype 2 (FORMAT_TYPE)
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183 | bFormatType 1 (FORMAT_TYPE_I)
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184 | bNrChannels 2
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185 | bSubframeSize 2
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186 | bBitResolution 16
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187 | bSamFreqType 2 Discrete
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188 | tSamFreq[ 0] 48000
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189 | tSamFreq[ 1] 44100
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190 | Endpoint Descriptor:
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191 | bLength 9
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192 | bDescriptorType 5
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193 | bEndpointAddress 0x01 EP 1 OUT
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194 | bmAttributes 9
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195 | Transfer Type Isochronous
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196 | Synch Type Adaptive
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197 | Usage Type Data
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198 | wMaxPacketSize 0x00c8 1x 200 bytes
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199 | bInterval 1
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200 | bRefresh 0
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201 | bSynchAddress 0
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202 | AudioControl Endpoint Descriptor:
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203 | bLength 7
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204 | bDescriptorType 37
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205 | bDescriptorSubtype 1 (EP_GENERAL)
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206 | bmAttributes 0x01
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207 | Sampling Frequency
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208 | bLockDelayUnits 1 Milliseconds
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209 | wLockDelay 1 Milliseconds
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210 | Interface Descriptor:
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211 | bLength 9
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212 | bDescriptorType 4
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213 | bInterfaceNumber 2
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214 | bAlternateSetting 0
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215 | bNumEndpoints 0
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216 | bInterfaceClass 1 Audio
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217 | bInterfaceSubClass 2 Streaming
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218 | bInterfaceProtocol 0
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219 | iInterface 0
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220 | Interface Descriptor:
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221 | bLength 9
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222 | bDescriptorType 4
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223 | bInterfaceNumber 2
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224 | bAlternateSetting 1
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225 | bNumEndpoints 1
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226 | bInterfaceClass 1 Audio
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227 | bInterfaceSubClass 2 Streaming
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228 | bInterfaceProtocol 0
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229 | iInterface 0
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230 | AudioStreaming Interface Descriptor:
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231 | bLength 7
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232 | bDescriptorType 36
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233 | bDescriptorSubtype 1 (AS_GENERAL)
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234 | bTerminalLink 7
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235 | bDelay 1 frames
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236 | wFormatTag 1 PCM
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237 | AudioStreaming Interface Descriptor:
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238 | bLength 14
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239 | bDescriptorType 36
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240 | bDescriptorSubtype 2 (FORMAT_TYPE)
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241 | bFormatType 1 (FORMAT_TYPE_I)
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242 | bNrChannels 1
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243 | bSubframeSize 2
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244 | bBitResolution 16
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245 | bSamFreqType 2 Discrete
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246 | tSamFreq[ 0] 48000
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247 | tSamFreq[ 1] 44100
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248 | Endpoint Descriptor:
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249 | bLength 9
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250 | bDescriptorType 5
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251 | bEndpointAddress 0x82 EP 2 IN
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252 | bmAttributes 5
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253 | Transfer Type Isochronous
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254 | Synch Type Asynchronous
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255 | Usage Type Data
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256 | wMaxPacketSize 0x0064 1x 100 bytes
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257 | bInterval 1
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258 | bRefresh 0
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259 | bSynchAddress 0
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260 | AudioControl Endpoint Descriptor:
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261 | bLength 7
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262 | bDescriptorType 37
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263 | bDescriptorSubtype 1 (EP_GENERAL)
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264 | bmAttributes 0x01
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265 | Sampling Frequency
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266 | bLockDelayUnits 0 Undefined
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267 | wLockDelay 0 Undefined
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268 | Interface Descriptor:
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269 | bLength 9
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270 | bDescriptorType 4
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271 | bInterfaceNumber 3
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272 | bAlternateSetting 0
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273 | bNumEndpoints 1
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274 | bInterfaceClass 3 Human Interface Device
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275 | bInterfaceSubClass 0 No Subclass
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276 | bInterfaceProtocol 0 None
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277 | iInterface 0
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278 | HID Device Descriptor:
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279 | bLength 9
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280 | bDescriptorType 33
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281 | bcdHID 1.00
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282 | bCountryCode 0 Not supported
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283 | bNumDescriptors 1
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284 | bDescriptorType 34 Report
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285 | wDescriptorLength 50
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286 | Report Descriptors:
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287 | ** UNAVAILABLE **
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288 | Endpoint Descriptor:
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289 | bLength 7
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290 | bDescriptorType 5
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291 | bEndpointAddress 0x83 EP 3 IN
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292 | bmAttributes 3
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293 | Transfer Type Interrupt
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294 | Synch Type None
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295 | Usage Type Data
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296 | wMaxPacketSize 0x0004 1x 4 bytes
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297 | bInterval 32
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298 | Device Status: 0x0000
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299 | (Bus Powered)
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