82 lines
3.3 KiB
XML
82 lines
3.3 KiB
XML
<?xml version="1.0" encoding="UTF-8"?>
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<ParamUnitDesc tab_name="MicInfo" version="1.0">
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<CategoryTypeList>
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<CategoryType name="projects">
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<Category name="amic_proj"/>
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<Category name="dmic_proj"/>
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</CategoryType>
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<CategoryType name="microphones">
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<Category name="main_mic"/>
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<Category name="sub_mic"/>
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</CategoryType>
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</CategoryTypeList>
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<ParamUnit>
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<!-- Unique alphanumeric id for microphone. Guaranteed to be the same even after rebooting -->
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<Param name="device_id" type="string"/>
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<!-- Refer to the enum of audio_devices_t in include/system/audio.h -->
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<Param name="device_in_type" type="string"/>
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<!-- AUDIO_DEVICE_IN_BUILTIN_MIC: bottom, AUDIO_DEVICE_IN_BACK_MIC ==> "back"-->
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<Param name="address" type="string"/>
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<!--
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Location of the microphone in regard to the body of the device
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typedef enum {
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AUDIO_MICROPHONE_LOCATION_UNKNOWN = 0,
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AUDIO_MICROPHONE_LOCATION_MAINBODY = 1,
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AUDIO_MICROPHONE_LOCATION_MAINBODY_MOVABLE = 2,
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AUDIO_MICROPHONE_LOCATION_PERIPHERAL = 3,
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AUDIO_MICROPHONE_LOCATION_CNT = 4,
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} audio_microphone_location_t;
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-->
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<Param name="mic_location" type="string"/>
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<!-- Identifier to help group related microphones together -->
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<Param name="device_group" type="int"/>
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<!-- Index of this microphone within the group. -->
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<Param name="index_in_the_group" type="int"/>
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<!--
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Position of the microphone's capsule in meters, from the bottom-left-back corner of the bounding box of device
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float x;
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float y;
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float z;
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-->
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<Param name="geometric_location" type="double_array"/>
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<!--
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Normalized point to signal the main orientation of the microphone's capsule. sqrt(x^2 + y^2 + z^2) = 1
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(float x, float y, float z)
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0,0,0 by default
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-->
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<Param name="orientation" type="double_array"/>
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<!--
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Vector with ordered frequency responses (from low to high frequencies)
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with the frequency response of the microphone.
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Levels are in dB, relative to level at 1000 Hz
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(freq in Hz, level in dB, freq in Hz, level in dB...)
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-->
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<Param name="frequency_responses" type="double_array"/>
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<!--
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Each element of the vector must describe the channel with the same index
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Refer to the enum of audio_microphone_channel_mapping_t in system/media/audio/include/system/audio.h
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AUDIO_MICROPHONE_CHANNEL_MAPPING_UNUSED = 0,
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AUDIO_MICROPHONE_CHANNEL_MAPPING_DIRECT = 1,
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AUDIO_MICROPHONE_CHANNEL_MAPPING_PROCESSED = 2,
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-->
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<!--<Param name="channel_mapping" type="string"/>-->
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<!-- Level in dBFS produced by a 1000 Hz tone at 94 dB SPL -->
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<Param name="sensitivity" type="float"/>
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<!-- Level in dB of the max SPL supported at 1000 Hz -->
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<Param name="max_spl" type="float"/>
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<!-- Level in dB of the min SPL supported at 1000 Hz -->
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<Param name="min_spl" type="float"/>
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<!--
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Standard polar pattern of the microphone
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AUDIO_MICROPHONE_DIRECTIONALITY_UNKNOWN = 0,
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AUDIO_MICROPHONE_DIRECTIONALITY_OMNI = 1,
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AUDIO_MICROPHONE_DIRECTIONALITY_BI_DIRECTIONAL = 2,
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AUDIO_MICROPHONE_DIRECTIONALITY_CARDIOID = 3,
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AUDIO_MICROPHONE_DIRECTIONALITY_HYPER_CARDIOID = 4,
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AUDIO_MICROPHONE_DIRECTIONALITY_SUPER_CARDIOID = 5,
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AUDIO_MICROPHONE_DIRECTIONALITY_CNT = 6,
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-->
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<Param name="directionality" type="string"/>
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</ParamUnit>
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</ParamUnitDesc>
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