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classrespeaker_1_1Snips1bDoaKwsNode.html
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<title>librespeaker: respeaker::Snips1bDoaKwsNode Class Reference</title>
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<li class="navelem"><a class="el" href="namespacerespeaker.html">respeaker</a></li><li class="navelem"><a class="el" href="classrespeaker_1_1Snips1bDoaKwsNode.html">Snips1bDoaKwsNode</a></li> </ul>
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<div class="header">
<div class="summary">
<a href="#pub-methods">Public Member Functions</a> |
<a href="#pub-static-methods">Static Public Member Functions</a> |
<a href="classrespeaker_1_1Snips1bDoaKwsNode-members.html">List of all members</a> </div>
<div class="headertitle">
<div class="title">respeaker::Snips1bDoaKwsNode Class Reference<span class="mlabels"><span class="mlabel">abstract</span></span></div> </div>
</div><!--header-->
<div class="contents">
<p><code>#include <<a class="el" href="snips__1b__doa__kws__node_8h_source.html">snips_1b_doa_kws_node.h</a>></code></p>
<div class="dynheader">
Inheritance diagram for respeaker::Snips1bDoaKwsNode:</div>
<div class="dyncontent">
<div class="center">
<img src="classrespeaker_1_1Snips1bDoaKwsNode.png" usemap="#respeaker::Snips1bDoaKwsNode_map" alt=""/>
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<area href="classrespeaker_1_1BaseNode.html" alt="respeaker::BaseNode" shape="rect" coords="0,0,207,24"/>
<area href="classrespeaker_1_1DirectionManagerNode.html" alt="respeaker::DirectionManagerNode" shape="rect" coords="217,0,424,24"/>
<area href="classrespeaker_1_1HotwordDetectionNode.html" alt="respeaker::HotwordDetectionNode" shape="rect" coords="434,0,641,24"/>
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<table class="memberdecls">
<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-methods"></a>
Public Member Functions</h2></td></tr>
<tr class="memitem:a088ff1b0dc74fbcc4d1d4c8f2e2d05ce"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classrespeaker_1_1Snips1bDoaKwsNode.html#a088ff1b0dc74fbcc4d1d4c8f2e2d05ce">SetTriggerPostConfirmThresholdTime</a> (int ms)=0</td></tr>
<tr class="separator:a088ff1b0dc74fbcc4d1d4c8f2e2d05ce"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aebd22c6406f79b03e106acd4b72aa8d7"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classrespeaker_1_1Snips1bDoaKwsNode.html#aebd22c6406f79b03e106acd4b72aa8d7">SetDoAecWhenListen</a> (bool do_aec_when_listen)=0</td></tr>
<tr class="separator:aebd22c6406f79b03e106acd4b72aa8d7"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a10ec8598b0ea38fd66c14ec8561c324d"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classrespeaker_1_1Snips1bDoaKwsNode.html#a10ec8598b0ea38fd66c14ec8561c324d">DisableAutoStateTransfer</a> ()=0</td></tr>
<tr class="separator:a10ec8598b0ea38fd66c14ec8561c324d"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a4e0d904ff66971732c3d8b171e9533cc"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classrespeaker_1_1Snips1bDoaKwsNode.html#a4e0d904ff66971732c3d8b171e9533cc">SetAgcTargetLevelDbfs</a> (int dbfs)=0</td></tr>
<tr class="separator:a4e0d904ff66971732c3d8b171e9533cc"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a4607ce7fa67b70aa4726773b52a198c8"><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classrespeaker_1_1Snips1bDoaKwsNode.html#a4607ce7fa67b70aa4726773b52a198c8">OnStartThread</a> ()=0</td></tr>
<tr class="separator:a4607ce7fa67b70aa4726773b52a198c8"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:afce019feb1e3db991295fafcb35e27e6"><td class="memItemLeft" align="right" valign="top">virtual std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="classrespeaker_1_1Snips1bDoaKwsNode.html#afce019feb1e3db991295fafcb35e27e6">ProcessBlock</a> (std::string block, bool &exit)=0</td></tr>
<tr class="separator:afce019feb1e3db991295fafcb35e27e6"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a8d307aeeac55b7ddf1fda17a5727ee9f"><td class="memItemLeft" align="right" valign="top">virtual bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classrespeaker_1_1Snips1bDoaKwsNode.html#a8d307aeeac55b7ddf1fda17a5727ee9f">OnJoinThread</a> ()=0</td></tr>
<tr class="separator:a8d307aeeac55b7ddf1fda17a5727ee9f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ad9a445beb4758b34ef42976721310c0b"><td class="memItemLeft" align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="classrespeaker_1_1Snips1bDoaKwsNode.html#ad9a445beb4758b34ef42976721310c0b">GetDirection</a> ()=0</td></tr>
<tr class="separator:ad9a445beb4758b34ef42976721310c0b"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a641e1999033e5f1d791f77eb175028e5"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classrespeaker_1_1Snips1bDoaKwsNode.html#a641e1999033e5f1d791f77eb175028e5">SetDirection</a> (int dir)=0</td></tr>
<tr class="separator:a641e1999033e5f1d791f77eb175028e5"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aec926e11eb8d2809fc771a722369a7a2"><td class="memItemLeft" align="right" valign="top">virtual int </td><td class="memItemRight" valign="bottom"><a class="el" href="classrespeaker_1_1Snips1bDoaKwsNode.html#aec926e11eb8d2809fc771a722369a7a2">HotwordDetected</a> ()=0</td></tr>
<tr class="separator:aec926e11eb8d2809fc771a722369a7a2"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="inherit_header pub_methods_classrespeaker_1_1BaseNode"><td colspan="2" onclick="javascript:toggleInherit('pub_methods_classrespeaker_1_1BaseNode')"><img src="closed.png" alt="-"/> Public Member Functions inherited from <a class="el" href="classrespeaker_1_1BaseNode.html">respeaker::BaseNode</a></td></tr>
<tr class="memitem:aa64e2eb930291b7763f6d18a8ef16e49 inherit pub_methods_classrespeaker_1_1BaseNode"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classrespeaker_1_1BaseNode.html">BaseNode</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classrespeaker_1_1BaseNode.html#aa64e2eb930291b7763f6d18a8ef16e49">GetId</a> ()</td></tr>
<tr class="separator:aa64e2eb930291b7763f6d18a8ef16e49 inherit pub_methods_classrespeaker_1_1BaseNode"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a786258a66118b4681fe77124dfe87ea4 inherit pub_methods_classrespeaker_1_1BaseNode"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classrespeaker_1_1BaseNode.html#a786258a66118b4681fe77124dfe87ea4">Uplink</a> (<a class="el" href="classrespeaker_1_1BaseNode.html">BaseNode</a> *uplink_node)</td></tr>
<tr class="separator:a786258a66118b4681fe77124dfe87ea4 inherit pub_methods_classrespeaker_1_1BaseNode"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa8b902a4e5fdb9ebdb276bcb9546a53a inherit pub_methods_classrespeaker_1_1BaseNode"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classrespeaker_1_1BaseNode.html#aa8b902a4e5fdb9ebdb276bcb9546a53a">RegisterDownlinkNode</a> (<a class="el" href="classrespeaker_1_1BaseNode.html">BaseNode</a> *downlink_node)</td></tr>
<tr class="separator:aa8b902a4e5fdb9ebdb276bcb9546a53a inherit pub_methods_classrespeaker_1_1BaseNode"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a54f95dc810c69f48af08e3f0770432de inherit pub_methods_classrespeaker_1_1BaseNode"><td class="memItemLeft" align="right" valign="top"><a class="el" href="structrespeaker_1_1NodeParameter.html">NodeParameter</a> & </td><td class="memItemRight" valign="bottom"><a class="el" href="classrespeaker_1_1BaseNode.html#a54f95dc810c69f48af08e3f0770432de">GetNodeOutputParameter</a> ()</td></tr>
<tr class="separator:a54f95dc810c69f48af08e3f0770432de inherit pub_methods_classrespeaker_1_1BaseNode"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a9a1492da1aba5ad1c28e4824a0fdce2b inherit pub_methods_classrespeaker_1_1BaseNode"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classrespeaker_1_1BaseNode.html#a9a1492da1aba5ad1c28e4824a0fdce2b">RecursivelyStartThread</a> (<a class="el" href="structrespeaker_1_1ChainSharedData.html">ChainSharedData</a> *shared_data)</td></tr>
<tr class="separator:a9a1492da1aba5ad1c28e4824a0fdce2b inherit pub_methods_classrespeaker_1_1BaseNode"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a3b6a49ceda9ded7386bad53bff315458 inherit pub_methods_classrespeaker_1_1BaseNode"><td class="memItemLeft" align="right" valign="top"><a id="a3b6a49ceda9ded7386bad53bff315458"></a>
bool </td><td class="memItemRight" valign="bottom"><b>RecursivelyJoinThread</b> ()</td></tr>
<tr class="separator:a3b6a49ceda9ded7386bad53bff315458 inherit pub_methods_classrespeaker_1_1BaseNode"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a82f301a825f6245864e5df280ffd2e80 inherit pub_methods_classrespeaker_1_1BaseNode"><td class="memItemLeft" align="right" valign="top">virtual std::string </td><td class="memItemRight" valign="bottom"><a class="el" href="classrespeaker_1_1BaseNode.html#a82f301a825f6245864e5df280ffd2e80">FetchBlock</a> (bool &exit)</td></tr>
<tr class="separator:a82f301a825f6245864e5df280ffd2e80 inherit pub_methods_classrespeaker_1_1BaseNode"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a70a1aabbbe47c6f686239defb81d2ac5 inherit pub_methods_classrespeaker_1_1BaseNode"><td class="memItemLeft" align="right" valign="top">virtual void </td><td class="memItemRight" valign="bottom"><a class="el" href="classrespeaker_1_1BaseNode.html#a70a1aabbbe47c6f686239defb81d2ac5">StoreBlock</a> (std::string block, bool &exit)</td></tr>
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<tr class="memitem:a79c8cb5ec6126776fe1b85c2864b5b62 inherit pub_methods_classrespeaker_1_1BaseNode"><td class="memItemLeft" align="right" valign="top"><a id="a79c8cb5ec6126776fe1b85c2864b5b62"></a>
virtual void </td><td class="memItemRight" valign="bottom"><b>Pause</b> ()</td></tr>
<tr class="separator:a79c8cb5ec6126776fe1b85c2864b5b62 inherit pub_methods_classrespeaker_1_1BaseNode"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aa6c0b8d6e4583e1995a283f9072a0e01 inherit pub_methods_classrespeaker_1_1BaseNode"><td class="memItemLeft" align="right" valign="top"><a id="aa6c0b8d6e4583e1995a283f9072a0e01"></a>
virtual void </td><td class="memItemRight" valign="bottom"><b>Resume</b> ()</td></tr>
<tr class="separator:aa6c0b8d6e4583e1995a283f9072a0e01 inherit pub_methods_classrespeaker_1_1BaseNode"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:a993ac61f2ca80601d6188d957bef7102 inherit pub_methods_classrespeaker_1_1BaseNode"><td class="memItemLeft" align="right" valign="top"><a id="a993ac61f2ca80601d6188d957bef7102"></a>
std::mutex * </td><td class="memItemRight" valign="bottom"><b>GetDownlinkDataQueueMutex</b> (<a class="el" href="classrespeaker_1_1BaseNode.html">BaseNode</a> *downlink_node_id=nullptr)</td></tr>
<tr class="separator:a993ac61f2ca80601d6188d957bef7102 inherit pub_methods_classrespeaker_1_1BaseNode"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ae332245863119fbd720fd642a3ca0410 inherit pub_methods_classrespeaker_1_1BaseNode"><td class="memItemLeft" align="right" valign="top"><a id="ae332245863119fbd720fd642a3ca0410"></a>
std::condition_variable * </td><td class="memItemRight" valign="bottom"><b>GetDownlinkDataQueueConditionVar</b> (<a class="el" href="classrespeaker_1_1BaseNode.html">BaseNode</a> *downlink_node_id=nullptr)</td></tr>
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<tr class="memitem:a4fbb35dc03773338d05cff433abadb6d inherit pub_methods_classrespeaker_1_1BaseNode"><td class="memItemLeft" align="right" valign="top"><a id="a4fbb35dc03773338d05cff433abadb6d"></a>
std::queue< std::string > & </td><td class="memItemRight" valign="bottom"><b>GetDownlinkDataQueue</b> (<a class="el" href="classrespeaker_1_1BaseNode.html">BaseNode</a> *downlink_node_id=nullptr)</td></tr>
<tr class="separator:a4fbb35dc03773338d05cff433abadb6d inherit pub_methods_classrespeaker_1_1BaseNode"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:aeb2d0e40fc228d2d6a7c714837cba496 inherit pub_methods_classrespeaker_1_1BaseNode"><td class="memItemLeft" align="right" valign="top">int </td><td class="memItemRight" valign="bottom"><a class="el" href="classrespeaker_1_1BaseNode.html#aeb2d0e40fc228d2d6a7c714837cba496">GetQueueDeepth</a> ()</td></tr>
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<tr class="memitem:a72e3689fddd7f544d5027a7c7a6869ba inherit pub_methods_classrespeaker_1_1BaseNode"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classrespeaker_1_1BaseNode.html#a72e3689fddd7f544d5027a7c7a6869ba">BindToCore</a> (int core_index)</td></tr>
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<tr class="memitem:a9a1f5f6f0655912b8eca7f2d285a3dcd inherit pub_methods_classrespeaker_1_1BaseNode"><td class="memItemLeft" align="right" valign="top">bool </td><td class="memItemRight" valign="bottom"><a class="el" href="classrespeaker_1_1BaseNode.html#a9a1f5f6f0655912b8eca7f2d285a3dcd">SetThreadPriority</a> (int priority)</td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="pub-static-methods"></a>
Static Public Member Functions</h2></td></tr>
<tr class="memitem:a2de1c88f779146dd29ecccb92d160bd0"><td class="memItemLeft" align="right" valign="top">static <a class="el" href="classrespeaker_1_1Snips1bDoaKwsNode.html">Snips1bDoaKwsNode</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classrespeaker_1_1Snips1bDoaKwsNode.html#a2de1c88f779146dd29ecccb92d160bd0">Create</a> (std::string snips_model_path, float snips_sensitivity, bool enable_agc, bool output_interleaved=false)</td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="inherited"></a>
Additional Inherited Members</h2></td></tr>
<tr class="inherit_header pro_methods_classrespeaker_1_1BaseNode"><td colspan="2" onclick="javascript:toggleInherit('pro_methods_classrespeaker_1_1BaseNode')"><img src="closed.png" alt="-"/> Protected Member Functions inherited from <a class="el" href="classrespeaker_1_1BaseNode.html">respeaker::BaseNode</a></td></tr>
<tr class="memitem:acde77c116f88c3643bc64964b5bf8c9c inherit pro_methods_classrespeaker_1_1BaseNode"><td class="memItemLeft" align="right" valign="top">void </td><td class="memItemRight" valign="bottom"><a class="el" href="classrespeaker_1_1BaseNode.html#acde77c116f88c3643bc64964b5bf8c9c">EnableQueueFlush</a> (bool enable)</td></tr>
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void </td><td class="memItemRight" valign="bottom"><b>_Interleave</b> (const int16_t *const *deinterleaved, size_t num_frames, size_t num_channels, int16_t *interleaved)</td></tr>
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<tr class="memitem:abb276fd97a41540d79bbe7fe5af2eccb inherit pro_methods_classrespeaker_1_1BaseNode"><td class="memItemLeft" align="right" valign="top"><a id="abb276fd97a41540d79bbe7fe5af2eccb"></a>
void </td><td class="memItemRight" valign="bottom"><b>_Deinterleave</b> (const int16_t *interleaved, size_t num_frames, size_t num_channels, int16_t *const *deinterleaved)</td></tr>
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void </td><td class="memItemRight" valign="bottom"><b>_Deinterleave</b> (const float *interleaved, size_t num_frames, size_t num_channels, float *const *deinterleaved)</td></tr>
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<tr class="inherit_header pro_attribs_classrespeaker_1_1BaseNode"><td colspan="2" onclick="javascript:toggleInherit('pro_attribs_classrespeaker_1_1BaseNode')"><img src="closed.png" alt="-"/> Protected Attributes inherited from <a class="el" href="classrespeaker_1_1BaseNode.html">respeaker::BaseNode</a></td></tr>
<tr class="memitem:acbc797af16d1d2b2ee3a4677cbdbfd52 inherit pro_attribs_classrespeaker_1_1BaseNode"><td class="memItemLeft" align="right" valign="top"><a class="el" href="classrespeaker_1_1BaseNode.html">BaseNode</a> * </td><td class="memItemRight" valign="bottom"><a class="el" href="classrespeaker_1_1BaseNode.html#acbc797af16d1d2b2ee3a4677cbdbfd52">_uplink_node</a> = nullptr</td></tr>
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<tr class="memitem:ada26f5cc0c9a649f3d98c7b829426c4b inherit pro_attribs_classrespeaker_1_1BaseNode"><td class="memItemLeft" align="right" valign="top">std::list< <a class="el" href="classrespeaker_1_1BaseNode.html">BaseNode</a> * > </td><td class="memItemRight" valign="bottom"><a class="el" href="classrespeaker_1_1BaseNode.html#ada26f5cc0c9a649f3d98c7b829426c4b">_list_downlink_nodes</a></td></tr>
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<a class="el" href="structrespeaker_1_1NodeParameter.html">NodeParameter</a> </td><td class="memItemRight" valign="bottom"><b>_input_parameter</b></td></tr>
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<a class="el" href="structrespeaker_1_1NodeParameter.html">NodeParameter</a> </td><td class="memItemRight" valign="bottom"><b>_output_parameter</b></td></tr>
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int </td><td class="memItemRight" valign="bottom"><b>_system_check</b> = 0</td></tr>
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<a class="el" href="structrespeaker_1_1ChainSharedData.html">ChainSharedData</a> * </td><td class="memItemRight" valign="bottom"><b>_chain_shared_data</b> = nullptr</td></tr>
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bool </td><td class="memItemRight" valign="bottom"><b>_is_head</b> = false</td></tr>
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bool </td><td class="memItemRight" valign="bottom"><b>_is_tail</b> = false</td></tr>
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bool </td><td class="memItemRight" valign="bottom"><b>_is_interleaved_after_process</b> = false</td></tr>
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int </td><td class="memItemRight" valign="bottom"><b>_num_frames_for_store_block</b></td></tr>
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int </td><td class="memItemRight" valign="bottom"><b>_channels_for_store_block</b></td></tr>
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int16_t * </td><td class="memItemRight" valign="bottom"><b>_buffer_for_store_block</b></td></tr>
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std::unique_ptr< int16_t *[]> </td><td class="memItemRight" valign="bottom"><b>_channels_ptr</b></td></tr>
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</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<div class="textblock"><p>Please note that, this node can only uplink to <a class="el" href="classrespeaker_1_1VepAecBeamformingNode.html">VepAecBeamformingNode</a> and is_single_beam_output should be true. <a class="el" href="classrespeaker_1_1Snips1bDoaKwsNode.html">Snips1bDoaKwsNode</a> only accepts 3 channels data, the first channel is a beam channel, the second channel is reference channel, and the third channel is some vep scores. </p>
</div><h2 class="groupheader">Member Function Documentation</h2>
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<h2 class="memtitle"><span class="permalink"><a href="#a2de1c88f779146dd29ecccb92d160bd0">◆ </a></span>Create()</h2>
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<td class="memname">static <a class="el" href="classrespeaker_1_1Snips1bDoaKwsNode.html">Snips1bDoaKwsNode</a>* respeaker::Snips1bDoaKwsNode::Create </td>
<td>(</td>
<td class="paramtype">std::string </td>
<td class="paramname"><em>snips_model_path</em>, </td>
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<td class="paramkey"></td>
<td></td>
<td class="paramtype">float </td>
<td class="paramname"><em>snips_sensitivity</em>, </td>
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<td class="paramkey"></td>
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<td class="paramtype">bool </td>
<td class="paramname"><em>enable_agc</em>, </td>
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<td class="paramtype">bool </td>
<td class="paramname"><em>output_interleaved</em> = <code>false</code> </td>
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<td>)</td>
<td></td><td></td>
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<p>Create a <a class="el" href="classrespeaker_1_1Snips1bDoaKwsNode.html">Snips1bDoaKwsNode</a> instance. Do single-beam keyword(hotword triggering) search with Snips KWS Engine and part of DoA (direction of arrival). Unlike SnowboyKwsNode, this node doesn't do VAD(voice activity detection).</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">snips_model_path</td><td>- The path of snips model. </td></tr>
<tr><td class="paramname">snips_sensitivity</td><td>- [0.1, 0.9] in float format. The higher the sensitivity, the higher the trigger rate. Default to 0.5. </td></tr>
<tr><td class="paramname">enable_agc</td><td>- enable Automatic Gain Control. </td></tr>
<tr><td class="paramname">output_interleaved</td><td>- Set it true to output interleaved data, false to output deinterleaved data. At most time, we don't have to set it true in this node. Because the output data has only one channel(beam).</td></tr>
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</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd>Snips1bDoaKwsNode* </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#a10ec8598b0ea38fd66c14ec8561c324d">◆ </a></span>DisableAutoStateTransfer()</h2>
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<td class="memname">virtual void respeaker::Snips1bDoaKwsNode::DisableAutoStateTransfer </td>
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<span class="mlabels"><span class="mlabel">pure virtual</span></span> </td>
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<dl class="section see"><dt>See also</dt><dd><a class="el" href="classrespeaker_1_1ReSpeaker.html#a4164daf86f69a5396b8b85daf75f7723">ReSpeaker::SetChainState</a> </dd></dl>
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<h2 class="memtitle"><span class="permalink"><a href="#ad9a445beb4758b34ef42976721310c0b">◆ </a></span>GetDirection()</h2>
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<td class="memname">virtual int respeaker::Snips1bDoaKwsNode::GetDirection </td>
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<span class="mlabels"><span class="mlabel">pure virtual</span></span> </td>
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<p>Subclass should implement this method. </p>
<p>Implements <a class="el" href="classrespeaker_1_1DirectionManagerNode.html#a63b67c9bf249502916b571a3f9c6137d">respeaker::DirectionManagerNode</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#aec926e11eb8d2809fc771a722369a7a2">◆ </a></span>HotwordDetected()</h2>
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<td class="memname">virtual int respeaker::Snips1bDoaKwsNode::HotwordDetected </td>
<td>(</td>
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<span class="mlabels"><span class="mlabel">pure virtual</span></span> </td>
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<p>Subclass should implement this method. </p>
<p>Implements <a class="el" href="classrespeaker_1_1HotwordDetectionNode.html#ac00127d5b75776780b63b44179123fdb">respeaker::HotwordDetectionNode</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a8d307aeeac55b7ddf1fda17a5727ee9f">◆ </a></span>OnJoinThread()</h2>
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<td class="memname">virtual bool respeaker::Snips1bDoaKwsNode::OnJoinThread </td>
<td>(</td>
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<span class="mlabels"><span class="mlabel">pure virtual</span></span> </td>
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<p>Do per node cleanup in this method. </p>
<p>Implements <a class="el" href="classrespeaker_1_1BaseNode.html#aed14c54e8a1bca55a384c23d13594613">respeaker::BaseNode</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a4607ce7fa67b70aa4726773b52a198c8">◆ </a></span>OnStartThread()</h2>
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<td class="memname">virtual bool respeaker::Snips1bDoaKwsNode::OnStartThread </td>
<td>(</td>
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<span class="mlabels"><span class="mlabel">pure virtual</span></span> </td>
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<p>The derived node must configure the output parameter in this method </p>
<p>Implements <a class="el" href="classrespeaker_1_1BaseNode.html#a54a8341faa495ff1f5d0b3cf93ba34e7">respeaker::BaseNode</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#afce019feb1e3db991295fafcb35e27e6">◆ </a></span>ProcessBlock()</h2>
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<td class="memname">virtual std::string respeaker::Snips1bDoaKwsNode::ProcessBlock </td>
<td>(</td>
<td class="paramtype">std::string </td>
<td class="paramname"><em>block</em>, </td>
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<td class="paramtype">bool & </td>
<td class="paramname"><em>exit</em> </td>
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<td></td>
<td>)</td>
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<p>Every node must implement this method.</p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">block</td><td>[in] </td></tr>
<tr><td class="paramname">exit</td><td>[out] - The exit flag of the <a class="el" href="structrespeaker_1_1ChainSharedData.html">ChainSharedData</a> is set, the thread should join now.</td></tr>
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</dd>
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<dl class="section return"><dt>Returns</dt><dd>std::string </dd></dl>
<p>Implements <a class="el" href="classrespeaker_1_1BaseNode.html#a58efcb38cbd0dc75a97060afb911e910">respeaker::BaseNode</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#a4e0d904ff66971732c3d8b171e9533cc">◆ </a></span>SetAgcTargetLevelDbfs()</h2>
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<td class="memname">virtual void respeaker::Snips1bDoaKwsNode::SetAgcTargetLevelDbfs </td>
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<td class="paramtype">int </td>
<td class="paramname"><em>dbfs</em></td><td>)</td>
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<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">dbfs</td><td>- [0, 31], Sets the target peak |level| (or envelope) of the AGC in dBFs (decibels from digital full-scale). The convention is to use positive values. For instance, passing in a value of 3 corresponds to -3 dBFs, or a target level 3 dB below full-scale. The default is 3. </td></tr>
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<h2 class="memtitle"><span class="permalink"><a href="#a641e1999033e5f1d791f77eb175028e5">◆ </a></span>SetDirection()</h2>
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<td class="memname">virtual void respeaker::Snips1bDoaKwsNode::SetDirection </td>
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<td class="paramname"><em>dir</em></td><td>)</td>
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<p>Doesn't work now. Please use SetBeanNum() to select the output beam. </p>
<p>Implements <a class="el" href="classrespeaker_1_1DirectionManagerNode.html#a6ea87b631500d76b7ba11b998fb665af">respeaker::DirectionManagerNode</a>.</p>
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<h2 class="memtitle"><span class="permalink"><a href="#aebd22c6406f79b03e106acd4b72aa8d7">◆ </a></span>SetDoAecWhenListen()</h2>
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<td class="memname">virtual void respeaker::Snips1bDoaKwsNode::SetDoAecWhenListen </td>
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<p>Whether or not do AEC when the state machine is in LISTEN* state.</p>
<dl class="params"><dt>Parameters</dt><dd>
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<tr><td class="paramname">do_aec_when_listen</td><td>- The default is true. </td></tr>
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<h2 class="memtitle"><span class="permalink"><a href="#a088ff1b0dc74fbcc4d1d4c8f2e2d05ce">◆ </a></span>SetTriggerPostConfirmThresholdTime()</h2>
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<td class="memname">virtual void respeaker::Snips1bDoaKwsNode::SetTriggerPostConfirmThresholdTime </td>
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<td class="paramname"><em>ms</em></td><td>)</td>
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<p>Time length over which we can confirm that trigger has been post for all beams, then we begin to scoring the triggerd beams, finally calculated the target beam</p>
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<tr><td class="paramname">ms</td><td>- milliseconds </td></tr>
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<hr/>The documentation for this class was generated from the following file:<ul>
<li>/home/gitlab-runner/builds/dc7d1974/0/seeedstudio/librespeaker/include/chain_nodes/<a class="el" href="snips__1b__doa__kws__node_8h_source.html">snips_1b_doa_kws_node.h</a></li>
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