hey-buddy-0.1.0.min.js

/*! For license information please see hey-buddy.min.js.LICENSE.txt */
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t=this.audioBuffer.length,e=t/this.batcher.workletTargetSampleRate;console.log("Dispatching recording for",name,"with",t,"frames (",e,"s)")}var r,n=St(this.recordingCallbacks);try{for(n.s();!(r=n.n()).done;)(0,r.value)(this.audioBuffer)}catch(t){n.e(t)}finally{n.f()}this.audioBuffer=null}else console.error("No recording to dispatch")}},{key:"wakeWordDetected",value:function(t){var e=Date.now();if(!(this.wakeWordTimes[t]&&e-this.wakeWordTimes[t]<1e3*this.wakeWordInterval)){this.debug&&console.log("Wake word detected:",t),this.recording=!0,this.wakeWordTimes[t]=e;var r,n=St(this.detectedCallbacks);try{for(n.s();!(r=n.n()).done;){var o=r.value,i=o.names,a=o.callback;(Array.isArray(i)&&i.includes(t)||i===t)&&a()}}catch(t){n.e(t)}finally{n.f()}}}},{key:"processed",value:function(t){var e,r=St(this.processedCallbacks);try{for(r.s();!(e=r.n()).done;)(0,e.value)(t)}catch(t){r.e(t)}finally{r.f()}}},{key:"checkWakeWordSubset",value:(i=jt(Lt().mark((function t(e){var r=this;return Lt().wrap((function(t){for(;;)switch(t.prev=t.next){case 0:return t.next=2,Promise.all(e.map((function(t){return r.wakeWords[t].run(r.embeddingBuffer)})));case 2:return t.abrupt("return",t.sent);case 3:case"end":return t.stop()}}),t)}))),function(t){return i.apply(this,arguments)})},{key:"checkWakeWords",value:(o=jt(Lt().mark((function t(){var e,r,n,o,i,a,c,u,s;return Lt().wrap((function(t){for(;;)switch(t.prev=t.next){case 0:e={},r=St(this.chunkedWakeWords),t.prev=2,r.s();case 4:if((n=r.n()).done){t.next=12;break}return o=n.value,t.next=8,this.checkWakeWordSubset(o);case 8:for(i=t.sent,a=0;a<o.length;a++)c=o[a],u=i[a],e[c]=u;case 10:t.next=4;break;case 12:t.next=17;break;case 14:t.prev=14,t.t0=t.catch(2),r.e(t.t0);case 17:return t.prev=17,r.f(),t.finish(17);case 20:for(s in e)e[s]>this.wakeWordThreshold&&this.wakeWordDetected(s);return t.abrupt("return",e);case 22:case"end":return t.stop()}}),t,this,[[2,14,17,20]])}))),function(){return o.apply(this,arguments)})},{key:"process",value:(n=jt(Lt().mark((function t(e){var r,n,o,i,a,c,u,s,f,l,p,d=this;return Lt().wrap((function(t){for(;;)switch(t.prev=t.next){case 0:return this.frameStart=(new Date).getTime(),void 0!==this.frameEnd&&null!==this.frameEnd?this.frameInterval=this.frameStart-this.frameEnd:this.frameInterval=0,0===this.frameIntervalEma?this.frameIntervalEma=this.frameInterval:this.frameIntervalEma=this.frameIntervalEma*(1-this.frameIntervalEmaWeight)+this.frameInterval*this.frameIntervalEmaWeight,r=e.subarray(e.length-this.batcher.batchIntervalSamples),t.next=6,this.vad.run(r);case 6:return n=t.sent,o=n>this.positiveVadThreshold,i=n<this.negativeVadThreshold,t.next=11,this.spectrogram.run(e);case 11:return a=t.sent,t.next=14,h.createTensor("float32",a.data,a.dims.slice(2));case 14:return this.spectrogramBuffer=t.sent,t.next=17,this.embedding.run(this.spectrogramBuffer);case 17:if(c=t.sent,null!==this.embeddingBuffer){t.next=24;break}return t.next=21,h.createTensor("float32",c.data,[c.dims[c.dims.length-2],this.embeddingDim]);case 21:this.embeddingBuffer=t.sent,t.next=45;break;case 24:if(!((u=this.embeddingBuffer.dims[0]+c.dims[0]-this.wakeWordEmbeddingFrames)>0)){t.next=39;break}if(!(this.embeddingBuffer.dims[0]<this.wakeWordEmbeddingFrames)){t.next=35;break}return(s=new Float32Array(this.wakeWordEmbeddingFrames*this.embeddingDim)).set(this.embeddingBuffer.data.subarray(u*this.embeddingDim)),s.set(c.data,this.wakeWordEmbeddingFrames-c.dims[0]),t.next=32,h.createTensor("float32",s,[this.wakeWordEmbeddingFrames,this.embeddingDim]);case 32:this.embeddingBuffer=t.sent,t.next=37;break;case 35:this.embeddingBuffer.data.set(this.embeddingBuffer.data.subarray(u*this.embeddingDim)),this.embeddingBuffer.data.set(c.data,this.embeddingBuffer.length-this.embeddingDim);case 37:t.next=45;break;case 39:return(f=new Float32Array(this.embeddingBuffer.data.length+c.data.length)).set(this.embeddingBuffer.data),f.set(c.data,this.embeddingBuffer.data.length),t.next=44,h.createTensor("float32",f,[this.embeddingBuffer.dims[0]+c.dims[0],this.embeddingDim]);case 44:this.embeddingBuffer=t.sent;case 45:if(o?(this.negatives=0,this.listening||this.speechStart(),this.listening=!0):(i&&(this.negatives+=1),this.negatives>this.negativeVadCount&&(this.listening&&this.speechEnd(),this.listening=!1)),!this.listening||this.embeddingBuffer.dims[0]!==this.wakeWordEmbeddingFrames){t.next=53;break}return t.next=49,this.checkWakeWords();case 49:l=t.sent,this.processed({listening:!0,recording:this.recording,speech:{probability:n,active:o},wakeWords:Object.entries(l).reduce((function(t,e){var r=kt(e,2),n=r[0],o=r[1];return t[n]={probability:o,active:o>d.wakeWordThreshold},t}),{})}),t.next=54;break;case 53:this.processed({listening:!1,recording:this.recording,speech:{probability:n,active:o},wakeWords:Object.entries(this.wakeWords).reduce((function(t,e){var r=kt(e,2),n=r[0];return r[1],t[n]={probability:0,active:!1},t}),{})});case 54:this.recording&&(null===this.audioBuffer?(this.audioBuffer=new Float32Array(e.length),this.audioBuffer.set(e)):((p=new Float32Array(this.audioBuffer.length+r.length)).set(this.audioBuffer),p.set(r,this.audioBuffer.length),this.audioBuffer=p)),this.frameEnd=(new Date).getTime(),this.frameTime=this.frameEnd-this.frameStart,0===this.frameTimeEma?this.frameTimeEma=this.frameTime:this.frameTimeEma=this.frameTimeEma*(1-this.frameTimeEmaWeight)+this.frameTime*this.frameTimeEmaWeight;case 58:case"end":return t.stop()}}),t,this)}))),function(t){return n.apply(this,arguments)})}],e&&Tt(t.prototype,e),r&&Tt(t,r),Object.defineProperty(t,"prototype",{writable:!1}),t;var t,e,r,n,o,i}();return window.HeyBuddy=It,e})()));