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!636 !quicknew !standard functions import android.media.AudioFormat; import android.media.AudioRecord; import android.media.MediaRecorder; import android.app.Activity; import android.widget.*; import android.graphics.*; import android.content.*; // Intent etc. class SoundMeter { private AudioRecord ar = null; private int minSize; public void start() { minSize= AudioRecord.getMinBufferSize(8000, AudioFormat.CHANNEL_IN_MONO, AudioFormat.ENCODING_PCM_16BIT); ar = new AudioRecord(MediaRecorder.AudioSource.MIC, 8000,AudioFormat.CHANNEL_IN_MONO, AudioFormat.ENCODING_PCM_16BIT,minSize); ar.startRecording(); } public void stop() { if (ar != null) { ar.stop(); } } public double getAmplitude() { short[] buffer = new short[minSize]; ar.read(buffer, 0, minSize); int max = 0; for (short s : buffer) { if (Math.abs(s) > max) { max = Math.abs(s); } } return max; } } main { static double gain=5.0; static Object androidContext; psvm { new SoundMeter sm; sm.start(); goToHomeScreen (); double highest = 1.0; for (int i = 0; i < 10000; i ++) { double amp = sm.getAmplitude(); highest = Math.max(highest, amp); int col = (int) Math.min(255, Math.floor(amp/highest*gain*255)); setWidgetColor(col); } sm.stop(); } }
Began life as a copy of #1000439
download show line numbers debug dex old transpilations
Travelled to 18 computer(s): aoiabmzegqzx, bhatertpkbcr, cbybwowwnfue, cfunsshuasjs, exkalrxbqyxc, gwrvuhgaqvyk, hxnwyiuffukg, ishqpsrjomds, lpdgvwnxivlt, mqqgnosmbjvj, mrjhfnjfopze, nrtiiiyxqhmw, onxytkatvevr, pyentgdyhuwx, pzhvpgtvlbxg, tslmcundralx, tvejysmllsmz, vouqrxazstgt
ID | Author/Program | Comment | Date |
---|---|---|---|
183 | #1000604 (pitcher) | 2015-08-18 00:50:10 | |
177 | #1000610 (pitcher) | 2015-08-18 00:49:56 |
Snippet ID: | #1000440 |
Snippet name: | Graphical sound meter |
Eternal ID of this version: | #1000440/1 |
Text MD5: | 2ad7ae9fdf76f8f6979b9d5d89df383e |
Transpilation MD5: | 6acec68b68fa61bf9a01c94adb4f1222 |
Author: | stefan |
Category: | javax android |
Type: | JavaX source code (Android) |
Public (visible to everyone): | Yes |
Archived (hidden from active list): | No |
Created/modified: | 2015-08-17 13:41:57 |
Source code size: | 1539 bytes / 68 lines |
Pitched / IR pitched: | No / Yes |
Views / Downloads: | 997 / 948 |
Referenced in: | #2000526 - Marked titles (beginning), contents of http://tinybrain.blog.de #3000000 - Contents of http://tinybrain.blog.de #3000001 - Contents of http://tinybrain.blog.de #3000002 - Contents of http://tinybrain.blog.de #3000382 - Answer for ferdie (>> t = 1, f = 0) #3000383 - Answer for funkoverflow (>> t=1, f=0 okay) |