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1 | !7 |
2 | |
3 | module ListenOnNoise > DynPrintLogAndEnabled {
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4 | double minLevel = 20; // percent |
5 | double maxPause = 1; // pause allowed while we keep recording, seconds |
6 | double minDuration = 0.5; // min seconds of complete recording to submit |
7 | double maxDuration = 10; // always stop after this many seconds |
8 | double extendAfter = 0.5; // seconds to add at the end |
9 | |
10 | transient int interval = 100; |
11 | transient long noiseSince, lastNoise; |
12 | transient L<short[]> buffer = synchroList(); |
13 | transient bool talking; |
14 | transient TrayIcon externalTrayIcon; |
15 | |
16 | start {
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17 | onChangeAndNow(r {
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18 | if (enabled && externalTrayIcon == null) |
19 | externalTrayIcon = installTrayIcon(#1101460, "Alexa Mode (continously listening)", r { dm_activateOSAndModule(module()) }, |
20 | "Stop Listening", r stopListening); |
21 | else if (!enabled && externalTrayIcon != null) {
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22 | removeTrayIcon(externalTrayIcon); |
23 | externalTrayIcon = null; |
24 | } |
25 | }); |
26 | |
27 | dm_vmBus_onMessage('talking, r { talking = true });
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28 | dm_vmBus_onMessage('doneTalking, r { talking = false });
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29 | |
30 | dm_addAudioListener(voidfunc(short[] data) {
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31 | if (noiseSince == 0) clear(buffer); |
32 | buffer.add(cloneShortArray(data)); |
33 | }); |
34 | |
35 | dm_onTopInput(voidfunc(S s) {
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36 | if "stop listening|voice of" stopListening() |
37 | }); |
38 | |
39 | doEvery(interval, r {
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40 | if (noiseSince != 0 && elapsedSeconds(noiseSince) >= maxDuration-0.05) {
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41 | // too long, discard, maybe it's constant noise |
42 | printWithSeconds("Recording too long (" + maxDuration + " s), discarding");
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43 | noiseSince = 0; |
44 | clear(buffer); |
45 | } |
46 | |
47 | float volume = dm_inputVolumeLevel(); |
48 | //print("Volume: " + volume);
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49 | if (volume >= minLevel && !talking) {
|
50 | // got noise |
51 | lastNoise = sysNow(); |
52 | if (noiseSince == 0) |
53 | noiseSince = lastNoise; |
54 | } else if (noiseSince != 0) { // got no noise, but am recording
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55 | if (elapsedSeconds(lastNoise) > maxPause-0.05) {
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56 | double duration = toSeconds(lastNoise-noiseSince+toMS(extendAfter)); |
57 | if (duration >= minDuration-0.05) {
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58 | printWithSeconds((enabled ? "Keeping" : "Would keep") + " recording of " + formatDouble(duration, 1) + " seconds"); |
59 | if (enabled) {
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60 | L<short[]> chunks = cloneList(buffer); |
61 | |
62 | // drop last silent chunks |
63 | int len = lengthLevel2_shortArrays(chunks); |
64 | int wantedLengthInSamples = iround(duration*44100*2); |
65 | int dropped = 0; |
66 | while (len-l(last(chunks)) >= wantedLengthInSamples) {
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67 | len -= l(last(chunks)); |
68 | popLast(chunks); |
69 | ++dropped; |
70 | } |
71 | //print("Dropped " + n2(dropped, "chunk"));
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72 | |
73 | File wavFile = anonymousWAVEFile(); |
74 | multiShortArraysToWAVE(chunks, wavFile); |
75 | //printFileInfo(wavFile); |
76 | vmBus_send('newRecording, wavFile);
|
77 | } |
78 | } else |
79 | printWithSeconds("Discarding recording of " + formatDouble(duration, 1) + " seconds");
|
80 | noiseSince = 0; |
81 | clear(buffer); |
82 | } |
83 | } |
84 | }); |
85 | } |
86 | |
87 | void cleanMeUp {
|
88 | removeTrayIcon(externalTrayIcon); |
89 | } |
90 | |
91 | void stopListening enter {
|
92 | if (setField(enabled := false)) |
93 | blipInNewThread(); |
94 | } |
95 | } |
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| Snippet ID: | #1020224 |
| Snippet name: | "Alexa Mode" [always listen to speech, OK] |
| Eternal ID of this version: | #1020224/35 |
| Text MD5: | 9397adaca5bd892975c943abc831e07b |
| Transpilation MD5: | 8db2957bc85f5958aa7bb93e43652edf |
| Author: | stefan |
| Category: | javax / speech recognition |
| Type: | JavaX source code (Dynamic Module) |
| Public (visible to everyone): | Yes |
| Archived (hidden from active list): | No |
| Created/modified: | 2018-12-12 23:30:51 |
| Source code size: | 3453 bytes / 95 lines |
| Pitched / IR pitched: | No / No |
| Views / Downloads: | 430 / 935 |
| Version history: | 34 change(s) |
| Referenced in: | [show references] |