Skip to content

Add silence-based stop for audio sync transmission #11

New issue

Have a question about this project? Sign up for a free GitHub account to open an issue and contact its maintainers and the community.

Sign up for GitHub

By clicking “Sign up for GitHub”, you agree to our terms of service and privacy statement. We’ll occasionally send you account related emails.

Already on GitHub? Sign in to your account

Open
netmindz wants to merge 1 commit into
base: main
Choose a base branch
from
Open

Add silence-based stop for audio sync transmission #11

Changes from all commits
Commits
Show all changes
1 commit
Select commit
File filter

Filter by extension

Filter by extension
Conversations
Failed to load comments.
Loading
Jump to
Jump to file
Failed to load files.
Loading
Diff view
Diff view
19 changes: 18 additions & 1 deletion audio_reactive.h
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -139,6 +139,7 @@ static volatile bool disableSoundProcessing = false; // if true, sound proc
static uint8_t audioSyncEnabled = AUDIOSYNC_NONE; // bit field: bit 0 - send, bit 1 - receive, bit 2 - use local if not receiving
static bool audioSyncSequence = true; // if true, the receiver will drop out-of-sequence packets
static uint8_t audioSyncPurge = 1; // 0: process each packet (don't purge); 1: auto-purge old packets; 2: only process latest received packet (always purge)
static bool audioSyncSilenceStop = true; // if true, the sender will stop transmitting UDP packets after 30 seconds of continuous silence
static bool udpSyncConnected = false; // UDP connection status -> true if connected to multicast group

#define NUM_GEQ_CHANNELS 16 // number of frequency channels. Don't change !!
Expand Down Expand Up @@ -1237,6 +1238,7 @@ class AudioReactive : public Usermod {
// used to feed "Info" Page
unsigned long last_UDPTime = 0; // time of last valid UDP sound sync data packet
int receivedFormat = 0; // last received UDP sound sync format - 0=none, 1=v1 (0.13.x), 2=v2 (0.14.x)
unsigned long syncSilenceStart = 0; // millis() when continuous silence began for the sender; 0 = sound is (or was recently) present
float maxSample5sec = 0.0f; // max sample (after AGC) in last 5 seconds
unsigned long sampleMaxTimer = 0; // last time maxSample5sec was reset
#define CYCLE_SAMPLEMAX 3500 // time window for measuring
Expand Down Expand Up @@ -2433,14 +2435,22 @@ class AudioReactive : public Usermod {

#ifdef ARDUINO_ARCH_ESP32
//UDP Microphone Sync - transmit mode
// Track sender silence: reset timer when sound is present, start it when silence begins
if (audioSyncEnabled & AUDIOSYNC_SEND) {
if (volumeSmth >= 1.0f) syncSilenceStart = 0; // sound detected - clear silence timer
else if (syncSilenceStart == 0) syncSilenceStart = millis(); // just went silent - start timer
}
#if defined(WLEDMM_FASTPATH)
if ((audioSyncEnabled & AUDIOSYNC_SEND) && (haveNewFFTResult || (millis() - lastTime > 24))) { // fastpath: send data once results are ready, or each 25ms as fallback (max sampling time is 23ms)
#else
if ((audioSyncEnabled & AUDIOSYNC_SEND) && (millis() - lastTime > 20)) { // standard: send data each 20ms
#endif
haveNewFFTResult = false; // reset notification
// Only run the transmit code IF we're in Transmit mode
transmitAudioData();
// Sender silence gate: skip transmission when silence has persisted for more than 30 seconds
if (!audioSyncSilenceStop || (syncSilenceStart == 0) || (millis() - syncSilenceStart < 30000UL)) {
transmitAudioData();
}
lastTime = millis();
}
#endif
Expand Down Expand Up @@ -2882,6 +2892,7 @@ class AudioReactive : public Usermod {
sync[F("mode")] = audioSyncEnabled;
sync[F("skip_old_data")] = audioSyncPurge;
sync[F("check_sequence")] = audioSyncSequence;
sync[F("silence_stop")] = audioSyncSilenceStop;
}


Expand Down Expand Up @@ -2966,6 +2977,7 @@ class AudioReactive : public Usermod {
configComplete &= getJsonValue(top["sync"][F("mode")], audioSyncEnabled);
configComplete &= getJsonValue(top["sync"][F("skip_old_data")], audioSyncPurge);
configComplete &= getJsonValue(top["sync"][F("check_sequence")], audioSyncSequence);
configComplete &= getJsonValue(top["sync"][F("silence_stop")], audioSyncSilenceStop);

// WLEDMM notify user when a reboot is necessary
#ifdef ARDUINO_ARCH_ESP32
Expand Down Expand Up @@ -3203,6 +3215,11 @@ class AudioReactive : public Usermod {
oappend(SET_F("addOption(dd,'On',1);"));

oappend(SET_F("addInfo(ux+':sync:check_sequence',1,'<i>when receiving</i> ☾<br> Sync audio data with other WLEDs');")); // must append this to the last field of 'sync'
// silence_stop: Sender stops transmitting UDP packets after 30s of continuous silence
oappend(SET_F("dd=addDropdown(ux,'sync:silence_stop');"));
oappend(SET_F("addOption(dd,'Off',0);"));
oappend(SET_F("addOption(dd,'On',1);"));
oappend(SET_F("addInfo(ux+':sync:silence_stop',1,'<i>stop sending after 30s silence</i> ☾<br> Sync audio data with other WLEDs');")); // must append this to the last field of 'sync'

oappend(SET_F("addInfo(ux+':digitalmic:type',1,'<i>requires reboot!</i>');")); // 0 is field type, 1 is actual field
#ifdef ARDUINO_ARCH_ESP32
Expand Down