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220Hz tone injection option for easier audio quality checks

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This commit is contained in:
Philip Rosedale 2014-03-31 21:55:29 -07:00
parent 81d1eb7ed2
commit 7d12fcee9d
4 changed files with 30 additions and 4 deletions
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24
interface/src/Audio.cpp
View file

@ -66,8 +66,10 @@ Audio::Audio(Oscilloscope* scope, int16_t initialJitterBufferSamples, QObject* p
_noiseGateSampleCounter(0),
_noiseGateOpen(false),
_noiseGateEnabled(true),
_toneInjectionEnabled(false),
_noiseGateFramesToClose(0),
_totalPacketsReceived(0),
_totalInputAudioSamples(0),
_collisionSoundMagnitude(0.0f),
_collisionSoundFrequency(0.0f),
_collisionSoundNoise(0.0f),
@ -390,7 +392,7 @@ void Audio::handleAudioInput() {
inputSamplesRequired,
NETWORK_BUFFER_LENGTH_SAMPLES_PER_CHANNEL,
_inputFormat, _desiredInputFormat);
//
// Impose Noise Gate
//
@ -421,13 +423,15 @@ void Audio::handleAudioInput() {
const float DC_OFFSET_AVERAGING = 0.99f;
const float CLIPPING_THRESHOLD = 0.90f;
//
// Check clipping, adjust DC offset, and check if should open noise gate
//
float measuredDcOffset = 0.f;
// Increment the time since the last clip
if (_timeSinceLastClip >= 0.0f) {
_timeSinceLastClip += (float) NETWORK_BUFFER_LENGTH_SAMPLES_PER_CHANNEL / (float) SAMPLE_RATE;
}
for (int i = 0; i < NETWORK_BUFFER_LENGTH_SAMPLES_PER_CHANNEL; i++) {
measuredDcOffset += monoAudioSamples[i];
monoAudioSamples[i] -= (int16_t) _dcOffset;
@ -489,6 +493,16 @@ void Audio::handleAudioInput() {
_lastInputLoudness = 0;
}
}
//
// Add tone injection if enabled
//
const float TONE_FREQ = 220.f / SAMPLE_RATE * TWO_PI;
const float QUARTER_VOLUME = 8192.f;
if (_toneInjectionEnabled) {
for (int i = 0; i < NETWORK_BUFFER_LENGTH_SAMPLES_PER_CHANNEL; i++) {
monoAudioSamples[i] = QUARTER_VOLUME * sinf(TONE_FREQ * (float)(i + _proceduralEffectSample));
}
}
// add input data just written to the scope
QMetaObject::invokeMethod(_scope, "addSamples", Qt::QueuedConnection,
@ -683,7 +697,9 @@ void Audio::toggleAudioNoiseReduction() {
_noiseGateEnabled = !_noiseGateEnabled;
}
void Audio::toggleToneInjection() {
_toneInjectionEnabled = !_toneInjectionEnabled;
}
// Take a pointer to the acquired microphone input samples and add procedural sounds
void Audio::addProceduralSounds(int16_t* monoInput, int numSamples) {

3
interface/src/Audio.h
View file

@ -81,6 +81,7 @@ public slots:
void reset();
void toggleMute();
void toggleAudioNoiseReduction();
void toggleToneInjection();
virtual void handleAudioByteArray(const QByteArray& audioByteArray);
@ -135,8 +136,10 @@ private:
int _noiseGateSampleCounter;
bool _noiseGateOpen;
bool _noiseGateEnabled;
bool _toneInjectionEnabled;
int _noiseGateFramesToClose;
int _totalPacketsReceived;
int _totalInputAudioSamples;
float _collisionSoundMagnitude;
float _collisionSoundFrequency;

6
interface/src/Menu.cpp
View file

@ -360,6 +360,12 @@ Menu::Menu() :
false,
appInstance->getAudio(),
SLOT(toggleMute()));
addCheckableActionToQMenuAndActionHash(audioDebugMenu, MenuOption::AudioToneInjection,
0,
false,
appInstance->getAudio(),
SLOT(toggleToneInjection()));
addActionToQMenuAndActionHash(developerMenu, MenuOption::PasteToVoxel,
Qt::CTRL | Qt::SHIFT | Qt::Key_V,

1
interface/src/Menu.h
View file

@ -242,6 +242,7 @@ namespace MenuOption {
const QString FilterSixense = "Smooth Sixense Movement";
const QString Enable3DTVMode = "Enable 3DTV Mode";
const QString AudioNoiseReduction = "Audio Noise Reduction";
const QString AudioToneInjection = "Inject Test Tone";
const QString EchoServerAudio = "Echo Server Audio";
const QString EchoLocalAudio = "Echo Local Audio";
const QString MuteAudio = "Mute Microphone";