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add more wake word packets

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This commit is contained in:
Terrence
2024-09-26 16:19:06 +08:00
parent 0396b4a91c
commit 7fd72aa8e2
1 changed files with 3 additions and 3 deletions
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6
main/Application.cc
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@@ -302,8 +302,8 @@ void Application::StoreWakeWordData(uint8_t* data, size_t size) {
};
memcpy(iov.iov_base, data, size);
wake_word_pcm_.push_back(iov);
// remove the oldest packet if the size is larger than 50, about 2 seconds
if (wake_word_pcm_.size() > 50) {
// keep about 2 seconds of data, detect duration is 32ms (sample_rate == 16000, chunksize == 512)
if (wake_word_pcm_.size() > 2000 / 32) {
heap_caps_free(wake_word_pcm_.front().iov_base);
wake_word_pcm_.pop_front();
}
@@ -320,7 +320,7 @@ void Application::EncodeWakeWordData() {
// encode detect packets
OpusEncoder* encoder = new OpusEncoder();
encoder->Configure(CONFIG_AUDIO_INPUT_SAMPLE_RATE, 1, 60);
encoder->SetComplexity(2);
encoder->SetComplexity(0);
for (auto& pcm: app->wake_word_pcm_) {
encoder->Encode(pcm, [app](const iovec opus) {