audio-recording 相关问题

与应用程序中的录音有关的问题。对于录音问题，请使用[录音]标签。有关声音的特定问题，请使用[音频]。

如何使用JavaScript检测与麦克风连接的系统我使用getusermedia（）进行音频录制，并且可以正常工作，但对此有问题。我想在开始录制任何麦克风与系统连接之前显示一条消息或...

用于录制录制，并且可以正常工作，但对此有问题。

javascript html audio-recording microphone getusermedia

回答 2 投票 0

android的extrageRognizer用extra_audio_source仍在听麦克风而不是从文件

private var recorder: MediaRecorder? = null private var recognizer: SpeechRecognizer? = null private val mediaFormat = MediaRecorder.OutputFormat.MPEG_4 private val audioEncoding = MediaRecorder.AudioEncoder.DEFAULT private var currentRecordingFile: String = "recording_0.3gp" private var recordingParcel: ParcelFileDescriptor? = null // [ {"text": "speech to text result", "file": "path to clip recording"}, "time": "datetime" ] private var translations = mutableStateListOf<Map<String, String>>() private fun startTalking () { startRecording() } private fun stopTalking () { stopRecording() startRecognizing() } private fun startRecording () { val num = translations.count() currentRecordingFile = "$externalCacheDir/recording_$num.3gp" recorder = MediaRecorder(this).apply { setAudioSource(MediaRecorder.AudioSource.MIC) setOutputFormat(mediaFormat) setAudioEncoder(audioEncoding) setAudioChannels(1) setAudioSamplingRate(16000) setAudioEncodingBitRate(64000) setOutputFile(currentRecordingFile) try { prepare() } catch (e: IOException) { Log.e("startRecording", e.toString()) } start() } } private fun stopRecording () { recorder?.apply { stop() release() } recorder = null } private fun startRecognizing () { val file = File(currentRecordingFile) recordingParcel = ParcelFileDescriptor.open(file, ParcelFileDescriptor.MODE_READ_ONLY) val intent = Intent(RecognizerIntent.ACTION_RECOGNIZE_SPEECH) intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE, "in-ID") intent.putExtra(RecognizerIntent.EXTRA_LANGUAGE_PREFERENCE, "in-ID") intent.putExtra(RecognizerIntent.EXTRA_AUDIO_SOURCE, recordingParcel) intent.putExtra(RecognizerIntent.EXTRA_AUDIO_SOURCE_ENCODING, audioEncoding) intent.putExtra(RecognizerIntent.EXTRA_AUDIO_SOURCE_CHANNEL_COUNT, 1) intent.putExtra(RecognizerIntent.EXTRA_AUDIO_SOURCE_SAMPLING_RATE, 16000) try { recognizer = SpeechRecognizer.createSpeechRecognizer(this) recognizer?.setRecognitionListener(this) recognizer?.startListening(intent) } catch (e: Exception) { Log.e("SpeechRecognizer", e.message.toString()) } } private fun stopRecognizing () { recordingParcel?.close() recognizer?.stopListening() recognizer?.destroy() recognizer = null } override fun onError(error: Int) { Log.e("Speech onError", error.toString()) stopRecognizing() } override fun onResults(results: Bundle){ val words: ArrayList<String>? = results.getStringArrayList(SpeechRecognizer.RESULTS_RECOGNITION) if (words != null) { val sentence = words.joinToString(separator = " ") val translation = mapOf("text" to sentence, "file" to currentRecordingFile) translations.add(translation) Log.e("CURR RESULT", sentence) } stopRecognizing() }

android kotlin speech-recognition audio-recording

回答 0 投票 0

当应用在后台时，如何保持剧烈的麦克风记录？

android ios flutter background audio-recording

回答 1 投票 0

JavaScript 媒体源 API - 爆裂音频

有人对 MediaSource API 和音频流有经验吗？我正在尝试为网络研讨会制作一个网络应用程序。我已经做过和正在做的事情： 1）在流媒体端，我创建一个媒体流...

javascript audio audio-streaming audio-recording media-source

回答 1 投票 0

为什么AudioRecord只输出零？

我正在使用Java Android AudioRecorder（代码如下）。当我开始录音时，rms是大于0的正常值。录音后几秒钟，rms只得到0.0值，这意味着audioBuffer i...

java android backend audio-recording