Adds basic scene to test microphone recording and playing.

2025-11-21 15:46:41 -03:00
parent 2a36a6ad93
commit 6a7453bb89
16 changed files with 589 additions and 36 deletions
@@ -0,0 +1,56 @@
+using UnityEngine;
+
+
+namespace PPGIA.X540.Project3
+{
+    [RequireComponent(typeof(AudioSource))]
+    public class AudioCapture : MonoBehaviour
+    {
+        public enum SampleRate { 
+            Hz16000 = 16000,
+            Hz44100 = 44100, 
+            Hz48000 = 48000, 
+            Hz96000 = 96000 
+        }
+        
+        [Header("Audio Capture Settings")]
+        [SerializeField]
+        private SampleRate _sampleRateInHz = SampleRate.Hz44100;
+
+        private AudioSource _audioSource;
+        private AudioClip _audioClip;
+
+        void Start()
+        {
+            _audioSource = GetComponent<AudioSource>();
+            _audioClip = Microphone.Start(null, true, 1, (int)_sampleRateInHz);
+            _audioSource.clip = _audioClip;
+            _audioSource.loop = true;
+
+            // Wait until the microphone starts recording
+            while (!(Microphone.GetPosition(null) > 0)) { } 
+
+            _audioSource.Play();
+        }
+
+        // void Update()
+        // {
+        //     var samples = new float[SAMPLE_RATE];
+        //     _audioClip.GetData(samples, 0);
+
+        //     for (int i = 0; i < samples.Length; i++)
+        //     {
+        //         samples[i] *= _gain;
+        //         samples[i] = Mathf.Clamp(samples[i], -1.0f, 1.0f);
+        //     }
+
+        //     var processedClip = AudioClip.Create(
+        //         "ProcessedClip", samples.Length, _audioClip.channels, 
+        //         SAMPLE_RATE, false);
+        //     processedClip.SetData(samples, 0);
+
+        //     _audioSource.clip = processedClip;
+        //     if (!_audioSource.isPlaying) _audioSource.Play();
+        // }
+    }
+}
@@ -0,0 +1,2 @@
+fileFormatVersion: 2
+guid: 9523fc2f4430eb549ab3da789eaf70c1