improve voice message quality

see https://en.wikipedia.org/wiki/44,100_Hz Signed-off-by: Marcel Hibbe <dev@mhibbe.de>
nextcloud · Jan 23, 2023 · 16af5c1 · 16af5c1
1 parent 7d893cd
commit 16af5c1
Showing 1 changed file with 6 additions and 0 deletions.
diff --git a/app/src/main/java/com/nextcloud/talk/controllers/ChatController.kt b/app/src/main/java/com/nextcloud/talk/controllers/ChatController.kt
@@ -1156,6 +1156,9 @@ class ChatController(args: Bundle) :
             setOutputFile(file)
             setOutputFormat(MediaRecorder.OutputFormat.MPEG_4)
             setAudioEncoder(MediaRecorder.AudioEncoder.AAC)
+            setAudioSamplingRate(VOICE_MESSAGE_SAMPLE_RATE)
+            setAudioEncodingBitRate(VOICE_MESSAGE_BIT_RATE)
+            setAudioChannels(VOICE_MESSAGE_CHANNELS)
 
             try {
                 prepare()
@@ -3412,6 +3415,9 @@ class ChatController(args: Bundle) :
         private const val VOICE_RECORD_CANCEL_SLIDER_X: Int = -50
         private const val VOICE_MESSAGE_META_DATA = "{\"messageType\":\"voice-message\"}"
         private const val VOICE_MESSAGE_FILE_SUFFIX = ".mp3"
+        private const val VOICE_MESSAGE_SAMPLE_RATE = 44100
+        private const val VOICE_MESSAGE_CHANNELS = 1
+        private const val VOICE_MESSAGE_BIT_RATE = 32000
         private const val FILE_DATE_PATTERN = "yyyy-MM-dd HH-mm-ss"
         private const val VIDEO_SUFFIX = ".mp4"
         private const val SHORT_VIBRATE: Long = 20