permissionlesstech/bitchat-android
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Code Issues Packages Projects Releases Wiki Activity

lower voice quality, smaller file size (#483)

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This commit is contained in:
callebtc
2025-10-18 14:20:35 +02:00
committed by GitHub
parent f99cb46b26
commit af4dd175c4
1 changed files with 6 additions and 4 deletions
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app/src/main/java/com/bitchat/android/features/voice/VoiceRecorder.kt
+5 -3
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@@ -1,3 +1,4 @@
package com.bitchat.android.features.voice package com.bitchat.android.features.voice
import android.content.Context import android.content.Context
@@ -37,9 +38,10 @@ class VoiceRecorder(private val context: Context) {
rec.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4) rec.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4)
rec.setAudioEncoder(MediaRecorder.AudioEncoder.AAC) rec.setAudioEncoder(MediaRecorder.AudioEncoder.AAC)
rec.setAudioChannels(1) rec.setAudioChannels(1)
rec.setAudioSamplingRate(44100) // Target: 16 kHz AAC @ 20 kbps ≈ 2.5 KB/sec
// Lower bitrate to keep BLE payloads <= 32KiB for fragmentation // Lower sample rate and bitrate for compact, speech-optimized recordings
rec.setAudioEncodingBitRate(32_000) rec.setAudioSamplingRate(16000)
rec.setAudioEncodingBitRate(20_000)
rec.setOutputFile(file.absolutePath) rec.setOutputFile(file.absolutePath)
rec.prepare() rec.prepare()
rec.start() rec.start()