diff --git a/Riot/Modules/Room/VoiceMessages/VoiceMessageAudioConverter.swift b/Riot/Modules/Room/VoiceMessages/VoiceMessageAudioConverter.swift
index 3d4ef1df6..c6ca771be 100644
--- a/Riot/Modules/Room/VoiceMessages/VoiceMessageAudioConverter.swift
+++ b/Riot/Modules/Room/VoiceMessages/VoiceMessageAudioConverter.swift
@@ -24,12 +24,12 @@ enum VoiceMessageAudioConverterError: Error {
 
 struct VoiceMessageAudioConverter {
     static func convertToOpusOgg(sourceURL: URL, destinationURL: URL, completion: @escaping (Result<Void, VoiceMessageAudioConverterError>) -> Void) {
-        let command = "-hide_banner -y -i \"\(sourceURL.path)\" -c:a libopus \"\(destinationURL.path)\""
+        let command = "-hide_banner -y -i \"\(sourceURL.path)\" -c:a libopus -b:a -b:a 24k \"\(destinationURL.path)\""
         executeCommand(command, completion: completion)
     }
     
     static func convertToMPEG4AAC(sourceURL: URL, destinationURL: URL, completion: @escaping (Result<Void, VoiceMessageAudioConverterError>) -> Void) {
-        let command = "-hide_banner -y -i \"\(sourceURL.path)\" -c:a aac_at -b:a 192k \"\(destinationURL.path)\""
+        let command = "-hide_banner -y -i \"\(sourceURL.path)\" -c:a aac_at \"\(destinationURL.path)\""
         executeCommand(command, completion: completion)
     }
     
diff --git a/Riot/Modules/Room/VoiceMessages/VoiceMessageAudioRecorder.swift b/Riot/Modules/Room/VoiceMessages/VoiceMessageAudioRecorder.swift
index 76043f073..c1fb0a5a9 100644
--- a/Riot/Modules/Room/VoiceMessages/VoiceMessageAudioRecorder.swift
+++ b/Riot/Modules/Room/VoiceMessages/VoiceMessageAudioRecorder.swift
@@ -51,7 +51,8 @@ class VoiceMessageAudioRecorder: NSObject, AVAudioRecorderDelegate {
     func recordWithOutputURL(_ url: URL) {
         
         let settings = [AVFormatIDKey: Int(kAudioFormatMPEG4AAC),
-                        AVSampleRateKey: 12000,
+                        AVSampleRateKey: 48000,
+                        AVEncoderBitRateKey: 128000,
                         AVNumberOfChannelsKey: 1,
                         AVEncoderAudioQualityKey: AVAudioQuality.high.rawValue]