diff --git a/src/audio_core/sdl_audio.cpp b/src/audio_core/sdl_audio.cpp
index 63319ab1d..457f8802f 100644
--- a/src/audio_core/sdl_audio.cpp
+++ b/src/audio_core/sdl_audio.cpp
@@ -2,6 +2,7 @@
 // SPDX-License-Identifier: GPL-2.0-or-later
 
 #include <common/assert.h>
+#include <core/libraries/error_codes.h>
 #include "sdl_audio.h"
 
 namespace Audio {
@@ -90,9 +91,13 @@ int SDLAudio::AudioOutOpen(int type, u32 samples_num, u32 freq,
 s32 SDLAudio::AudioOutOutput(s32 handle, const void* ptr) {
     std::scoped_lock lock{m_mutex};
     auto& port = portsOut[handle - 1];
-    if (!port.isOpen || ptr == nullptr)
+    if (!port.isOpen) {
+        return ORBIS_AUDIO_OUT_ERROR_INVALID_PORT;
+    }
+    if (ptr == nullptr) {
         return 0;
-
+    }
+    // TODO mixing channels
     int result = SDL_PutAudioStreamData(port.stream, ptr,
                                         port.samples_num * port.sample_size * port.channels_num);
     // TODO find a correct value 8192 is estimated
diff --git a/src/audio_core/sdl_audio.h b/src/audio_core/sdl_audio.h
index f1eff066d..5c29835c3 100644
--- a/src/audio_core/sdl_audio.h
+++ b/src/audio_core/sdl_audio.h
@@ -34,7 +34,8 @@ private:
         SDL_AudioStream* stream = nullptr;
     };
     std::mutex m_mutex;
-    std::array<PortOut, 8> portsOut; // main support up to 8 ports
+    std::array<PortOut, 22> portsOut; // main up to 8 ports , BGM 1 port , voice up to 4 ports ,
+                                      // personal up to 4 ports , padspk up to 5 ports , aux 1 port
 };
 
 } // namespace Audio
\ No newline at end of file
diff --git a/src/core/libraries/libsceaudioout.cpp b/src/core/libraries/libsceaudioout.cpp
index 0a6144b49..0b64aef92 100644
--- a/src/core/libraries/libsceaudioout.cpp
+++ b/src/core/libraries/libsceaudioout.cpp
@@ -231,10 +231,30 @@ s32 PS4_SYSV_ABI sceAudioOutOpen(UserService::OrbisUserServiceUserId user_id,
                                  OrbisAudioOutPort port_type, s32 index, u32 length,
                                  u32 sample_rate, OrbisAudioOutParam param_type) {
     LOG_INFO(Lib_AudioOut,
-             "AudioOutOpen id = {} port_type = {} index = {} lengh t= {} sample_rate = {} "
+             "AudioOutOpen id = {} port_type = {} index = {} lenght= {} sample_rate = {} "
              "param_type = {}",
              user_id, GetAudioOutPort(port_type), index, length, sample_rate,
              GetAudioOutParam(param_type));
+    if ((port_type < 0 || port_type > 4) && (port_type != 127)) {
+        LOG_ERROR(Lib_AudioOut, "Invalid port type");
+        return ORBIS_AUDIO_OUT_ERROR_INVALID_PORT_TYPE;
+    }
+    if (sample_rate != 48000) {
+        LOG_ERROR(Lib_AudioOut, "Invalid sample rate");
+        return ORBIS_AUDIO_OUT_ERROR_INVALID_SAMPLE_FREQ;
+    }
+    if (param_type < 0 || param_type > 7) {
+        LOG_ERROR(Lib_AudioOut, "Invalid format");
+        return ORBIS_AUDIO_OUT_ERROR_INVALID_FORMAT;
+    }
+    if (length != 256 && length != 512 && length != 768 && length != 1024 && length != 1280 &&
+        length != 1536 && length != 1792 && length != 2048) {
+        LOG_ERROR(Lib_AudioOut, "Invalid length");
+        return ORBIS_AUDIO_OUT_ERROR_INVALID_SIZE;
+    }
+    if (index != 0) {
+        LOG_ERROR(Lib_AudioOut, "index is not valid !=0 {}", index);
+    }
     int result = audio->AudioOutOpen(port_type, length, sample_rate, param_type);
     if (result == -1) {
         LOG_ERROR(Lib_AudioOut, "Audio ports are full");