diff --git a/app/src/main/cpp/skyline/services/codec/IHardwareOpusDecoder.cpp b/app/src/main/cpp/skyline/services/codec/IHardwareOpusDecoder.cpp
index c976f3a9..7c0e9966 100644
--- a/app/src/main/cpp/skyline/services/codec/IHardwareOpusDecoder.cpp
+++ b/app/src/main/cpp/skyline/services/codec/IHardwareOpusDecoder.cpp
@@ -11,12 +11,12 @@ namespace skyline::service::codec {
         return util::AlignUp(static_cast<u32>(frameSize * channelCount / (OpusFullbandSampleRate / sampleRate)), 0x40);
     }
 
-    IHardwareOpusDecoder::IHardwareOpusDecoder(const DeviceState &state, ServiceManager &manager, i32 sampleRate, i32 channelCount, u32 workBufferSize, KHandle workBufferHandle)
+    IHardwareOpusDecoder::IHardwareOpusDecoder(const DeviceState &state, ServiceManager &manager, i32 sampleRate, i32 channelCount, u32 workBufferSize, KHandle workBufferHandle, bool isIsLargerSize)
         : BaseService(state, manager),
           sampleRate(sampleRate),
           channelCount(channelCount),
           workBuffer(state.process->GetHandle<kernel::type::KTransferMemory>(workBufferHandle)),
-          decoderOutputBufferSize(CalculateOutBufferSize(sampleRate, channelCount, MaxFrameSizeNormal)) {
+          decoderOutputBufferSize(CalculateOutBufferSize(sampleRate, channelCount, isIsLargerSize ? MaxFrameSizeEx : MaxFrameSizeNormal)) {
         if (workBufferSize < decoderOutputBufferSize)
             throw exception("Work Buffer doesn't have adequate space for Opus Decoder: 0x{:X} (Required: 0x{:X})", workBufferSize, decoderOutputBufferSize);
 
diff --git a/app/src/main/cpp/skyline/services/codec/IHardwareOpusDecoder.h b/app/src/main/cpp/skyline/services/codec/IHardwareOpusDecoder.h
index 9521c314..2825c943 100644
--- a/app/src/main/cpp/skyline/services/codec/IHardwareOpusDecoder.h
+++ b/app/src/main/cpp/skyline/services/codec/IHardwareOpusDecoder.h
@@ -58,7 +58,7 @@ namespace skyline::service::codec {
         Result DecodeInterleavedImpl(ipc::IpcRequest &request, ipc::IpcResponse &response, bool writeDecodeTime = false);
 
       public:
-        IHardwareOpusDecoder(const DeviceState &state, ServiceManager &manager, i32 sampleRate, i32 channelCount, u32 workBufferSize, KHandle workBufferHandle);
+        IHardwareOpusDecoder(const DeviceState &state, ServiceManager &manager, i32 sampleRate, i32 channelCount, u32 workBufferSize, KHandle workBufferHandle, bool isIsLargerSize = false);
 
         /**
          * @brief Decodes the Opus source data, returns decoded data size and decoded sample count
diff --git a/app/src/main/cpp/skyline/services/codec/IHardwareOpusDecoderManager.cpp b/app/src/main/cpp/skyline/services/codec/IHardwareOpusDecoderManager.cpp
index d52a45aa..576ee173 100644
--- a/app/src/main/cpp/skyline/services/codec/IHardwareOpusDecoderManager.cpp
+++ b/app/src/main/cpp/skyline/services/codec/IHardwareOpusDecoderManager.cpp
@@ -7,9 +7,9 @@
 #include "IHardwareOpusDecoder.h"
 
 namespace skyline::service::codec {
-    static u32 CalculateBufferSize(i32 sampleRate, i32 channelCount) {
+    static u32 CalculateBufferSize(i32 sampleRate, i32 channelCount, i32 useLargerFrameSize = 0) {
         u32 requiredSize{static_cast<u32>(opus_decoder_get_size(channelCount))};
-        requiredSize += MaxInputBufferSize + CalculateOutBufferSize(sampleRate, channelCount, MaxFrameSizeNormal);
+        requiredSize += MaxInputBufferSize + CalculateOutBufferSize(sampleRate, channelCount, useLargerFrameSize ? MaxFrameSizeEx : MaxFrameSizeNormal);
         return requiredSize;
     }
 
@@ -32,4 +32,28 @@ namespace skyline::service::codec {
         response.Push<u32>(CalculateBufferSize(sampleRate, channelCount));
         return {};
     }
+
+    Result IHardwareOpusDecoderManager::OpenHardwareOpusDecoderEx(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
+        i32 sampleRate{request.Pop<i32>()};
+        i32 channelCount{request.Pop<i32>()};
+        i32 useLargerFrameSize{request.Pop<i32>()};
+        request.Pop<i32>(); // Just padding
+        u32 workBufferSize{request.Pop<u32>()};
+        KHandle workBuffer{request.copyHandles.at(0)};
+
+        Logger::Debug("Creating Opus decoder: Sample rate: {}, Channel count: {}, Work buffer handle: 0x{:X} (Size: 0x{:X})", sampleRate, channelCount, workBuffer, workBufferSize);
+
+        manager.RegisterService(std::make_shared<IHardwareOpusDecoder>(state, manager, sampleRate, channelCount, workBufferSize, workBuffer, useLargerFrameSize), session, response);
+        return {};
+    }
+
+    Result IHardwareOpusDecoderManager::GetWorkBufferSizeEx(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response) {
+        i32 sampleRate{request.Pop<i32>()};
+        i32 channelCount{request.Pop<i32>()};
+        i32 useLargerFrameSize{request.Pop<i32>()};
+        request.Pop<i32>(); // Just padding
+
+        response.Push<u32>(CalculateBufferSize(sampleRate, channelCount, useLargerFrameSize));
+        return {};
+    }
 }
diff --git a/app/src/main/cpp/skyline/services/codec/IHardwareOpusDecoderManager.h b/app/src/main/cpp/skyline/services/codec/IHardwareOpusDecoderManager.h
index 3d3e3dd8..71372a6a 100644
--- a/app/src/main/cpp/skyline/services/codec/IHardwareOpusDecoderManager.h
+++ b/app/src/main/cpp/skyline/services/codec/IHardwareOpusDecoderManager.h
@@ -39,9 +39,23 @@ namespace skyline::service::codec {
          */
         Result GetWorkBufferSize(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
 
+        /**
+         * @brief Returns an IHardwareOpusDecoder object [12.0.0+]
+         * @url https://switchbrew.org/wiki/Audio_services#OpenHardwareOpusDecoder
+         */
+        Result OpenHardwareOpusDecoderEx(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
+
+        /**
+         * @brief Returns the required size for the decoder's work buffer [12.0.0+]
+         * @url https://switchbrew.org/wiki/Audio_services#GetWorkBufferSizeEx
+         */
+        Result GetWorkBufferSizeEx(type::KSession &session, ipc::IpcRequest &request, ipc::IpcResponse &response);
+
         SERVICE_DECL(
             SFUNC(0x0, IHardwareOpusDecoderManager, OpenHardwareOpusDecoder),
             SFUNC(0x1, IHardwareOpusDecoderManager, GetWorkBufferSize),
+            SFUNC(0x4, IHardwareOpusDecoderManager, OpenHardwareOpusDecoderEx),
+            SFUNC(0x5, IHardwareOpusDecoderManager, GetWorkBufferSizeEx),
         )
     };
 }