diff --git a/src/config.cpp b/src/config.cpp
index 1489786b..b1948638 100644
--- a/src/config.cpp
+++ b/src/config.cpp
@@ -939,6 +939,8 @@ namespace config {
     string_f(vars, "sw_tune", video.sw.sw_tune);
 
     int_between_f(vars, "nvenc_preset", video.nv.quality_preset, { 1, 7 });
+    int_between_f(vars, "nvenc_vbv_increase", video.nv.vbv_percentage_increase, { 0, 400 });
+    bool_f(vars, "nvenc_spatial_aq", video.nv.adaptive_quantization);
     generic_f(vars, "nvenc_twopass", video.nv.two_pass, nv::twopass_from_view);
     bool_f(vars, "nvenc_h264_cavlc", video.nv.h264_cavlc);
     bool_f(vars, "nvenc_realtime_hags", video.nv_realtime_hags);
diff --git a/src/nvenc/nvenc_base.cpp b/src/nvenc/nvenc_base.cpp
index f305f768..205a163d 100644
--- a/src/nvenc/nvenc_base.cpp
+++ b/src/nvenc/nvenc_base.cpp
@@ -222,6 +222,9 @@ namespace nvenc {
 
     if (get_encoder_cap(NV_ENC_CAPS_SUPPORT_CUSTOM_VBV_BUF_SIZE)) {
       enc_config.rcParams.vbvBufferSize = client_config.bitrate * 1000 / client_config.framerate;
+      if (config.vbv_percentage_increase > 0) {
+        enc_config.rcParams.vbvBufferSize += enc_config.rcParams.vbvBufferSize * config.vbv_percentage_increase / 100;
+      }
     }
 
     auto set_h264_hevc_common_format_config = [&](auto &format_config) {
@@ -369,9 +372,10 @@ namespace nvenc {
       if (init_params.enableEncodeAsync) extra += " async";
       if (buffer_is_10bit()) extra += " 10-bit";
       if (enc_config.rcParams.multiPass != NV_ENC_MULTI_PASS_DISABLED) extra += " two-pass";
+      if (config.vbv_percentage_increase > 0 && get_encoder_cap(NV_ENC_CAPS_SUPPORT_CUSTOM_VBV_BUF_SIZE)) extra += " vbv+" + std::to_string(config.vbv_percentage_increase);
       if (encoder_params.rfi) extra += " rfi";
       if (init_params.enableWeightedPrediction) extra += " weighted-prediction";
-      if (enc_config.rcParams.enableAQ) extra += " adaptive-quantization";
+      if (enc_config.rcParams.enableAQ) extra += " spatial-aq";
       if (enc_config.rcParams.enableMinQP) extra += " qpmin=" + std::to_string(enc_config.rcParams.minQP.qpInterP);
       if (config.insert_filler_data) extra += " filler-data";
       BOOST_LOG(info) << "NvEnc: created encoder " << quality_preset_string_from_guid(init_params.presetGUID) << extra;
diff --git a/src/nvenc/nvenc_config.h b/src/nvenc/nvenc_config.h
index 632146b7..c4aae12a 100644
--- a/src/nvenc/nvenc_config.h
+++ b/src/nvenc/nvenc_config.h
@@ -20,6 +20,9 @@ namespace nvenc {
     // Use optional preliminary pass for better motion vectors, bitrate distribution and stricter VBV(HRD), uses CUDA cores
     nvenc_two_pass two_pass = nvenc_two_pass::quarter_resolution;
 
+    // Percentage increase of VBV/HRD from the default single frame, allows low-latency variable bitrate
+    int vbv_percentage_increase = 0;
+
     // Improves fades compression, uses CUDA cores
     bool weighted_prediction = false;