diff --git a/vall_e.cpp/vall_e.cpp b/vall_e.cpp/vall_e.cpp
index 4389c52..81f8336 100644
--- a/vall_e.cpp/vall_e.cpp
+++ b/vall_e.cpp/vall_e.cpp
@@ -601,7 +601,7 @@ std::vector<token_t> VALL_E_API generate( vall_e_context_t* ctx, vall_e_inputs_t
 				is_masked[idx] = true;
 			}
 
-			if ( verbose ) print_tokens( output_tokens, "Masked tokens: " );
+			if ( verbose ) print_tokens( output_tokens, std::string("[")+std::to_string(step)+"/"+std::to_string(steps)+"] Masked tokens: " );
 
 			// update batch
 			// to-do: only update the embeddings instead
@@ -666,7 +666,7 @@ std::vector<token_t> VALL_E_API generate( vall_e_context_t* ctx, vall_e_inputs_t
 
 			llama_sampler_free(smpl);
 
-			if ( verbose ) print_tokens( output_tokens );
+			if ( verbose ) print_tokens( output_tokens, std::string("[")+std::to_string(step)+"/"+std::to_string(steps)+"]: " );
 		}
 	} else if ( mode == INFERENCE_MODE_NAR ) {
 		// to-do: assert n_outputs == inputs.resp[rvq_l-1].size()
@@ -840,7 +840,7 @@ bool VALL_E_API vall_e_args_parse( int argc, char** argv, vall_e_context_params_
 		} else if (arg == "-ms" || arg == "--max-steps") {
 			args.max_steps = std::stoi(argv[++i]);
 		} else if (arg == "-md" || arg == "--max-duration") {
-			args.max_duration = std::stoi(argv[++i]);
+			args.max_duration = std::stoi(argv[++i]) * ENCODEC_FRAMES_PER_SECOND;
 		} else if (arg == "-i" || arg == "--input") {
 			args.prompt_path = argv[++i];
 		} else if (arg == "-o" || arg == "--output") {
diff --git a/vall_e.cpp/vall_e.h b/vall_e.cpp/vall_e.h
index 55403f2..5fae805 100644
--- a/vall_e.cpp/vall_e.h
+++ b/vall_e.cpp/vall_e.h
@@ -34,7 +34,8 @@ const int INFERENCE_MODE_NAR = 3;
 const int MODALITY_AR_NAR = 0;
 const int MODALITY_NAR_LEN = 1;
 
-const int MAX_DURATION = 75 * 12;
+const int ENCODEC_FRAMES_PER_SECOND = 75;
+const int MAX_DURATION = ENCODEC_FRAMES_PER_SECOND * 12;
 const int CTX_SIZE = 2048;
 const int N_THREADS = 8;
 const int N_GPU_LAYERS = 99;
@@ -100,7 +101,7 @@ struct vall_e_args_t {
 	std::string language = "en";
 	int modality = MODALITY_NAR_LEN;
 	int max_steps = 30;
-	int max_duration = 75 * 12;
+	int max_duration = MAX_DURATION;
 };
 // stores everything needed for vall_e.cpp
 struct vall_e_context_t {