From a3572c4832f3a047dc1fdd4017cad2ff7ffeab9f Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Jukka=20Sepp=C3=A4nen?=
 <40791699+kijai@users.noreply.github.com>
Date: Mon, 27 Jul 2026 23:04:14 +0300
Subject: [PATCH] Allow using float fps for LTXVEmptyLatentAudio (#15106)

---
 comfy/ldm/lightricks/vae/audio_vae.py |  2 +-
 comfy_extras/nodes_lt_audio.py        | 21 ++++++++++++---------
 2 files changed, 13 insertions(+), 10 deletions(-)

diff --git a/comfy/ldm/lightricks/vae/audio_vae.py b/comfy/ldm/lightricks/vae/audio_vae.py
index dd5320c8f..b4a8c7524 100644
--- a/comfy/ldm/lightricks/vae/audio_vae.py
+++ b/comfy/ldm/lightricks/vae/audio_vae.py
@@ -185,7 +185,7 @@ class AudioVAE(torch.nn.Module):
             self.autoencoder.mel_bins,
         )
 
-    def num_of_latents_from_frames(self, frames_number: int, frame_rate: int) -> int:
+    def num_of_latents_from_frames(self, frames_number: int, frame_rate: float) -> int:
         return math.ceil((float(frames_number) / frame_rate) * self.latents_per_second)
 
     def run_vocoder(self, mel_spec: torch.Tensor) -> torch.Tensor:
diff --git a/comfy_extras/nodes_lt_audio.py b/comfy_extras/nodes_lt_audio.py
index 2d774a0a3..3ff18d8d4 100644
--- a/comfy_extras/nodes_lt_audio.py
+++ b/comfy_extras/nodes_lt_audio.py
@@ -107,14 +107,17 @@ class LTXVEmptyLatentAudio(io.ComfyNode):
                     display_mode=io.NumberDisplay.number,
                     tooltip="Number of frames.",
                 ),
-                io.Int.Input(
-                    "frame_rate",
-                    default=25,
-                    min=1,
-                    max=1000,
-                    step=1,
-                    display_mode=io.NumberDisplay.number,
-                    tooltip="Number of frames per second.",
+                io.MultiType.Input(
+                    io.Float.Input(
+                        "frame_rate",
+                        default=25.0,
+                        min=1.0,
+                        max=1000.0,
+                        step=0.01,
+                        display_mode=io.NumberDisplay.number,
+                        tooltip="Number of frames per second.",
+                    ),
+                    [io.Int],
                 ),
                 io.Int.Input(
                     "batch_size",
@@ -137,7 +140,7 @@ class LTXVEmptyLatentAudio(io.ComfyNode):
     def execute(
         cls,
         frames_number: int,
-        frame_rate: int,
+        frame_rate: float,
         batch_size: int,
         audio_vae,
     ) -> io.NodeOutput: