fix(typos): fixing typos and missing imports

src/lerobot/async_inference/robot_client.py

@@ -47,6 +47,7 @@ import torch
 
 from lerobot.cameras.opencv.configuration_opencv import OpenCVCameraConfig  # noqa: F401
 from lerobot.cameras.realsense.configuration_realsense import RealSenseCameraConfig  # noqa: F401
+from lerobot.microphones.portaudio.configuration_portaudio import PortAudioMicrophoneConfig  # noqa: F401
 from lerobot.processor import RobotAction
 from lerobot.robots import (  # noqa: F401
     Robot,

src/lerobot/datasets/utils.py

@@ -685,12 +685,12 @@ def hw_to_dataset_features(
             "names": ["height", "width", "channels"],
         }
 
-    for key, features in mic_fts.items():
+    for key, parameters in mic_fts.items():
         features[f"{prefix}.audio.{key}"] = {
             "dtype": "audio",
-            "shape": (features[1],),
+            "shape": (len(parameters[1]),),
             "names": ["channels"],
-            "info": {"sample_rate": features[0]},
+            "info": {"sample_rate": parameters[0]},
         }
 
     _validate_feature_names(features)
@@ -1168,7 +1168,9 @@ def validate_feature_audio(name: str, expected_shape: list[str], value: np.ndarr
     if isinstance(value, np.ndarray):
         actual_shape = value.shape
         c = expected_shape
-        if len(actual_shape) != 2 or actual_shape[-1] != c[-1]:  # The number of frames might be different
+        if (len(actual_shape) != 2 and len(actual_shape) != 1) or actual_shape[-1] != c[
+            -1
+        ]:  # The number of frames might be different
             error_message += (
                 f"The feature '{name}' of shape '{actual_shape}' does not have the expected shape '{c}'.\n"
             )

src/lerobot/scripts/lerobot_calibrate.py

@@ -33,6 +33,7 @@ import draccus
 
 from lerobot.cameras.opencv.configuration_opencv import OpenCVCameraConfig  # noqa: F401
 from lerobot.cameras.realsense.configuration_realsense import RealSenseCameraConfig  # noqa: F401
+from lerobot.microphones.portaudio.configuration_portaudio import PortAudioMicrophoneConfig  # noqa: F401
 from lerobot.robots import (  # noqa: F401
     Robot,
     RobotConfig,

src/lerobot/scripts/lerobot_record.py

@@ -91,6 +91,10 @@ from lerobot.datasets.utils import (
     combine_feature_dicts,
 )
 from lerobot.datasets.video_utils import VideoEncodingManager
+from lerobot.microphones import (
+    MicrophoneConfig,  # noqa: F401
+)
+from lerobot.microphones.portaudio.configuration_portaudio import PortAudioMicrophoneConfig  # noqa: F401
 from lerobot.microphones.utils import (
     async_microphones_start_recording,
     async_microphones_stop_recording,
@@ -344,14 +348,15 @@ def record_loop(
     if (
         dataset is not None and robot.name != "lekiwi"
     ):  # For now, LeKiwi only supports frame audio recording (which may lead to audio chunks loss, extended post-processing, increased memory usage)
-        for microphone_key, microphone in robot.microphones.items():
-            dataset.add_microphone_recording(microphone, microphone_key)
+        dataset.add_microphones_recordings(robot.microphones)
     else:
         async_microphones_start_recording(robot.microphones)
 
     # Fill audio buffers if needed
     if robot.microphones and (policy is not None or dataset is not None):
-        # This initial wait might be longer than the audio chunk duration to (1) ensure that the audio buffers are filled with enough data and (2) add additional initial samples to the dataset in case of variable audio chubk duration during training.
+        # This initial wait might be longer than the audio chunk duration to
+        # (1) ensure that the audio buffers are filled with enough data
+        # (2) add additional initial samples to the dataset in case of variable audio chunk duration during training
         busy_wait(DEFAULT_INITIAL_AUDIO_BUFFER_DURATION)
 
         for microphone_name, microphone in robot.microphones.items():

src/lerobot/scripts/lerobot_teleoperate.py

@@ -61,6 +61,7 @@ import rerun as rr
 from lerobot.cameras.opencv.configuration_opencv import OpenCVCameraConfig  # noqa: F401
 from lerobot.cameras.realsense.configuration_realsense import RealSenseCameraConfig  # noqa: F401
 from lerobot.configs import parser
+from lerobot.microphones.portaudio.configuration_portaudio import PortAudioMicrophoneConfig  # noqa: F401
 from lerobot.processor import (
     RobotAction,
     RobotObservation,