diff --git a/apps/auracast.py b/apps/auracast.py
index 6e591eb..d96e021 100644
--- a/apps/auracast.py
+++ b/apps/auracast.py
@@ -495,6 +495,10 @@ async def run_assist(
                 print(color('Scanning for any broadcast', 'cyan'))
             broadcast = await find_broadcast_by_name(device, broadcast_name)
 
+            if broadcast.broadcast_audio_announcement is None:
+                print(color('No broadcast audio announcement found', 'red'))
+                return
+
             if (
                 broadcast.basic_audio_announcement is None
                 or not broadcast.basic_audio_announcement.subgroups
diff --git a/apps/lea_unicast/app.py b/apps/lea_unicast/app.py
index b1f2b3d..5885dab 100644
--- a/apps/lea_unicast/app.py
+++ b/apps/lea_unicast/app.py
@@ -484,7 +484,7 @@ class Speaker:
                 )
             ) + bytes(bap.UnicastServerAdvertisingData())
 
-            def on_pdu(pdu: HCI_IsoDataPacket, ase: bap.AseStateMachine):
+            def on_pdu(pdu: HCI_IsoDataPacket, ase: ascs.AseStateMachine):
                 codec_config = ase.codec_specific_configuration
                 assert isinstance(codec_config, bap.CodecSpecificConfiguration)
                 pcm = decode(
@@ -494,7 +494,7 @@ class Speaker:
                 )
                 self.device.abort_on('disconnection', self.ui_server.send_audio(pcm))
 
-            def on_ase_state_change(ase: bap.AseStateMachine) -> None:
+            def on_ase_state_change(ase: ascs.AseStateMachine) -> None:
                 if ase.state == ascs.AseStateMachine.State.STREAMING:
                     codec_config = ase.codec_specific_configuration
                     assert isinstance(codec_config, bap.CodecSpecificConfiguration)
diff --git a/bumble/device.py b/bumble/device.py
index b60f296..b04f5dd 100644
--- a/bumble/device.py
+++ b/bumble/device.py
@@ -988,7 +988,8 @@ class PeriodicAdvertisingSync(EventEmitter):
             self.device.periodic_advertising_syncs.remove(self)
 
     async def transfer(self, connection: Connection, service_data: int = 0) -> None:
-        await connection.transfer_periodic_sync(self.sync_handle, service_data)
+        if self.sync_handle is not None:
+            await connection.transfer_periodic_sync(self.sync_handle, service_data)
 
     def on_establishment(
         self,
@@ -3606,7 +3607,8 @@ class Device(CompositeEventEmitter):
                 connection_handle=connection.handle,
                 service_data=service_data,
                 sync_handle=sync_handle,
-            ), check_result=True
+            ),
+            check_result=True,
         )
 
     async def find_peer_by_name(self, name, transport=BT_LE_TRANSPORT):
@@ -3837,6 +3839,7 @@ class Device(CompositeEventEmitter):
                 if self.keystore is None:
                     raise InvalidOperationError('no key store')
 
+                logger.debug(f'Looking up key for {connection.peer_address}')
                 keys = await self.keystore.get(str(connection.peer_address))
                 if keys is None:
                     raise InvalidOperationError('keys not found in key store')
@@ -4315,6 +4318,12 @@ class Device(CompositeEventEmitter):
         role: int,
         connection_parameters: ConnectionParameters,
     ) -> None:
+        # Convert all-zeros addresses into None.
+        if self_resolvable_address == Address.ANY_RANDOM:
+            self_resolvable_address = None
+        if peer_resolvable_address == Address.ANY_RANDOM:
+            peer_resolvable_address = None
+
         logger.debug(
             f'*** Connection: [0x{connection_handle:04X}] '
             f'{peer_address} {"" if role is None else HCI_Constant.role_name(role)}'
@@ -4374,12 +4383,6 @@ class Device(CompositeEventEmitter):
                 else self.random_address
             )
 
-        # Convert all-zeros addresses into None.
-        if self_resolvable_address == Address.ANY_RANDOM:
-            self_resolvable_address = None
-        if peer_resolvable_address == Address.ANY_RANDOM:
-            peer_resolvable_address = None
-
         # Create a connection.
         connection = Connection(
             self,
diff --git a/bumble/profiles/ascs.py b/bumble/profiles/ascs.py
index 98b4b8b..35f4594 100644
--- a/bumble/profiles/ascs.py
+++ b/bumble/profiles/ascs.py
@@ -24,6 +24,7 @@ from typing import Any, Dict, List, Optional, Sequence, Tuple, Type, Union
 
 from bumble import colors
 from bumble.profiles.bap import CodecSpecificConfiguration
+from bumble.profiles import le_audio
 from bumble import device
 from bumble import gatt
 from bumble import gatt_client
@@ -299,8 +300,7 @@ class AseStateMachine(gatt.Characteristic):
     presentation_delay = 0
 
     # Additional parameters in ENABLING, STREAMING, DISABLING State
-    # TODO: Parse this
-    metadata = b''
+    metadata = le_audio.Metadata()
 
     def __init__(
         self,
@@ -447,7 +447,7 @@ class AseStateMachine(gatt.Characteristic):
                 AseReasonCode.NONE,
             )
 
-        self.metadata = metadata
+        self.metadata = le_audio.Metadata.from_bytes(metadata)
         self.state = self.State.ENABLING
 
         return (AseResponseCode.SUCCESS, AseReasonCode.NONE)
@@ -499,7 +499,7 @@ class AseStateMachine(gatt.Characteristic):
                 AseResponseCode.INVALID_ASE_STATE_MACHINE_TRANSITION,
                 AseReasonCode.NONE,
             )
-        self.metadata = metadata
+        self.metadata = le_audio.Metadata.from_bytes(metadata)
         return (AseResponseCode.SUCCESS, AseReasonCode.NONE)
 
     def on_release(self) -> Tuple[AseResponseCode, AseReasonCode]:
@@ -576,8 +576,9 @@ class AseStateMachine(gatt.Characteristic):
             self.State.STREAMING,
             self.State.DISABLING,
         ):
+            metadata_bytes = bytes(self.metadata)
             additional_parameters = (
-                bytes([self.cig_id, self.cis_id, len(self.metadata)]) + self.metadata
+                bytes([self.cig_id, self.cis_id, len(metadata_bytes)]) + metadata_bytes
             )
         else:
             additional_parameters = b''
diff --git a/bumble/profiles/pacs.py b/bumble/profiles/pacs.py
index b36477d..adab088 100644
--- a/bumble/profiles/pacs.py
+++ b/bumble/profiles/pacs.py
@@ -23,6 +23,7 @@ import struct
 from typing import Optional, Sequence, Union
 
 from bumble.profiles.bap import AudioLocation, CodecSpecificCapabilities, ContextType
+from bumble.profiles import le_audio
 from bumble import gatt
 from bumble import gatt_client
 from bumble import hci
@@ -37,10 +38,11 @@ logger = logging.getLogger(__name__)
 # -----------------------------------------------------------------------------
 @dataclasses.dataclass
 class PacRecord:
+    '''Published Audio Capabilities Service, Table 3.2/3.4.'''
+
     coding_format: hci.CodingFormat
     codec_specific_capabilities: Union[CodecSpecificCapabilities, bytes]
-    # TODO: Parse Metadata
-    metadata: bytes = b''
+    metadata: le_audio.Metadata = dataclasses.field(default_factory=le_audio.Metadata)
 
     @classmethod
     def from_bytes(cls, data: bytes) -> PacRecord:
@@ -53,7 +55,8 @@ class PacRecord:
         ]
         offset += codec_specific_capabilities_size
         metadata_size = data[offset]
-        metadata = data[offset : offset + metadata_size]
+        offset += 1
+        metadata = le_audio.Metadata.from_bytes(data[offset : offset + metadata_size])
 
         codec_specific_capabilities: Union[CodecSpecificCapabilities, bytes]
         if coding_format.codec_id == hci.CodecID.VENDOR_SPECIFIC:
@@ -71,12 +74,13 @@ class PacRecord:
 
     def __bytes__(self) -> bytes:
         capabilities_bytes = bytes(self.codec_specific_capabilities)
+        metadata_bytes = bytes(self.metadata)
         return (
             bytes(self.coding_format)
             + bytes([len(capabilities_bytes)])
             + capabilities_bytes
-            + bytes([len(self.metadata)])
-            + self.metadata
+            + bytes([len(metadata_bytes)])
+            + metadata_bytes
         )
 
 
diff --git a/examples/run_mcp_client.py b/examples/run_mcp_client.py
index f0c8162..83dad5b 100644
--- a/examples/run_mcp_client.py
+++ b/examples/run_mcp_client.py
@@ -35,15 +35,13 @@ from bumble.hci import (
     CodingFormat,
     OwnAddressType,
 )
+from bumble.profiles.ascs import AudioStreamControlService
 from bumble.profiles.bap import (
     CodecSpecificCapabilities,
     ContextType,
     AudioLocation,
     SupportedSamplingFrequency,
     SupportedFrameDuration,
-    PacRecord,
-    PublishedAudioCapabilitiesService,
-    AudioStreamControlService,
     UnicastServerAdvertisingData,
 )
 from bumble.profiles.mcp import (
@@ -52,7 +50,7 @@ from bumble.profiles.mcp import (
     MediaState,
     MediaControlPointOpcode,
 )
-
+from bumble.profiles.pacs import PacRecord, PublishedAudioCapabilitiesService
 from bumble.transport import open_transport_or_link
 
 from typing import Optional
diff --git a/examples/run_unicast_server.py b/examples/run_unicast_server.py
index 95ae551..3ff1c96 100644
--- a/examples/run_unicast_server.py
+++ b/examples/run_unicast_server.py
@@ -34,8 +34,8 @@ from bumble.hci import (
     CodingFormat,
     HCI_IsoDataPacket,
 )
+from bumble.profiles.ascs import AseStateMachine, AudioStreamControlService
 from bumble.profiles.bap import (
-    AseStateMachine,
     UnicastServerAdvertisingData,
     CodecSpecificConfiguration,
     CodecSpecificCapabilities,
@@ -43,13 +43,10 @@ from bumble.profiles.bap import (
     AudioLocation,
     SupportedSamplingFrequency,
     SupportedFrameDuration,
-    PacRecord,
-    PublishedAudioCapabilitiesService,
-    AudioStreamControlService,
 )
 from bumble.profiles.cap import CommonAudioServiceService
 from bumble.profiles.csip import CoordinatedSetIdentificationService, SirkType
-
+from bumble.profiles.pacs import PacRecord, PublishedAudioCapabilitiesService
 from bumble.transport import open_transport_or_link
 
 
diff --git a/examples/run_vcp_renderer.py b/examples/run_vcp_renderer.py
index 0cffbae..ba9c840 100644
--- a/examples/run_vcp_renderer.py
+++ b/examples/run_vcp_renderer.py
@@ -30,6 +30,7 @@ from bumble.hci import (
     CodingFormat,
     OwnAddressType,
 )
+from bumble.profiles.ascs import AudioStreamControlService
 from bumble.profiles.bap import (
     UnicastServerAdvertisingData,
     CodecSpecificCapabilities,
@@ -37,10 +38,8 @@ from bumble.profiles.bap import (
     AudioLocation,
     SupportedSamplingFrequency,
     SupportedFrameDuration,
-    PacRecord,
-    PublishedAudioCapabilitiesService,
-    AudioStreamControlService,
 )
+from bumble.profiles.pacs import PacRecord, PublishedAudioCapabilitiesService
 from bumble.profiles.cap import CommonAudioServiceService
 from bumble.profiles.csip import CoordinatedSetIdentificationService, SirkType
 from bumble.profiles.vcp import VolumeControlService
diff --git a/tests/bass_test.py b/tests/bass_test.py
index 4cf7ec4..b893555 100644
--- a/tests/bass_test.py
+++ b/tests/bass_test.py
@@ -99,6 +99,7 @@ def test_operations() -> None:
 def basic_broadcast_receive_state_check(brs: bass.BroadcastReceiveState) -> None:
     serialized = bytes(brs)
     parsed = bass.BroadcastReceiveState.from_bytes(serialized)
+    assert parsed is not None
     assert bytes(parsed) == serialized