Auracast transmitter & Bluetooth LE Audio

Auracast is an advanced audio broadcasting technology built on the Bluetooth LE Audio standard. It acts as a wireless transmitter, allowing a single audio source to broadcast sound to multiple compatible devices simultaneously. This makes it easy for users to share music, podcasts, or announcements with others. Auracast delivers high-quality, synchronized audio while remaining energy-efficient, making it ideal for personal listening, public venues, and accessibility solutions such as hearing aids. By simplifying wireless audio sharing, Auracast is redefining how people experience sound in everyday life.

Auracast uses the Bluetooth LE Audio standard to enable multiple devices to receive the same audio stream simultaneously. It employs a specialized audio coding system called LC3, which compresses sound efficiently while preserving clarity. The technology divides the audio into packets that can be transmitted to several receivers at once, allowing them to stay perfectly synchronized.

Additionally, Auracast leverages low-energy protocols to reduce power consumption, ensuring devices can maintain long listening sessions without frequent recharging.

Auracast offers a range of innovative features that enhance the wireless audio experience:

• Multi-device connectivity: Allows one audio source to connect with multiple compatible devices simultaneously.
• High-quality audio: Utilizes advanced codecs for clear, rich sound even at lower data rates.
• Low latency measurement: Ensures audio stays synchronized across devices, ideal for video, gaming, or live events.
• Energy efficiency: Designed to minimize power consumption, extending battery life for both transmitters and receivers.
• Accessibility support: Compatible with hearing aids and other assistive listening devices for inclusive audio experiences.
• Seamless sharing: Makes it easy to share audio in public spaces, from classrooms to airports, without complex pairing.

• Everyday listeners: Easily share music, podcasts, or videos with friends and family for a seamless group listening experience.
• Public spaces: Airports, gyms, stadiums, and museums can deliver announcements, audio guides, or background audio directly to visitors’ devices.
• Accessibility: Works with hearing aids and other assistive listening devices, providing clear, synchronized sound for individuals with hearing impairments.
• Community experiences: Enables shared audio experiences in classrooms, events, or transport systems without complex setup.
• Energy efficiency: Long-lasting battery performance ensures uninterrupted listening across devices for various user scenarios.

Connecting to Auracast is designed to be as simple as joining a Wi-Fi network. When an Auracast stream is available, compatible devices such as headphones, earbuds, or hearing aids can detect it automatically. In many cases, users will be able to browse and select available streams directly from their device settings or through a dedicated app provided by the manufacturer.

Once chosen, the device locks onto the stream instantly, delivering synchronized audio without the need for manual pairing codes. This straightforward process ensures that anyone can access shared audio in public venues, at home, or on the go.

Using Auracast is a straightforward process that allows users to join shared audio streams in just a few steps. First, ensure that your device—such as headphones, earbuds, or hearing aids—supports Bluetooth LE Audio and is Auracast-enabled. When you are in range of an active stream, your device will display the available options, similar to how Wi-Fi networks appear. You can then select the stream through your device settings or a companion app, and the audio will begin playing instantly. This makes it possible to enjoy private listening at home with a TV, follow public announcements in places like airports, or join group audio experiences in gyms, classrooms, or event venues.

Auracast is currently being introduced in several countries, with early adoption seen in the United States, parts of Europe, and Asia. Availability depends on when manufacturers release Auracast-enabled products in each market. Public locations such as airports, stadiums, and museums are starting to integrate Auracast into their audio systems, allowing visitors to tune in with personal devices.