An Internet radio device (IRD) is a hardware device that receives and plays audio from Internet radio stations or, optionally, a user's PC.

General information

The devices which are currently on the market mainly support the most common streaming format such as:

MP3 (MPEG1 Audio Layer 3) streaming,

Windows Media Audio (WMA) and ASF

Some other units also support these formats:

RealAudio,

Ogg

AAC

aacPlus

These devices typically have:

Broadband connection: an Ethernet and/or Wi-Fi network interface, with TCP/IP support for access to the Internet

USB port, where the user can connect an external MP3 player like iPod or external harddrive for MP3 files.

LCD display.

AUX port, that can be used to connect to a HiFi or similar audio device.

rechargable batteries for mobility with internal charger integrated.

Favorite streams & contents can be saved as presets.

Internet radio devices can be divided into several product categories:

Products which are mainly targeted at listening to music stored on a local network. These devices are typically called network music players. These devices are typically sold with server software in order to play the music from the network. Instances of such devices are the Slim Devices Squeezebox, Roku SoundBridge and the Philips Streamium WACS700 and SLA5520. Some of these devices also have the ability to listen to Internet radio stations. As these devices may not have an integrated loudspeaker, they need to be connected to an audio system in order to listen to the music.

Standalone products like the Squeezebox, Terratec Noxon iRadio, Grace Digital Audio Radio,SoundBridge Radio, Streamit or the Phoenix WiFi IP Radio devices which are targeted at users who do not want to be dependent on a computer (or computer knowledge) for their Internet radio listening. Most products include a dynamically updated stations list. There are variants of these devices with and without integrated speaker(s). The Streamit device offers dial-up capability.

Wireless Internet Radio and Media Players like Sonowave Internet Radio Player . Sonowave is a device made specifically for those who enjoy listening Internet Radio from their personal computer. SonoWave is a small portable radio that connects to a computer wirelessly, providing access to any music on the PC or to thousands of internet radio stations.

They typically support:

Playlist formats: M3U, PLS and ASX playlists formats.

Audio Stream Protocols: SHOUTcast and MMS / MMSH - Microsoft Media Streaming Protocol / over HTTP.

Internet Radio Receivers

Network music players:

Logitech Squeezebox

Roku SoundBridge

Sangean WFR-20

Grace Digital Audio IR-1000b

Portable receivers:

Revo Pico Wi-Fi

Torian InFusion

Kitchen receivers::

Intempo GX-01

Terratec Noxon iRadio

Tangent Quattro

Argon iNet

Streamit

Grace Digital Audio IR-1000b

A/V Receivers:

Logitech Transporter

Denon AVR-5805CI

Denon AVR-4308

Denon AVR-3808

Yamaha RX-V2700

Onkyo TX-NR905

Receivers database

Vtuner

Reciva