Sonifex PS-SEND Audio to IP Streaming Encoder

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The PS-SEND is a freestanding audio to IP converter which is also available in a 1U rack-mount as the PS-SENDS. It receives audio from a number of user selectable external stereo sources including balanced and unbalanced analogue audio, AES/EBU, S/PDIF & TOSlink digital audio. Once an audio source is selected, the unit encodes the audio in real time and sends it to the network as an encoded stream. The audio stream can be distributed over an IP-based network to one or more PS-PLAY or PS-AMP units or other proprietary servers such as those for Icecast or Shoutcast.

All the configuration settings for the unit are accessed via a local web-server built into it. The type of encoding and the transport mechanism are defined by selecting the connection from a pre-defined list. The PS-SEND encodes an audio source into an MP3 (from analogue or digital inputs), G.711 or PCM (from analogue inputs only) audio stream using HTTP, RTP, raw UDP or raw TCP protocols, including multicast support and the following encoder types are available: Mpeg1 & 2 Layer3, PM3 VBR (variable bit-rate), PCM linear and A-law, U-law, with 8kHz-48kHz sample rates . The unit can configure its own IP address using DHCP/BOOTP, IPzator or AutoIP. A readout of the set IP address can be heard on every reset using SONICIP technology, if selected. Remote level monitoring is also possible using SNMP traps.

Two red and green front panel LEDs indicate what state the unit is currently in, be it normal operational mode or bootstrap mode, and also indicates the current network connection status. A blue LED denotes power to the unit. The input being routed to the IP stream can be monitored on the front panel ¼” (6.35mm) stereo jack socket in combination with a headphone volume knob.

The rear panel has 2 x RJ45 connectors, one for the 10/100Mbit Ethernet interface and one for GPI connections. The PS-SEND has 6 x GPIs which can be used to trigger the sending of the audio stream and which can also be used to trigger remote events using an output relay on the PS-PLAY and PS-AMP. There is a 9 way D-type RS232 serial connection for control of the unit by automation systems and firmware updates. The unit can be remote controlled via serial connection, TCP or UDP.

Power to the unit is via a universal supply 85V - 264V fused IEC mains socket.

Techincal Specification
Analogue Inputs:	2 x XLR 3 pin (balanced)( L&R)
	2 x RCA phono (unbalanced)( L&R)
Analogue Max Input Level:	18dBu XLR balanced
	8dBu RCA phono unbalanced
Analogue Balanced Input Impedance:	20kΩ
Analogue Input SNR:	74dB
Input THD:	0.02% Relative
Interchannel Isolation (Cross Talk):	80dB (Ref FSD)
Digital Inputs:	1 x AES/EBU XLR 3 pin female
	1 x S/PDIF RCA phono
	1 x TOSLink optical input
Analogue Outputs:	1 x ¼ inch jack headphone socket
Headphones Output:	Drives 150mW into 32Ω to 600kΩ stereo headphones
GPIs (General Purpose Inputs):	6 x GPIs, selectable via webpage control on RJ45 socket
Serial Port:	1 x 9 way D-type socket, used to send control commands and update firmware
Ethernet Port:	1 x RJ45 socket. Remote control commands can be sent via TCP or UDP as well as firmware updates.
Mains Input:	Filtered IEC, 85 - 264VAC, 47 - 63 Hz,10W, max
Fuse Rating:	Anti-surge fuse 1A 20 x 5mm
Audio Codec Specifications
Encoder	G.711 (U Law/A Law 8kHz to 48kHz sampling rate)
	WAV (IMA ADPCM+ 16bit PCM uncompressed: 8kHz to 48kHz)
	MP3 Layer 1 (32, 44.1 and 48 kHz, CBR +VBR +ABR)
	MP3 Layer 2 (16, 22.05 and 24 kHz, CBR +VBR +ABR)
Supported Network Transport Protocols	RTP - UDP
	HTTP - TCP
	SIP
	Raw UDP
	Raw TCP
	Can also act as Icecast/Shoutcast source
	SNMP - traps for remote management
	DHCP, BOOTP, IPZator or AUTOIP - Dynamic IP address resolution
	SonicIP IP Address readout
Physical Specification
PS-SEND Dimensions (Raw):	22cm (W) x 13.7cm (D) x 4.3cm (H)
	8.67” (W) x 5.39” (D) x 1.7” (H)
PS-SEND Dimensions (Boxed):	34cm (W) x 27cm (D) x 6cm (H)
	13.4” (W) x 10.6” (D) x 2.4” (H)
PS-SEND Weight:	Nett: 0.84kg Gross: 1.64kg
	Nett: 1.85lbs Gross: 3.6lbs
PS-SENDS Dimensions (Raw):	48.3cm (W) x 13.7cm (D) x 4.3cm (H)
	19” (W) x 5.39” (D) x 1.7” (H)
PS-SENDS Dimensions (Boxed):	58.8cm (W) x 27cm (D) x 6.8cm (H)
	23” (W) x 10.6” (D) x 2.7” (H)
PS-SENDS Weight:	Nett: 1.34kg Gross: 2.14kg
	Nett: 2.95lbs Gross: 4.7lbs

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