OCEAN-ACCESSORIES


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The OCEAN main Printed Circuit Boards, such as the OCEAN-ADSP21489-0808HC and OCEAN-ADSP21489-1204HC provide the processing horse power and the interface to the analog to digital and digital to analog converters, but leave the analog connections at terminating headers. Some audio connectors are needed to connect audio sources and sinks to the PCB. Several accessory boards are available for this purpose as listed below.



The OCEAN-08IO-RCA

OCEAN-08IO-RCA
The OCEAN-08IO-RCA is 34mm x 59.75mm and includes 8 single channel (mono) female RCA (also known as phono or cinch connectors). It is designed to plug into the OCEAN-ADSP21489-0808HC or OCEAN-ADSP21489-1204HC analog input or analog output headers. When used as input, it allows connecting external audio input signals (from external microphones for instance) to be processed on the OCEAN platform. And when used as output, it allows connecting the processed audio signals to loudspeakers or mixers using industry standard RCA connectors.



The OCEAN-08IO-JACK

OCEAN-08IO-JACK
The OCEAN-08IO-JACK is 34mm x 59.75mm and includes 8 single channel (mono) female 3.5mm audio jacks. It is designed to plug into the OCEAN-ADSP21489-0808HC or OCEAN-ADSP21489-1204HC analog input or analog output headers. When used as input, it allows connecting external audio input signals (from external microphones for instance) to be processed on the OCEAN platform. And when used as output, it allows connecting the processed audio signals to loudspeakers or mixers using industry standard 3.5mm mono jacks.



The OCEAN-08IO-TB

OCEAN-08IO-TB
The OCEAN-08IO-TB is 37mm x 59.75mm and includes 8x fully balanced 3.5mm terminal blocks. It is designed to plug into the OCEAN-ADSP21489-0808HC or OCEAN-ADSP21489-1204HC analog input or analog output headers. When used as input, it allows connecting external audio input signals (from external microphones for instance) to be processed on the OCEAN platform. And when used as output, it allows connecting the processed audio signals to loudspeakers or mixers. The OCEAN-08IO-TB allow fully balanced input and output, which can not be achieved using RCA or JACK connectors, and therefore recommended for professional and installed audio system that require balanced input and/or outputs.



The OCEAN-03-MIC-LEFT/RIGHT

OCEAN-03-MIC-LEFT/RIGHT
Each of the OCEAN-03-MIC-LEFT and OCEAN-03-MIC-RIGHT is 9.5mm x 127.5 mm and includes 3 Knowles SPW2430 MEMS microphones. Those thin and long PCBs plugs directly into the OCEAN-ADSP21489-0808HC or OCEAN-ADSP21489-1204HC differential analog input header. When both the OCEAN-03-MIC-LEFT and the OCEAN-03-MIC-RIGHT are plugged, the OCEAN platform is extended with 6-element linear microphone array with the microphones placed 5 cm apart; making a linear array of 25 cm total length.



The OCEAN-04-MIC-LEFT/RIGHT

OCEAN-04-MIC-LEFT/RIGHT
Each of the OCEAN-04-MIC-LEFT and OCEAN-04-MIC-RIGHT is 9.5mm x 177.5 mm and includes 4 Knowles SPW2430 MEMS microphones. Those thin and long PCBs plugs directly into the OCEAN-ADSP21489-1204HC differential analog input header. When both the OCEAN-04-MIC-LEFT and the OCEAN-04-MIC-RIGHT are plugged, the OCEAN platform is extended with 8-element linear microphone array with the microphones placed 5 cm apart; making a linear array of 35 cm total length. .



The OCEAN-05-MIC-LEFT/RIGHT

OCEAN-05-MIC-LEFT/RIGHT
Each of the OCEAN-05-MIC-LEFT and OCEAN-05-MIC-RIGHT is 9.5mm x 227.5 mm and includes 5 Knowles SPW2430 MEMS microphones. Those thin and long PCBs plugs directly into the OCEAN-ADSP21489-1204HC differential analog input header. When both the OCEAN-05-MIC-LEFT and the OCEAN-05-MIC-RIGHT are plugged, the OCEAN platform is extended with 10-element linear microphone array with the microphones placed 5 cm apart; making a linear array of 45 cm total length.



The OCEAN-01-MIC

OCEAN-01-MIC
The OCEAN-01-MIC is a tiny 9mm x 14mm PCB that includes one Knowles SPW2430 MEMS microphone. It is designed to be connected with wires to an IDC connector compatible with the OCEAN-ADSP21489-0808HC and OCEAN-ADSP21489-1204HC differential analog input header. 6, 8, or 10 OCEAN-01-MIC PCBs can be easily mounted on a frame using the 1.5mm holes to form any arbitrary microphone array shape (circular, hexagonal, conical, spherical, etc) to replace the linear arrays listed above.