The audio optical transceiver is an audio equipment in which the transmitting end converts the conventional audio analog signal into an optical signal, transmits the optical fiber to the receiving end, and then converts the analog audio signal at the receiving end.
Audio Optical Features:
Digital uncompressed transmission â— Video adopts 8-bit digital coding â— Color image signal â— High-quality real-time transmission â— 10Hz-24kHz audio and audio width â— Fully compatible with NTSC, PAL, SECAM system image â— Can transmit RS232, RS485, RS422 standard data â— Simultaneously â— Ethernet signal transmission indicator can help make a quick diagnosis â— high reliability under all outdoor conditions for system failure support network management functions â— â— easy to install, no need to adjust a few important indicator <br> <br> Optical audio
1, the bit rate. 16bits20bits24bits, the higher the bit rate, the more subtle changes in the sound can be reflected.
2, sampling accuracy. 48K96K (CD sampling accuracy of 44.1KHz / s), professional audio optical transceivers generally use 48K sampling, 96K is a future direction.
3, signal to noise ratio. That is, we usually say the dynamic range, the unit is DB, the relationship between dynamic range and bit rate is: For each bit increase in bit rate, the dynamic range increases by 6dB. At 16 bits, the dynamic range is 96 dB. This can meet the general needs, 24 bits can achieve a dynamic range of 144dB, is a fever level. Therefore, the current professional optical transceiver indicators can be summarized as: 24-bit 48K sampling 90DB.
The audio optical transceiver is divided into 1 to N channels of audio or plus 1 channel of control data, but also pay attention to mono/dual (and stereo), unidirectional/bidirectional, balanced output/unbalanced output details in the audio.
Audio Optical Features:
Digital uncompressed transmission â— Video adopts 8-bit digital coding â— Color image signal â— High-quality real-time transmission â— 10Hz-24kHz audio and audio width â— Fully compatible with NTSC, PAL, SECAM system image â— Can transmit RS232, RS485, RS422 standard data â— Simultaneously â— Ethernet signal transmission indicator can help make a quick diagnosis â— high reliability under all outdoor conditions for system failure support network management functions â— â— easy to install, no need to adjust a few important indicator <br> <br> Optical audio
1, the bit rate. 16bits20bits24bits, the higher the bit rate, the more subtle changes in the sound can be reflected.
2, sampling accuracy. 48K96K (CD sampling accuracy of 44.1KHz / s), professional audio optical transceivers generally use 48K sampling, 96K is a future direction.
3, signal to noise ratio. That is, we usually say the dynamic range, the unit is DB, the relationship between dynamic range and bit rate is: For each bit increase in bit rate, the dynamic range increases by 6dB. At 16 bits, the dynamic range is 96 dB. This can meet the general needs, 24 bits can achieve a dynamic range of 144dB, is a fever level. Therefore, the current professional optical transceiver indicators can be summarized as: 24-bit 48K sampling 90DB.
The audio optical transceiver is divided into 1 to N channels of audio or plus 1 channel of control data, but also pay attention to mono/dual (and stereo), unidirectional/bidirectional, balanced output/unbalanced output details in the audio.
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