Coaxial Digital Cable
2023-06-20
Coaxial Digital Cable
Coaxial cable is the most commonly used wire for RCA connectors, and 75Ω coaxial cable is also the wire used for S/PDIF digital signals. RCA is commonly known as lotus head in China (because some types of RCA connectors look like lotus petals), such connectors are composed of two joints, Positive (+) and Ground (Sleeve), using coaxial cable connection, often used in general home audio equipment.
Firewire cable
IEEE 1394, also known as Firewire, is a high-speed transmission interface developed by the development consortium led by Apple, IEEE 1394 can theoretically connect 64 devices in series on the same network. Transmission speed has 100Mbit/s, 200Mbit/s, 400Mbit/s and 800Mbit/s several, has developed 1.6 Gbit/s and 3.2 Gbit/s specifications. General Apple devices come with this interface
LAN twisted pair
EIA/TIA has defined five different quality types for twisted pair cables. Integrated computer network cabling uses Category 3, 4 and 5. Category 5 wire is the wire we often use, and has a higher attenuation to crosstalk ratio (ACR) and signal-to-noise ratio (Structural Return Loss), smaller time delay, and greatly improved performance. Transmission frequency of 100MHz, used for voice transmission and data transmission at a maximum rate of 100Mbps, mainly for 100BASE-T and 10BASE-T networks, which is the most commonly used Ethernet cable.
I2S cable
I2S (Inter-IC Sound or Integrated Interchip Sound) is an interface standard for transmitting digital audio data between ICs, using a serial approach to transmit two sets (left and right channels) of data. i2S is often used to transmit PCM audio data from a CD to the DAC of a CD player. Because I2S transmits the data signal and the clock signal separately, it has very little jitter distortion. The transfer speed is typically 1.536MBit/s for DAT 48kHz/16bit and 4.608MBit/s for SACD 96kHz/24bit.
HDMI cable
Focus on this cable I believe I do not need to introduce more, HDMI is a fully digital video and sound transmission interface that can transmit uncompressed audio signals and video signals. HDMI can be used for set-top boxes, DVD players, personal computers, television touring instruments, integrated amplifiers, digital audio and television sets. HDMI can transmit both audio and video signals, as audio and video signals using the same HDMI also supports uncompressed 8-channel digital audio transmission (sample rate 192kHz, data length 24bits/sample), as well as any compressed audio streams such as Dolby Digital or DTS, and also supports 8-channel 1bit DSD signals used by SACD. In the HDMI 1.3 specification, ultra-high-data-weight uncompressed audio streams such as Dolby TrueHD and DTS-HD are added to support.
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