What is Digital Coaxial Input?

Digital coaxial input is a type of audio connection that utilizes a coaxial cable with RCA-type connectors to transmit digital audio signals between devices such as DVD players, CD players, and audio/video receivers. This article will provide a comprehensive understanding of digital coaxial input, including its definition, cable type, audio format, compatibility, and conversion options.

Definition

Digital coaxial input refers to a connection that enables the transmission of digital audio signals through a coaxial cable. This type of input is commonly found in audio and video devices that support digital audio playback.

Source: Sony Support

Cable Type

The digital coaxial cable used for this connection is specifically designed to handle the wider frequency bandwidth of the digital audio bitstream. It is typically constructed with RCA-type connectors and has an impedance of 75 ohms, which ensures proper signal transfer and minimizes data loss during transmission.

Source: Home Cinema Guide

Audio Format

The digital audio format transmitted over a digital coaxial connection is known as S/PDIF (Sony/Philips Digital Interface Format). This format supports the transmission of both uncompressed PCM (Pulse Code Modulation) audio and compressed surround sound formats such as Dolby Digital.

Source: What Hi-Fi?

Compatibility

Digital coaxial input is commonly found in older TVs and audio components like CD and Blu-ray players. It is also widely used in professional audio recording and editing setups. However, it is important to note that newer audio devices may feature other audio connection options, such as digital optical or HDMI.

Source: Home Cinema Guide

Conversion

Digital coaxial input can be converted to and from other digital audio connections, such as digital optical or stereo analog, using adapters or converters. This flexibility allows users to connect devices with different audio connection options and ensures compatibility between various audio systems.



Source: What Hi-Fi?

In conclusion, digital coaxial input is a versatile audio connection that enables the transmission of digital audio signals between devices. Its specific cable type, support for various audio formats, and compatibility with older equipment make it a valuable option in audio setups. With the availability of adapters and converters, users can easily integrate digital coaxial input into their audio systems and enjoy high-quality digital audio playback.

Sources:
Sony Support
Home Cinema Guide
What Hi-Fi?

FAQs

What is a digital coaxial input?

A digital coaxial input is an audio connection that utilizes a coaxial cable with RCA-type connectors to transmit digital audio signals between devices.

What type of cable is used for digital coaxial input?



The digital coaxial cable used for this connection is designed to handle the wider frequency bandwidth of the digital audio bitstream. It typically has an impedance of 75 ohms for proper signal transfer.

What audio format is transmitted through digital coaxial input?

The digital audio format transmitted over a digital coaxial connection is S/PDIF (Sony/Philips Digital Interface Format). This format supports uncompressed PCM audio and compressed surround sound formats like Dolby Digital.

Where can you find digital coaxial input?

Digital coaxial input is commonly found in older TVs and audio components like CD and Blu-ray players. It is also used in professional audio recording and editing setups.

Can digital coaxial input be converted to other audio connections?

Yes, digital coaxial input can be converted to and from other digital audio connections, such as digital optical or stereo analog, using adapters or converters.

What are the advantages of using digital coaxial input?



Using digital coaxial input allows for the transmission of high-quality digital audio signals, supports various audio formats, and is compatible with a wide range of audio devices.

Is digital coaxial input still relevant in modern audio setups?

While newer audio devices may offer alternative connection options like digital optical or HDMI, digital coaxial input remains relevant, especially in setups with older equipment or specific professional audio requirements.

Are there any limitations to using digital coaxial input?



One limitation of digital coaxial input is that it may not support high-quality surround sound formats like Dolby TrueHD or DTS-HD Master Audio. Additionally, the potential transfer of electrical noise through the cable can affect sound quality.