First, Dolby Digital Plus (DD)
In September 2004, the Blue-ray Disc Alliance (BDA) approved Dolby Digital Plus as a mandatory encoding scheme. In October 2004, Dolby demonstrated its next-generation multi-channel encoding format, Dolby Digital Plus, for the first time at the 117th AES in San Francisco, USA. AES is one of the two major exhibitions of the world music industry, which is the same as NAMM. It is also the world's largest product exhibition and technology exchange event focusing on music technology.
According to Dolby's engineers, Dolby Digital Plus (DD) starts with 7.1 channels, and the sampling rate is expanded from the original Dolby Digital's 96-640 kbps to 32 kbps-6 Mbps, which means that DD will be used more widely. DD can be applied to digital surrounds that require a “no distortion†level, which is a significant improvement over the surround sound quality of today's DVDs. DD can be applied to lower quality digital surrounds. Due to the re-optimized encoding/decoding standard of Dolby Digital Plus (DD), the DD's 32 kbps sampling standard sound can achieve the same sound quality of the current DD 96kbps.
Although DD is based on 7.1 channels, the general standard is developed for digital surrounds of up to 13.1 channels. It is said to be based on the digital cinema specification (D-CINEMA), which means that the surround sound of DD is no longer Like the current "multi-channel sounding in one plane" mode, it also provides a vertical ground, "directional to ceiling" azimuth enhancement horn, by adding these azimuth enhancement horns, the entire surround sound field evolved from "plane" To "three-dimensional", the sound effect will be divided into upper and lower parts; and the space-enhanced speaker can be 1 or 2 or even more.
The standard for digital cinema (D-CINEMA) is a maximum of 16 channels of audio, of which 2 are "Audio Disabled Use Channels" and 1 is "Visual Disabled Use Channels", so DD is based on 13.1 surround sound. DD Because of the large data traffic, S/PDIF or optical fiber is no longer used for digital transmission. Instead, HDMI or IEEE 1394 is used as the digital transmission interface.
According to industry estimates, the AV amplifier supporting Dolby Digital Plus (DD) will be launched in late 2006.
Second, the next generation of pure audio digital discs still use MLP LosslessTM
MLP was first British hi-fi company Meridian (Meridian) technology developed by Dolby after the acquisition and further development of this technology, official name for the MLP Lossless â„¢. Multi-channel DVD-Audio's core audio technology, which enables content providers to record multi-channel 24Bit/96KHz surround-encoded recordings or 24-bit/192KHz stereo-encoded recordings on DVD discs. Restoring MLP LosslessTM encoded records will reach the studio level; there is no signal loss during the encoding/decoding process. This makes it possible for packaged media to deliver the most realistic, highest fidelity sound.
MLP LosslessTM reproduces every detail of the original recording, including the various elements that were previously lost or blocked in the CD playback. Because MLP LosslessTM delivers the highest audio fidelity without sacrificing image quality or video bitrate, it is the perfect companion for Dolby Digital Plus. With MLP LosslessTM technology, the audio standard, consumers can enjoy the highest level of audio fidelity and the highest quality concert recordings on HD DVD to enjoy their favorite music.
MLP LosslessTM will also be used in the next generation of pure audio coded discs with HD DVD and Blue-ray Disc as the carrier, but the corresponding technology will be improved - pure audio HD DVD and Blue-ray Disc from the original 9.6 Mbps The amount of data has been increased to 18 Mbps, and the number of channels has been increased from the previous 6ch to 8ch.
Third, DTS HD
As another digital surround mode adopted by the next-generation optical disc HD DVD and Blue-ray Disc, DTS HD is compatible with network download content interactivity in addition to higher sound quality and more channels.
According to DTS's introduction: DTS HD also starts from 7.1 channels, supports high bit ratios of 1.5 Mbps or higher, sampling frequency is 8-192 kHz (16/24 bit), and DTS 768 kbps compression used in ordinary DVDs. Compared to technology, the sound quality of DTS HD will be greatly improved.
DTS said: "DTS HD data traffic can be flexibly converted according to the required sound quality. With exclusive lossless compression technology, DTS compression is smaller than its competitors and loses less information, so the details are more abundant. Higher quality sound recording with a maximum 32 channel surround output."
DTS HD is more backward compatible, and DTS uses the core "plus" technology, which means that no matter how much the technology is updated, it can achieve perfect backward compatibility. The DTS HD-encoded video disc can be decoded by the AV amplifier with DTS function, and can also be decoded by the conventional DTS-capable AV amplifier, but some of the newly added functions are missing, making the DTS HD technology more compatible.
DTS HD supports up to 32 digital surround sound recordings, providing a broader expansion direction for future surround systems. But similarly, because of the large data traffic, S/PDIF or optical fiber is no longer used for digital transmission, but HDMI or IEEE 1394 is used as the digital transmission interface.
First, Dolby Digital Plus (DD)
In September 2004, the Blue-ray Disc Alliance (BDA) approved Dolby Digital Plus as a mandatory encoding scheme. In October 2004, Dolby demonstrated its next-generation multi-channel encoding format, Dolby Digital Plus, for the first time at the 117th AES in San Francisco, USA. AES is one of the two major exhibitions of the world music industry, which is the same as NAMM. It is also the world's largest product exhibition and technology exchange event focusing on music technology.
According to Dolby's engineers, Dolby Digital Plus (DD) starts with 7.1 channels, and the sampling rate is expanded from the original Dolby Digital's 96-640 kbps to 32 kbps-6 Mbps, which means that DD will be used more widely. DD can be applied to digital surrounds that require a “no distortion†level, which is a significant improvement over the surround sound quality of today's DVDs. DD can be applied to lower quality digital surrounds. Due to the re-optimized encoding/decoding standard of Dolby Digital Plus (DD), the DD's 32 kbps sampling standard sound can achieve the same sound quality of the current DD 96kbps.
Although DD is based on 7.1 channels, the general standard is developed for digital surrounds of up to 13.1 channels. It is said to be based on the digital cinema specification (D-CINEMA), which means that the surround sound of DD is no longer Like the current "multi-channel sounding in one plane" mode, it also provides a vertical ground, "directional to ceiling" azimuth enhancement horn, by adding these azimuth enhancement horns, the entire surround sound field evolved from "plane" To "three-dimensional", the sound effect will be divided into upper and lower parts; and the space-enhanced speaker can be 1 or 2 or even more.
The standard for digital cinema (D-CINEMA) is a maximum of 16 channels of audio, of which 2 are "Audio Disabled Use Channels" and 1 is "Visual Disabled Use Channels", so DD is based on 13.1 surround sound. DD Because of the large data traffic, S/PDIF or optical fiber is no longer used for digital transmission. Instead, HDMI or IEEE 1394 is used as the digital transmission interface.
According to industry estimates, the AV amplifier supporting Dolby Digital Plus (DD) will be launched in late 2006.
Second, the next generation of pure audio digital discs still use MLP LosslessTM
MLP was first British hi-fi company Meridian (Meridian) technology developed by Dolby after the acquisition and further development of this technology, official name for the MLP Lossless â„¢. Multi-channel DVD-Audio's core audio technology, which enables content providers to record multi-channel 24Bit/96KHz surround-encoded recordings or 24-bit/192KHz stereo-encoded recordings on DVD discs. Restoring MLP LosslessTM encoded records will reach the studio level; there is no signal loss during the encoding/decoding process. This makes it possible for packaged media to deliver the most realistic, highest fidelity sound.
MLP LosslessTM reproduces every detail of the original recording, including the various elements that were previously lost or blocked in the CD playback. Because MLP LosslessTM delivers the highest audio fidelity without sacrificing image quality or video bitrate, it is the perfect companion for Dolby Digital Plus. With MLP LosslessTM technology, the audio standard, consumers can enjoy the highest level of audio fidelity and the highest quality concert recordings on HD DVD to enjoy their favorite music.
MLP LosslessTM will also be used in the next generation of pure audio coded discs with HD DVD and Blue-ray Disc as the carrier, but the corresponding technology will be improved - pure audio HD DVD and Blue-ray Disc from the original 9.6 Mbps The amount of data has been increased to 18 Mbps, and the number of channels has been increased from the previous 6ch to 8ch.
Third, DTS HD
As another digital surround mode adopted by the next-generation optical disc HD DVD and Blue-ray Disc, DTS HD is compatible with network download content interactivity in addition to higher sound quality and more channels.
According to DTS's introduction: DTS HD also starts from 7.1 channels, supports high bit ratios of 1.5 Mbps or higher, sampling frequency is 8-192 kHz (16/24 bit), and DTS 768 kbps compression used in ordinary DVDs. Compared to technology, the sound quality of DTS HD will be greatly improved.
DTS said: "DTS HD data traffic can be flexibly converted according to the required sound quality. With exclusive lossless compression technology, DTS compression is smaller than its competitors and loses less information, so the details are more abundant. Higher quality sound recording with a maximum 32 channel surround output."
DTS HD is more backward compatible, and DTS uses the core "plus" technology, which means that no matter how much the technology is updated, it can achieve perfect backward compatibility. The DTS HD-encoded video disc can be decoded by the AV amplifier with DTS function, and can also be decoded by the conventional DTS-capable AV amplifier, but some of the newly added functions are missing, making the DTS HD technology more compatible.
DTS HD supports up to 32 digital surround sound recordings, providing a broader expansion direction for future surround systems. But similarly, because of the large data traffic, S/PDIF or optical fiber is no longer used for digital transmission, but HDMI or IEEE 1394 is used as the digital transmission interface.
First, Dolby Digital Plus (DD)
In September 2004, the Blue-ray Disc Alliance (BDA) approved Dolby Digital Plus as a mandatory encoding scheme. In October 2004, Dolby demonstrated its next-generation multi-channel encoding format, Dolby Digital Plus, for the first time at the 117th AES in San Francisco, USA. AES is one of the two major exhibitions of the world music industry, which is the same as NAMM. It is also the world's largest product exhibition and technology exchange event focusing on music technology.
According to Dolby's engineers, Dolby Digital Plus (DD) starts with 7.1 channels, and the sampling rate is expanded from the original Dolby Digital's 96-640 kbps to 32 kbps-6 Mbps, which means that DD will be used more widely. DD can be applied to digital surrounds that require a “no distortion†level, which is a significant improvement over the surround sound quality of today's DVDs. DD can be applied to lower quality digital surrounds. Due to the re-optimized encoding/decoding standard of Dolby Digital Plus (DD), the DD's 32 kbps sampling standard sound can achieve the same sound quality of the current DD 96kbps.
Although DD is based on 7.1 channels, the general standard is developed for digital surrounds of up to 13.1 channels. It is said to be based on the digital cinema specification (D-CINEMA), which means that the surround sound of DD is no longer Like the current "multi-channel sounding in one plane" mode, it also provides a vertical ground, "directional to ceiling" azimuth enhancement horn, by adding these azimuth enhancement horns, the entire surround sound field evolved from "plane" To "three-dimensional", the sound effect will be divided into upper and lower parts; and the space-enhanced speaker can be 1 or 2 or even more.
The standard for digital cinema (D-CINEMA) is a maximum of 16 channels of audio, of which 2 are "Audio Disabled Use Channels" and 1 is "Visual Disabled Use Channels", so DD is based on 13.1 surround sound. DD Because of the large data traffic, S/PDIF or optical fiber is no longer used for digital transmission. Instead, HDMI or IEEE 1394 is used as the digital transmission interface.
According to industry estimates, the AV amplifier supporting Dolby Digital Plus (DD) will be launched in late 2006.
Second, the next generation of pure audio digital discs still use MLP LosslessTM
MLP was first British hi-fi company Meridian (Meridian) technology developed by Dolby after the acquisition and further development of this technology, official name for the MLP Lossless â„¢. Multi-channel DVD-Audio's core audio technology, which enables content providers to record multi-channel 24Bit/96KHz surround-encoded recordings or 24-bit/192KHz stereo-encoded recordings on DVD discs. Restoring MLP LosslessTM encoded records will reach the studio level; there is no signal loss during the encoding/decoding process. This makes it possible for packaged media to deliver the most realistic, highest fidelity sound.
MLP LosslessTM reproduces every detail of the original recording, including the various elements that were previously lost or blocked in the CD playback. Because MLP LosslessTM delivers the highest audio fidelity without sacrificing image quality or video bitrate, it is the perfect companion for Dolby Digital Plus. With MLP LosslessTM technology, the audio standard, consumers can enjoy the highest level of audio fidelity and the highest quality concert recordings on HD DVD to enjoy their favorite music.
MLP LosslessTM will also be used in the next generation of pure audio coded discs with HD DVD and Blue-ray Disc as the carrier, but the corresponding technology will be improved - pure audio HD DVD and Blue-ray Disc from the original 9.6 Mbps The amount of data has been increased to 18 Mbps, and the number of channels has been increased from the previous 6ch to 8ch.
Third, DTS HD
As another digital surround mode adopted by the next-generation optical disc HD DVD and Blue-ray Disc, DTS HD is compatible with network download content interactivity in addition to higher sound quality and more channels.
According to DTS's introduction: DTS HD also starts from 7.1 channels, supports high bit ratios of 1.5 Mbps or higher, sampling frequency is 8-192 kHz (16/24 bit), and DTS 768 kbps compression used in ordinary DVDs. Compared to technology, the sound quality of DTS HD will be greatly improved.
DTS said: "DTS HD data traffic can be flexibly converted according to the required sound quality. With exclusive lossless compression technology, DTS compression is smaller than its competitors and loses less information, so the details are more abundant. Higher quality sound recording with a maximum 32 channel surround output."
DTS HD is more backward compatible, and DTS uses the core "plus" technology, which means that no matter how much the technology is updated, it can achieve perfect backward compatibility. The DTS HD-encoded video disc can be decoded by the AV amplifier with DTS function, and can also be decoded by the conventional DTS-capable AV amplifier, but some of the newly added functions are missing, making the DTS HD technology more compatible.
DTS HD supports up to 32 digital surround sound recordings, providing a broader expansion direction for future surround systems. But similarly, because of the large data traffic, S/PDIF or optical fiber is no longer used for digital transmission, but HDMI or IEEE 1394 is used as the digital transmission interface.
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