08Other connections

About PQLS rate control

Pioneer's PQLS (Precision Quartz Lock System) technology provides high-precision digital audio from DVD-A, SACD and audio CD sources when you use the i.LINK interface. A precision quartz controller in this receiver eliminates distortion caused by timing errors (jitter), giving you the best possible digital-to-analog conversion from the digital source.

To take advantage of PQLS, you must have a player compatible with rate-control, and it must be switched on and connected to this receiver through the i.LINK network.

Creating an i.LINK network

Using i.LINK it is possible to chain up to 17 components together so that the digital audio and control signals from each component is available to other components in the network. With the addition of an i.LINK repeater, it’s possible to connect up to 63 components.

i.LINK connectors come in 4-pin and 6-pin configura- tions. This player uses the 4-pin connection, but the two types can be mixed on a network.

This receiver is compatible with i.LINK Audio (A&M protocol) components, such as DVD players. Note that when connected to i.LINK MPEG-II TS equipment (such as a digital satellite tuner), i.LINK DV equipment (such as a DVD recorder or DV camcorder), or an i.LINK-equipped personal computer, audio and video signals are not transmitted, and connecting to these devices sometimes causes network interruptions. Check the operating instructions supplied with your other i.LINK components for compatibility information.

This receiver is DTCP (Digital Transmission Content Protection) compliant, so you can play DVD-A, DVD- Video, and SACD i.LINK audio.

When setting up an i.LINK network, it’s important that the components form an open ended chain (fig. 1), or a tree (fig. 2).

fig. 1

i.LINK cable

 

The system will not work if the connected components form a loop. If a loop is detected, the message LOOP CONNECT shows in the display. Figs. 3 and 4 show connections that form a loop.

fig. 3

i.LINK cable

 

fig. 4

i.LINK cable

 

Another consideration when connecting i.LINK devices is the speed of the interface. At present there are three speeds; S100 (slowest), S200 and S400 (fastest). This receiver uses the S400 type. Although you can use components with different speeds together, we recommend connecting slower-speed components at the edge of the network if possible (shown by the shaded boxes in figs. 1 and 2). This will keep the network free of bottlenecks.

When used within an i.LINK network, this receiver must be on for the i.LINK connection to be maintained. Other components in the network may or may not maintain the connection in standby (none will when the power is completely off)—check the operating instructions supplied with individual components. Note that the audio may be momentarily interrupted if a component in the i.LINK network is switched on/off, or its i.LINK connection is switched on/off.

This product complies with the following i.LINK interface specifications:

1)IEEE Std. 1394a-2000, Standard for a High Performance Serial Bus

2)Audio and Music Data Transmission Protocol 2.0 Following the standard for AM824 sequence adaptation layers, the product is compatible with IEC60958 bitstream, DVD-A and SACD.

fig. 2

i.LINK cable

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Pioneer VSX-AX2AV-G, VSX-AX4AVi-G manual About Pqls rate control, Creating an i.LINK network
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VSX-AX4AVi-G, VSX-AX2AV-G specifications

The Pioneer VSX-AX4AVi-G and VSX-AX2AV-G are two impressive receivers that exemplify Pioneer’s commitment to high-fidelity audio performance and advanced home theater technology. Both models cater to audio enthusiasts and casual listeners alike with their robust feature sets and innovative technologies.

The VSX-AX4AVi-G is a flagship model that boasts a powerful 7.1 channel surround sound system, delivering an immersive audio experience. With 130 watts per channel, it ensures that even the most demanding soundtracks are reproduced with clarity and strength. Supporting various surround sound formats, including Dolby TrueHD and DTS-HD Master Audio, the receiver creates a cinema-like experience at home. The inclusion of Pioneer's proprietary MCACC (Multi-Channel Acoustic Calibration System) enables automatic speaker setup and calibration, optimizing audio quality based on the specific characteristics of the room.

In contrast, the VSX-AX2AV-G is designed for those seeking high-end audio without a plethora of features. While it also supports 7.1 channel playback, it focuses on delivering a more straightforward user experience. The AX2AV-G offers similar power output per channel, ensuring rich and full-bodied sound reproduction. Its straightforward user interface makes it accessible for users who want quality audio without the complexity.

Both models feature advanced video processing capabilities and support high-definition video formats. They can upscale standard-definition content to 1080p through HDMI, ensuring that users get the best quality possible from their video sources. The HDMI connectivity allows for multiple input sources and supports 4K video resolution, making both receivers future-proof for evolving home theater setups.

In terms of connectivity, the VSX-AX4AVi-G and VSX-AX2AV-G offer a wide range of inputs and outputs, including multiple HDMI ports, component video inputs, and composite connections, accommodating various devices such as Blu-ray players, gaming consoles, and streaming devices. The receivers also feature advanced digital signal processing, enhancing sound quality and making music playback more enjoyable.

Additionally, these receivers come equipped with a range of audio enhancement features such as Phase Control and Advanced Sound Retriever, which help to improve audio playback by enhancing high frequencies and restoring lost details, especially when streaming compressed audio formats.

In summary, the Pioneer VSX-AX4AVi-G and VSX-AX2AV-G represent two excellent options in the receiver market. With their combined focus on high-quality audio, advanced video processing, and user-friendly operation, they provide an ideal solution for anyone looking to enhance their home entertainment experience.
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