Basic Operations—Continued

Using the Music Optimizer

The Music Optimizer function enhances the sound quality of compressed music files. Use it with music files that use “lossy” compression, such as MP3.

To turn the Music Optimizer “On” or “Off”, use the AV receiver’s [MUSIC OPTIMIZER] button (North American/Taiwan models only).

The setting is stored individually for each input selector.

Off: Music Optimizer off (default).

On: Music Optimizer on.

Tip:

This procedure can also be performed on the remote controller by using [AUDIO] button (see page 79).

Note:

The Music Optimizer function only works with PCM digital audio input signals with a sampling rate below 48 kHz and analog audio input signals. The Music Optimizer is disabled when the Direct or Pure Audio listening mode is selected.

Specifying the Digital Signal Format

The following table shows the display indicator for each digital signal format.

Format

Display

 

 

 

 

Dolby Digital

 

 

 

 

 

 

 

 

 

 

DTS

 

 

 

 

 

 

 

PCM

 

PCM

 

 

 

 

Normally, the AV receiver detects the format of digital input signals automatically. However, if you experience either of the following issues when playing PCM or DTS sources, you can specify the signal format manually.

•If the beginnings of tracks from a PCM source are cut off, try the PCM setting.

•If noise is produced when fast forwarding or rewinding a DTS CD, try the DTS setting.

•The setting is stored individually for each input selector.

RECEIVER

e, r

AUDIO

1

Press the [RECEIVER] button,

 

 

and then press and hold [AUDIO]

 

button for about 8 seconds.

2

While “Auto” is displayed (about

 

 

3 seconds), use the Left and

 

Right [e]/[r] buttons to select:

 

PCM, DTS, or Auto.

PCM:

Only 2-channel PCM format input signals will be heard. If the input signal is not PCM, the PCM indicator will flash and there will be no sound.

DTS:

Only DTS format input signals will be heard. If the input signal is not DTS, the DTS indicator will flash and there will be no sound.

Auto (default):

The format is detected automatically. If no digital input signal is present, the corresponding analog input is used instead.

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Onkyo TX-SR577, SR507 instruction manual Using the Music Optimizer, Specifying the Digital Signal Format
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SR507, TX-SR577 specifications

The Onkyo TX-SR577 and TX-SR507 are well-regarded A/V receivers that exemplify high-performance audio and video processing. Both models blend advanced technology with user-friendly operation, making them perfect for home theater enthusiasts.

The Onkyo TX-SR577 is particularly known for its 7.1 channel surround sound capability, which allows users to immerse themselves in rich audio environments. It supports various audio formats, including Dolby TrueHD and DTS-HD Master Audio, delivering high-resolution sound that is essential for a fully immersive experience. The unit is equipped with an impressive 100 watts per channel, providing ample power for spacious rooms and ensuring that audio remains crisp, even at higher volumes.

Another standout feature of the TX-SR577 is its inclusion of Onkyo's proprietary WRAT (Wide Range Amplifier Technology), which reduces distortion and enhances clarity. This technology, combined with high-current amplification, allows for exceptional dynamics and control over speakers, making it suitable for both music and movies.

On the video side, the TX-SR577 supports 1080p video pass-through, ensuring that HD content is transmitted with full fidelity. It also offers multiple HDMI inputs, making it easy to connect various high-definition devices, such as Blu-ray players, gaming consoles, and streaming devices.

The TX-SR507, while slightly lower in specifications, still delivers impressive audio performance with its 5.1 channel configuration. It is designed for users seeking a more straightforward setup without sacrificing sound quality. This receiver boasts a compact design, making it a good choice for smaller spaces.

Both models feature Onkyo's easy-to-use GUI, allowing for seamless navigation and control adjustments. They come equipped with various connectivity options, including HDMI, component, and composite video inputs. The inclusion of an AM/FM tuner also lets users enjoy their favorite radio stations without additional equipment.

In terms of user-friendly features, both models are compatible with Onkyo's unique AccuEQ technology for room calibration. This system analyzes the acoustics of your space and adjusts the audio output to ensure balanced sound throughout the room.

Overall, the Onkyo TX-SR577 and TX-SR507 stand out for their robust build quality, versatile input options, and superior sound performance, catering to a range of listening preferences and home theater setups. Whether it's for casual TV watching or hosting movie nights, these A/V receivers make a fantastic addition to any entertainment system.
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