Yamaha RX-V3079 Owner's Manual download pdf (Page 174)

En 174

DTS-HD High Resolution Audio

DTS-HD High Resolution Audio is a compressed digital audio format developed by DTS, Inc. that supports

7.1-channel and 96 kHz/24-bit audio. DTS-HD High Resolution Audio remains fully compatible with the

existing multichannel audio systems that support DTS Digital Surround. This technology is used for audio on

BD (Blu-ray discs).

DTS-HD Master Audio

DTS-HD Master Audio is an advanced lossless audio format developed to offer a high-definition home

theater experience with the quality of the studio master by DTS, Inc. DTS-HD Master Audio can carry up to

eight channels of 96 kHz/24-bit audio (up to six channels of 192 kHz/24-bit audio) simultaneously. This

technology is used for audio on BD (Blu-ray discs).

DTS Neo:6

DTS Neo:6 enables 6-channel playback from 2-channel sources. There are two modes available: “Music

mode” for music sources and “Cinema mode” for movie sources. This technology provides discrete

full-bandwidth matrix channels of surround sound.

FLAC

FLAC is a file format for lossless audio data compression. FLAC is inferior to lossy compressed audio

formats in compression rate but provides higher audio quality.

MP3

One of the compressed digital audio format used by MPEG. With psychoacoustic technologies, this

compression method achieves a high compression rate. Reportedly, it is capable of compressing data

quantity by about 1/10 maintaining a certain level of audio quality.

MPEG-4 AAC

An MPEG-4 audio standard. It is used for mobile telephones, portable audio players, and audio streaming

services on Internet because it allows a high compression rate of data while maintaining better audio quality

than MP3.

PCM (Pulse Code Modulation)

PCM is a signal format under which an analog audio signal is digitized, recorded, and transmitted. This

technology is the basis of all other audio format. This technology is used as a lossless audio format called

Linear PCM for audio on a variety of media, including CDs and BD (Blu-ray discs).

Sampling frequency/Quantization bit

Sampling frequency and quantization bits indicate the quantity of information when an analog audio signal

is digitized. These values are noted as in the following example: “48 kHz/24-bit”.

• Sampling frequency

Sampling frequency (the number of times the signal is sampled per second) is called the sampling rate.

When the sampling frequency is higher, the range of frequencies that can be played back are wider.

• Quantization bit

The number of quantization bits indicate the degree of accuracy when converting the sound level into a

numeric value. When the number of quantized bits is higher, the expression of the sound level is more

accurate.

WAV

Windows standard audio file format, which defines the method of recording the digital data obtained by

converting audio signals. By default, the PCM method (no compression) is used, but you can also use other

compression methods.

WMA (Windows Media Audio)

One of the compressed digital audio formats developed by Microsoft Corporation. With psychoacoustic

technologies, this compression method achieves a high compression rate. Reportedly, it is capable of

compressing data quantity by about 1/20 maintaining a certain level of audio quality.

■ Others

Bi-amplification connection (Bi-amp)

A bi-amplification connection uses two amplifiers for a speaker. When you use the bi-amplification

connection, the unit drives the tweeter and woofer in a speaker with the discrete amplifiers. As a

consequence, the tweeter and woofer provide clear audio signal without the interference.

LFE (Low Frequency Effects) 0.1 channel

This channel reproduces low-frequency bass signals and has a frequency range from 20 Hz to 120 Hz. This

channel is added to the channels for all bands with Dolby Digital or DTS to enhance low frequency audio

effects. This channel is labeled 0.1 because it is limited to only low frequency audio.

Lip sync

Video output sometimes lags behind audio output due to the complexity of signal processing caused by an

increase in video signal capacity. Lip sync is a technique for automatically correcting the timing lag

between audio and video output.

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