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Comparison Pioneer PD-30AE vs Pioneer PD-30

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Pioneer PD-30AE
Pioneer PD-30
Pioneer PD-30AEPioneer PD-30
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Featureshomehome
Design
Disc loadfrontalfrontal
Communications
Playback
CD-Audio
 
 
CD-Audio
SACD
DVD
Audio formats supportAAC, MP4
Interfaces
USB (type A)
IPhone/iPad connection
USB (type A)
IPhone/iPad connection
Tech specs
DAC sample rate192 kHz
DAC bit depth24 bit
Frequency range4 – 20000 Hz
2 – 50000 Hz /SACD/
Signal to noise ratio107 dB117 dB
Dynamic range100 dB
108 dB /SACD/
Harmonic distortion0.0029 %0.002 %
Connection
Outputs
Coaxial S/P-DIF
Optical
On headphones
Control output (IR)
Coaxial S/P-DIF
Optical
 
Control output (IR)
RCA1 pair(s)1 pair(s)
General
Power consumption12 W37 W
Remote control
Dimensions (WxDxH)435x298x103 mm435x329x128 mm
Weight5.3 kg5.6 kg
Color
Added to E-Catalogseptember 2017april 2015

Playback

Types of media, data formats and signal sources supported by the CD player.

CD-Audio. The standard used for recording traditional Audio CDs. The CD-Audio format provides a sampling frequency of 44.1 kHz, 16-bits bits depth and 2 stereo channels. The bitrate of such a recording is 1411.2 kbit/s, which allows for very high sound quality (for comparison: in the case of MP3 files, 320 kbit/s is considered very good, and for lossless recording in the FLAC format, 950 kbit/s is quite enough With). And the maximum total track length for a full-size disc is just under 80 minutes. Thanks to all this, Audio CDs do not lose popularity among audiophiles, and this format is supported by all modern CD players (which, in fact, explains the name of this class of equipment).

- MQA-CD. An audio format that uses MQA (Master Quality Authenticated) technology from the American company Meridian Audio for audio encoding. It allows you to preserve the original audio quality while compressing files and restoring them - in the case of standard CD media, MQA-CD provides sound that is as close as possible to high-quality audio formats.

- MP3/WMA. MP3 and WMA are the most popular audio file formats used in modern consumer electronics. They can be recorded on optical discs, USB drives, and built-in storage devices. At the same time, in audio equipment, including CD players, support for both of these sta...ndards is most often found, and in terms of key features and sound quality they are similar - which is why MP3 and WMA in this case are combined in one point. Of the mentioned features, it is worth noting, first of all, that when encoding sound, these standards use the so-called. lossy compression: individual parts of the audio stream are transmitted with reduced accuracy, or even drowned out altogether. Thanks to this, the files are small in size; and the trimmed parts are selected in such a way that the impact on the overall sound quality is minimal, and when listening on ordinary household audio equipment (such as computer speakers or a portable player), the loss of quality is practically unnoticeable. But on Hi-Fi and Hi-End audio systems (and CD players are precisely designed for such systems), the difference in sound can be clearly audible, although here a lot depends on the subjective characteristics of the listener.

- SACD. The Super Audio CD format is a further development and improvement of the “regular” CD-Audio described above. Thanks to the use of new technologies, the number of audio channels available for one track has increased to 6 (which makes it possible to record not only stereo, but also multi-channel 5.1 audio on SACD), and the sampling frequency has increased to 2822.4 kHz (64 times higher than on Audio CD). In addition, sound can be recorded with different parameters - for example, part of the disc in 5.1, part in stereo 2.0. On such a disc, with several recording zones, the maximum sound duration reaches 109 minutes, and if there is only one recording zone - 180 minutes. It is worth considering that the SACD format itself cannot be read by conventional CD drives. And although “hybrid” SACD media, compatible with conventional CD drives, have become quite widespread, all the capabilities of this format can only be realized on a compatible player.

- DVD. An optical disc format that replaced CDs. In the case of CD players, support for this format usually implies the ability to play sound recorded using the DVD-Audio standard. This standard provides a bits depth of up to 24 bits, a sampling frequency of up to 192 kHz and the ability to work with 6 audio channels (5.1, except for recording at the maximum sampling frequency). And models with DVD drives that support MP3/WMA can usually read these files from DVDs. The capacity of a standard single-sided DVD is 4.7 GB, there are double-sided and double-layer media; and the duration of DVD-Audio recording depends not only on the type of disc, but also on the sound quality.

- AM/FM radio. The ability to use a CD player to receive AM and FM radio broadcasts in analog format (support for digital broadcasting is indicated separately - see below). The FM band allows you to transmit stereo sound in fairly good quality; True, the transmission range is limited by line of sight, but this is quite enough to cover even a fairly large city. Because of this, this standard is used by the vast majority of urban music stations. AM, in turn, has a much greater range, but is inferior in sound quality and does not support stereo broadcasts. Therefore, most of these stations are “talk”, and the standard itself is much less popular than FM - to the point that some models of CD players can only be equipped with FM tuners, without AM support (but not vice versa).

- DAB radio. Possibility of using a CD player to receive DAB digital radio broadcasts. The practical advantages of digital radio broadcasting over analogue include good range and high sound quality, due, in particular, to the almost complete absence of interference: the sound is either heard clearly and cleanly, or disappears altogether. In addition to the original DAB, the improved DAB+ standard is on the market; “plus” tuners are capable of receiving “regular” DAB broadcasts, but not vice versa. In any case, it is worth considering that in the CIS countries this type of radio broadcasting is still only in its infancy and has not yet become widespread. Therefore, before buying a CD player with a digital tuner, it doesn’t hurt to make sure that such broadcasting is available in your region (or at least planned to be launched in the near future) - otherwise you may overpay for unnecessary equipment.

— Network streaming audio. The ability to play network streaming audio with a CD player - in other words, playing music directly from the Internet, from specialized services like Last.FM or Grooveshark. The name “streaming” is due to the fact that during playback there is a stream of data through the network connection, which is converted by the player into sound; Simply put, each file is played directly from the network, there is no need to download it to local storage like a flash drive. And the main difference between such sound and Internet radio (see below) is that in this case the customer controls the playback. Essentially, working with streaming audio is similar to working with a regular player, except that the content being played is not in the player itself, but on a network resource. This feature by definition requires a connection to computer networks; Most often, a Wi-Fi module (see “Interfaces”) or a LAN connector is used for this purpose.

— Internet radio. The ability to use a CD player to receive and play Internet radio broadcasts. This feature is similar in many ways to the network audio described above - in particular, it requires a network connection to work, and the data is transmitted in streaming format; however, here the broadcast is similar to regular radio broadcasts and is controlled not by the customer, but by the radio station staff. In fact, many large stations broadcast their programs not only on traditional airwaves, but also via the Internet; There are also specialized projects that broadcast only on the Internet. In general, the choice of Internet programs is much wider than for conventional radio broadcasting - after all, such radio has no range restrictions. And the players themselves may provide additional tools for managing such broadcasting - for example, catalogs, search by genre, language, etc.

Audio formats support

The audio file formats that the player can handle. This list includes popular formats MP3, WMA, AAC, OGG, WAV, FLAC, but is not exhaustive.

MP3. The most famous of modern digital audio formats; supported by almost all devices. Provides so-called. lossy compression, where some of the audio frequencies are lost. However, during compression, the sound is processed in such a way that it "disappears" mainly frequencies, the loss of which is imperceptible to the human ear.

WMA. An audio format that was once specially created for the Windows operating system. The default is lossy compression. WMA is especially suitable for low bitrates, under such conditions it provides better quality than MP3 and takes up less space. On the other hand, in high-quality digital audio, this format is much less popular.

WAV. Another popular audio standard, originally developed for storing sound on a PC. It can technically be used to store audio in a variety of formats, but is most commonly used for uncompressed audio. Due to this, the sound quality can be quite high, and its processing does not require special computing power. The downside of this is the large volume of audio files — many times more than MP3s.

AAC. A format d...eveloped as a potential successor to MP3. Also provides lossy compression (see above), but allows you to achieve better quality with the same file size; this difference is especially noticeable at low bitrates. Actively promoted by Apple; nevertheless, it is noticeably inferior to MP3 in terms of prevalence.

OGG. A lossy compressed digital audio format is one potential alternative to MP3. One of the key features of OGG is that as audio is encoded, the bitrate is constantly changing; at the same time, on fragments where there is no sound, the bitrate drops to almost zero (unlike MP3, where the data stream is constant, including in sections of complete silence). This allows you to achieve small file sizes while maintaining sound quality. Also note that the OGG format is open and not limited by patents.

FLAC. One of the formats that uses lossless audio compression. With this compression, all the details of the original sound are preserved, so lossless formats are especially appreciated by sophisticated music lovers and audiophiles. The reverse side of this quality is large volumes of files. Specifically, FLAC is perhaps the most common of today's lossless formats. This is largely due to the fact that this standard is not particularly demanding on the processing power of the player. Thanks to this, its support can be implemented even in relatively simple and inexpensive players (unlike another popular format — APE, see below). On the other hand, FLAC files are larger than APE files.

A.P.E. One of the popular lossless audio compression formats. Compared to another common standard — FLAC (see above) — APE allows you to achieve smaller file sizes with the same quality. On the other hand, to play such files, electronics with a fairly high processing power are required, so APE compatibility is relatively rare in compact players.

This list

DAC sample rate

Sampling frequency of a digital-to-analogue converter (DAC) installed in a CD player.

A DAC is an indispensable element of any system designed to reproduce digital sound. Such a converter is an electronic module that translates sound information into analogue pulses fed to speakers through amplification stages. The technical features of such a conversion are such that the higher the sampling rate, the better the signal at the output of the DAC, the less it is distorted during conversion. And in the case of CD players, this indicator must also be no lower than the sampling rate of the reproduced digital sound — otherwise the device simply will not be able to "digest" digital data from the media. So, an indicator of 92 – 96 kHz allows you to listen to CD-Audio (sampling frequency 44.1 kHz), but for DVD you need at least 192 kHz. In the most advanced DACs, the sampling rate can be 384 kHz. The latter, however, is rare: in most cases, high frequency is not critical, and such electronics are expensive.

DAC bit depth

Another indicator that determines the overall quality of the digital-to-analogue audio signal converter. For details on the converter, see "DAC Sampling Rate"; here we note that the bit depth is standardly expressed in bits, and the higher it is, the more accurately the signal at the output of the DAC corresponds to the original signal and the less distortion is introduced into it. In the case of CD players, 24 bits is considered the minimum necessary and at the same time quite sufficient; higher values — 32 bits — are rare, only in premium-level equipment.

Frequency range

The range of audio frequencies that a CD player can reproduce. In general, this parameter determines how full the output bandwidth is, whether too high or too low sound is cut off. However, it is worth noting here that the human ear is able to perceive sound only within the range of 16 – 20,000 Hz (deviations from the upper threshold in different directions are possible, but small, and it decreases with age). All modern CD players cover this range, therefore, in the case of such devices, the sound frequency indicators are reference and practically do not affect the sound. And impressive numbers like 2 – 40,000 Hz, 5 – 60,000 Hz, etc. — this is a kind of "side effect" of the design of a high-quality device; manufacturers use these numbers for marketing purposes, but again, they do not affect sound quality. Also, do not forget that actually audible frequencies are also limited by the characteristics of the speaker system, external amplifier and other equipment connected to the CD player. For example, speakers with a lower frequency range of 150 Hz will “cut off” all lower frequencies, and it doesn’t matter what the lowest bass the player can produce is 16 Hz, 20 Hz or 50 Hz.

Signal to noise ratio

The ratio between the level of the useful signal and the level of extraneous noise at the output of the player.

This indicator describes the total amount of extraneous noise (of any origin) that affects the sound quality: the higher the signal-to-noise ratio, the less such noise and the clearer the sound, which is especially important for Hi-Fi and Hi-End systems. The minimum indicator for CD players is 85 – 90 dB, indicators up to 100 dB can be considered good, up to 110 dB — good, more than 110 dB — excellent.

Dynamic range

The dynamic range of a CD player.

Technically, dynamic range is the logarithm of the ratio between the maximum input signal at which the level of distortion is low enough (tolerable) and the sensitivity of the amplifier. In a simplified way, this parameter can be described as the difference between the minimum and maximum sound levels that the device is capable of reproducing with high quality. The higher the dynamic range value, the better the device handles with sound that has significant volume differences, such as orchestral parts.

Note that when playing different sound standards (see "Playback"), the dynamic range of the player will also be different — for example, for SACD its value is usually much higher than for Audio CD. CD players typically list the highest value that gives the best impression of the device's performance. However, manufacturers often specify for which type of digital audio the dynamic range data is given.

Harmonic distortion

The coefficient of harmonic distortion (harmonics) output by the CD player.

This parameter, along with the signal-to-noise ratio described above, characterizes the overall sound quality of the player. It is calculated by dividing the total sum of harmonics by the value of the main signal at a reproduced sound frequency of 1 kHz, and is expressed as a percentage. Significant levels of harmonics lead to deterioration in sound — from a general feeling of "roughness" and "excessive density" of the sound to the appearance of clearly audible noise; accordingly, the lower the harmonic distortion, the better. In relatively inexpensive CD players, this figure is measured in tenths of a percent, in top models it may not exceed several thousandths of a percent.

Outputs

Outputs provided in the design of the CD player (in addition to analogue connectors for connecting general-purpose acoustics — they are described in separate paragraphs below).

Coaxial S / P-DIF. Interface for transmitting sound in digital format. Allows you to work with multi-channel audio up to 7.1 format inclusive. Technically an electrical variation of S/P-DIF; differs from the optical variety described below, on the one hand, by greater sensitivity to electromagnetic interference, and on the other hand, by a less delicate connecting cable. Note that this interface uses RCA connectors and a coaxial cable (hence the name). However, unlike "regular" analogue RCA (see below), in this case, all audio channels are transmitted over a single cable, and the cable itself must be shielded — when connected through a regular wire, there is a high probability of distortion due to external interference.

Optical. A modification of the S/P-DIF standard (see above), which involves signal transmission via a TOSLINK fiber optic cable. Being identical to the coaxial interface in terms of audio transmission capabilities, the optical connection is at the same time completely immune to electromagnetic interference, which makes it possible to achieve extremely high signal fidelity. The disadvantage of this connection is the fragility of the cable — it does not allow sharp bends and strong pressure, whic...h can damage the fiber.

— Balanced digital (AES/EBU). The AES / EBU standard itself can use different connection interfaces, however, XLR connectors are usually used in audio equipment. However, unlike the "regular" XLR output (see below), this interface transmits audio in digital format, not analogue. A common feature of these standards is a balanced connection, which provides noise suppression due to the characteristics of the cable itself, has a positive effect on sound quality and at the same time allows the use of fairly long wires. AES/EBU is considered a professional interface; such an output can be useful, for example, for connecting a CD player to a high-end external amplifier.

— Trigger. A service output used to turn on other components of the audio system (for example, an amplifier) at the same time as a CD player. When the player is turned on, this output sends a signal to the input of the controlled device and wakes it up, saving the user from having to press extra buttons. This is especially useful if the device being controlled is located in a hard-to-reach place.

— Headphones. Output for connecting conventional audio headphones. There is no single standard for such a connector, however, the vast majority of both players and “ears” use one of the varieties of the Jack type connector — full-size 6.35 mm or mini-Jack 3.5 mm. At the same time, in stationary audio equipment, including CD players, the full-size version is quite common, but 3.5 mm plugs are very popular in headphones — they can be connected both to the “native” jack and to the 6.35 mm jack, through a simple adapter (many models even come with adapters. Anyway, the ability to listen to music through headphones will be useful in cases where loud sounds are undesirable — for example, at a late time when others are sleeping, or if there is a small child in the house.

— Subwoofer. Separate output for connecting an active subwoofer — a specialized low-frequency speaker with its own built-in amplifier. The need to use subwoofers is due to the fact that general-purpose speakers do not cope well with low frequencies, as well as some acoustic features of these frequencies. And a dedicated output for such a speaker greatly simplifies the connection: this output is supplied with a filtered low-frequency signal, so you can do without crossovers and other external equipment (the only exception is a passive subwoofer, which will require an external amplifier for this connection).

— Control output (IR). Auxiliary output used in remote control systems. With this connector, the CD player's built-in IR receiver can be used to control other audio system components from the remote control, such as an amplifier in another room, out of range of the remote control. In fact, the player in such cases plays the role of a remote sensor, receiving commands and transmitting them through the control output to another device. Note that the very presence of control inputs and outputs does not guarantee the compatibility of various devices, especially if they are produced by different manufacturers; the nuances of sharing should be clarified according to the official documentation.

— BNC. By itself, BNC is a type of connector related to coaxial; similar in size to RCA, but differs in internal dimensions and mounting features. In CD players, a connector with such an output can be used both for outputting digital sound, similar to coaxial SP-DIF, and for working with special equipment for synchronizing digital sound pulses. The specific use case should be specified separately, there are both at once. Note that in the second case, the BNC output is responsible for switching the synchronization signals received by the CD player from an external clock generator to other devices in the audio system. For more information about synchronization, see "Inputs — BNC".

— Power output. This output is a power connector installed directly on the body of the player. From such a connector, you can power another component of the audio system — for example, an external amplifier or active acoustics; in some cases, this may be more convenient than connecting such components to the network separately. Please note that power plugs are usually different from standard 230 V sockets and are not compatible with plugs for such sockets.
Pioneer PD-30AE often compared
Pioneer PD-30 often compared