Test dźwięku Xiaomi 13T

Poddaliśmy Xiaomi 13T naszemu rygorystycznemu zestawowi testów SBMARK Audio, aby zmierzyć jego wydajność zarówno podczas nagrywania dźwięku za pomocą wbudowanych mikrofonów, jak i odtwarzania dźwięku przez głośniki.
W tej recenzji omówimy jego działanie w różnych testach i kilku typowych przypadkach użycia.

Przegląd

Kluczowe specyfikacje audio obejmują:

• Dwa głośniki (górny przód, dolny bok)
• Brak wyjścia audio Jack
• Technologia Dolby Atmos

Odtwarzanie

Rejestracja

The Xiaomi 13T delivered average performance for its class in the SBMARK Audio tests, and was overall on par with its predecessor Xiaomi 12T. The audio playback experience was mostly decent but unremarkable. The built-in speakers provided good dynamic performance, even at high volume levels, and unwanted audio artifacts were well under control. Overall, playback results were better when watching movies and slightly worse when listening to music and gaming.

When recording, the microphones pick up a lot of upper treble harshness, which may tire your ears. Recordings often sounded harsh and overly compressed, especially at high volumes. As a recording device, the 13T worked best with the memo app and in the office. The scores with selfie and main camera were slightly lower.

Podsumowanie testu

Informacje o testach audio SBMARK: W celu oceny i analizy w naszych recenzjach audio smartfonów inżynierowie SBMARK przeprowadzają serię obiektywnych testów i przeprowadzają ponad 20 godzin oceny percepcyjnej w kontrolowanych warunkach laboratoryjnych.
(Aby uzyskać więcej informacji na temat naszego protokołu odtwarzania, kliknij tutaj; aby uzyskać więcej informacji na temat naszego protokołu nagrywania, kliknij tutaj.)
The following section compiles key elements of our comprehensive testing and analysis performed in SBMARK laboratories. Detailed performance evaluations in the form of reports are available upon request. Do not hesitate to contact us.

Playback performance was average overall, with decent tonal balance. Treble presence was correct, but the treble sounded slightly thin and resonant. The midrange lacked warmth, and while the bass presence generally made up for the insufficient low-midrange, the upper bass was slightly fuzzy and the low-end extension wasn’t deep enough. Dynamic performance was good, with fairly crisp attack, proper bass accuracy, and decent power. The built-in speakers produce a medium-amplitude soundstage, and the image may appear slightly off-center in some use cases, such as gaming. As a result, the localizability of individual sound sources was not as good as it could have been, with limited accuracy. Distance rendering wasn’t particularly accurate either, with voices often sounding slightly distant. This also had a negative impact on depth rendering, as the distant foreground limited the separation of distinct planes in the virtual soundstage.

The distribution of volume steps was consistent, although the first volume step seemed slightly noisy. On the plus side, this ensures good intelligibility at minimum volume, even with highly dynamic content, such as classical music. The maximum volume was quite high. In normal use, very few unwanted artifacts were noticed, such as slight distortion and slight pumping at maximum volume. Our testers found that the bottom speaker could easily be blocked during gaming, but other than muting the right channel, this wasn’t detrimental to the audio experience.

Posłuchaj wydajności odtwarzania testowanego smartfona w porównaniu z niektórymi jego konkurentami:

Oto jak Xiaomi 13T radzi sobie z odtwarzaniem w porównaniu z konkurencją:

Oto kilka poziomów ciśnienia akustycznego (SPL) mierzonych podczas odtwarzania naszych przykładowych nagrań muzyki hip-hopowej i klasycznej przy maksymalnej głośności:

Poniższy wykres pokazuje stopniowe zmiany objętości od minimum do maksimum. Oczekujemy, że zmiany te będą spójne w całym asortymencie, tak aby wszystkie wzrosty wolumenów odpowiadały oczekiwaniom użytkowników:

The tonal performance during recording was good overall. Treble performance was satisfactory, despite a slight lack of treble extension. The midrange sounded pleasant but was slightly lacking in low-midrange compared to the sweeping highs. This resulted in a tonal balance that was a little too treble-focused. Dynamic performance was good, with accurate envelope rendering in most use cases, except at high sound pressure levels, such as at concerts, where compression had a negative impact. With background noise hiss in urban use cases, the signal-to-noise ratio was very inconsistent. In quieter environments there was still some hissing, but the signal-to-noise ratio was much better. Intelligibility remained consistent across all use cases.

The microphones captured a wide soundstage when using the memo app, but the width was slightly reduced with the selfie and main camera apps. Despite some occasional blurring, localizability was very good in all use cases and distance rendering was realistic. Although the recording volume was slightly higher than average, objective measurements showed problems when recording at high sound pressure levels, such as during noisy events. Artifact performance could have been better, with noticeable treble hiss in all apps except the Memo app. Our testers also noticed some pumping on louder content, as well as strong distortion. The underlying tonal balance was aggressive, mainly due to the sibilant upper treble. This produced a rather intrusive background sound, especially when recording in urban environments.

Oto jak Xiaomi 13T radzi sobie z nagrywaniem zastosowań w porównaniu z konkurencją:

Oto poziomy dźwięku zapisane w plikach audio i wideo, mierzone w LUFS (pełna skala jednostki głośności); Dla porównania, spodziewamy się, że poziomy głośności w przypadku nagranych treści będą przekraczać -24 LUFS:

W tym porównaniu audio można usłyszeć, jak ten smartfon radzi sobie z szumem wiatru w porównaniu do konkurentów:

macierz(3) {
[„Xiaomi 13T”]=> string(64) „zasoby/Xiaomi/Xiaomi13TV2.2/Xiaomi13T_MicrophoneArtifacts.m4a”
[„Nubia Redmagic 8 Pro”]=> string(72) „zasoby/Xiaomi/Xiaomi13TV2.2/NubiaRedmagic8Pro_MicrophoneArtifacts.m4a”
[„Google Pixel 8”]=> string(67) „resources/Xiaomi/Xiaomi13TV2.2/GooglePixel8_MicrophoneArtifacts.m4a” }