Kita tundhuk Xiaomi Mix Fold 2 menyang suite tes audio SBMARK sing ketat kanggo ngukur kinerja nalika ngrekam swara nggunakake mikrofon sing dibangun, lan nalika muter audio liwat speaker.

Ing review iki, kita bakal nganalisa cara nindakake ing macem-macem tes lan sawetara kasus panggunaan umum.

Ringkesan


Spesifikasi audio utama kalebu:

  • Telung speaker (loro ing sisih ngisor nalika mbukak, siji ing layar ngarep nalika lempitan)
  • Ora ana output jack audio
  • teknologi Dolby Atmos

Reproduksi

Pros

  • Serangan sing cetha lan pukulan sing apik ing kabeh level volume
  • Cenderung muni luwih apik ing volume sing luwih dhuwur

marang

  • Kuciwo kinerja spasial kanggo foldable
  • artefak liyane saka samesthine
  • kinerja tonal kuciwo

Registration

Pros

  • Kinerja dinamis sing apik
  • Umume bebas saka artefak audio sing ora dikarepake

marang

  • Ora ana kemampuan zoom audio.
  • Imbangan nada bisa luwih apik ing sawetara aplikasi

With a SBMARK audio score of 121, the Xiaomi Mix Fold 2 performed decent overall in our tests compared to the smartphone market as a whole. However, the results started to look a little less impressive when you consider the Mix Fold 2’s large size in its unfolded state and its hefty price tag. Overall, Xiaomi’s latest foldable is somewhat of a missed opportunity in terms of the physical implementation of speakers and microphones, as well as audio tuning.

As a playback device, the Mix Fold 2 worked best when listening to music, but it was also a decent option for gaming and watching movies, thanks to sharp attack and good punch across the board of volume. Overall playback quality was pretty poor for a device at the higher end of the Ultra-Premium price range. The same could be said for the recording, but on the bright side, most of the audio recordings remained intelligible in windy conditions and were fairly free of artifacts.

Ringkesan nyoba

Sinau babagan tes audio SBMARK: Kanggo menehi skor lan analisis ing review audio smartphone kita, insinyur SBMARK nindakake seri tes objektif lan nindakake luwih saka 20 jam evaluasi persepsi ing kahanan laboratorium sing dikontrol.
(Kanggo rincian liyane babagan protokol puter maneh, klik kene; kanggo rincian liyane babagan protokol rekaman, klik kene.)

Bagean ing ngisor iki nglumpukake unsur-unsur utama tes lan analisa ekstensif sing ditindakake ing laboratorium SBMARK. Evaluasi kinerja sing rinci ing wangun laporan kasedhiya yen dijaluk. Aja ragu-ragu kanggo hubungi kita.

Carane skor puter maneh audio dumadi

Insinyur SBMARK nguji puter maneh liwat speaker smartphone, kinerja sing dievaluasi ing laboratorium lan ing kahanan nyata, nggunakake aplikasi lan setelan prasetel.

When using the Mix Fold 2 as a playback device, it delivered average tonal performance in our tests. Tonal balance was disappointing overall, with a focus on the top end but also a lack of brightness in the upper treble. At the same time, the bass was insufficient, despite the artificial boost. Dynamics were pretty good overall, thanks to very crisp attack across all volume levels, decent bass accuracy, and good punch.

The Xiaomi scored decently in the space category, but given the device’s large size when unfolded, our testers expected much more. When held in portrait orientation, the Mix Fold 2 offered no stereo audio. The width of the rendered soundstage was decent in landscape orientation, but again the results seemed less impressive considering the device’s large size. The localizability of individual sound sources in the scene was quite good, but voices sounded too far away most of the time.

Our audio experts found the maximum volume to be average and the minimum volume too low for good intelligibility of quiet content. However, the volume steps were consistent from the lowest level to the highest. We encountered a number of unwanted audio artifacts during our testing, including compression and distortion at all volume levels. With the device unfolded, it was also virtually impossible not to cover the left and right speakers with your hands.

Rungokake babagan kinerja puter maneh smartphone sing diuji ing perbandingan iki karo sawetara pesaing:

Rekaman smartphone muter sawetara lagu kita ing 60 LAeq ing lingkungan anechoic liwat 2 mikropon ing konfigurasi AB, ing 30 cm

Mangkene kepiye regane Xiaomi Mix Fold 2 ing kasus panggunaan puter maneh dibandhingake karo pesaing:

Puter maneh skor kasus panggunaan

Skor Timbre nggambarake carane telpon ngasilake swara ing jangkoan tonal sing bisa dirungokake lan njupuk bass, mids, treble, keseimbangan tonal, lan ketergantungan volume. Iki minangka atribut sing paling penting kanggo reproduksi.

Respon frekuensi saka reproduksi musik

Grafik respon frekuensi 1/12-oktaf, sing ngukur banter saben frekuensi sing dipancarake dening smartphone sampeyan amarga ngasilake gelombang sinus murni ing lingkungan anechoic.

Skor Dinamika ngukur akurasi owah-owahan ing tingkat energi sumber swara, kayata carane akurat not bass utawa impact swara drum diputer.

Atribut sekunder kanggo tes spasial kalebu nemtokake lokasi swara tartamtu, keseimbangan posisi, jarak, lan amplitudo.

Skor volume nuduhake volume sakabèhé saka smartphone lan carane lancar volume mundhak lan suda adhedhasar input pangguna.

Ing ngisor iki sawetara tingkat tekanan swara (SPL) sing diukur nalika muter rekaman sampel musik hip-hop lan musik klasik kanthi volume maksimal:

hip hop Klasik
Xiaomi Mix Fold 2 72.2 dBA 67.9 dBA
Samsung Galaxy Z Melu4 71.1 dBA 67.3 dBA
Apple iPhone 14 Pro Max 74 dBA 71.1 dBA

Grafik ing ngisor iki nuduhake owah-owahan bertahap ing volume saka minimal nganti maksimal. Kita ngarepake owah-owahan iki konsisten ing jangkoan, supaya kabeh langkah volume cocog karo pangarepan pangguna:

Konsistensi volume musik

Grafik garis iki nuduhake banter relatif saka puter maneh lawan langkah volume sing dipilih pangguna, diukur ing sawetara langkah volume kanthi swara jambon sing ana hubungane ing kothak anechoic sing direkam 0.20 meter ing sumbu.

Skor artefak ngukur tingkat sing kena pengaruh swara saka macem-macem jinis distorsi. Sing luwih dhuwur skor, gangguan swara kurang katon. Distorsi bisa kedadeyan amarga pangolahan swara ing piranti lan kualitas speaker.

Puter maneh Distorsi Harmonik Total (volume maksimal)

Grafik iki nuduhake total distorsi harmonik lan swara ing sawetara frekuensi swara.
Iki nggambarake distorsi lan swara piranti sing muter sinyal tes kita (0 dB Fs, Sweep Sine ing kothak anechoic ing 40cm) kanthi volume maksimal piranti.

Carane skor rekaman audio disusun

Insinyur SBMARK nguji rekaman kanthi ngevaluasi file sing direkam ing peralatan audio referensi. Rekaman kasebut digawe ing laboratorium lan ing kahanan nyata, nggunakake aplikasi lan setelan gawan.

When recording, the Xiaomi delivered decent tonal performance overall, but our experts found the tonal balance lacked top-end range and brightness when recording with the main and selfie cameras. When recording at high SPLs, for example, concerts, the tonal balance was subtly rendered, with a significant lack of bass and bass extension. In terms of dynamics, the device offered an average signal-to-noise ratio. The envelope was quite accurate but overall sounded slightly flat.

Sound scene recording breadth was good with the main camera, but noticeably smaller with the selfie camera and memo app. Distance rendering was realistic and locateability was good across all use cases, resulting in overall average spatial performance. Volume performance was good in all use cases, and in our recording tests, the Mix Fold 2 was virtually free of unwanted artifacts aside from some bass distortion and pumping at high SPLs. The rendering of the background was quite natural.

Mangkene kepiye regane Xiaomi Mix Fold 2 nalika ngrekam kasus panggunaan dibandhingake karo pesaing:

Gunakake skor kasus

Timbre Score nggambarake carane telpon njupuk swara ing jangkoan tonal sing bisa dirungokake lan njupuk imbangan bass, mids, treble, lan tonal. Iku atribut paling penting kanggo registrasi.

nanggepi frekuensi video urip

Grafik respon frekuensi 1/12-oktaf, sing ngukur banter saben frekuensi sing dijupuk dening smartphone nalika ngrekam gelombang sinus murni ing lingkungan anechoic.

Skor Dinamika ngukur akurasi owah-owahan ing tingkat energi sumber swara, kayata carane akurat plosives ing swara (p, t, k, contone) diprodhuksi maneh. Skor kasebut uga nimbang rasio signal-to-noise (SNR), kayata sepira banter swara utama dibandhingake karo swara latar mburi.

Atribut sekunder kanggo testing spasial kalebu nemokake lokasi swara tartamtu, imbangan posisi, jarak, lan amplitudo ing file audio sing direkam.

Directness saka registrasi

Grafik directivity smartphone nalika ngrekam sinyal tes nggunakake aplikasi kamera, kanthi kamera utama. Iki nggambarake energi akustik (ing dB) ing sudut kedadeyan sumber swara. (Normal menyang sudut 0 °, ing ngarep piranti.)

Skor banter nuduhake sepira banter audio dinormalisasi ing file sing direkam lan keprigelan piranti nangani lingkungan sing rame, kayata konser elektronik, nalika ngrekam.

Ing ngisor iki tingkat swara sing direkam ing file audio lan video, diukur ing LUFS (Loudness Unit Full Scale); kanggo referensi, kita ngarepake tingkat volume ing ndhuwur -24 LUFS kanggo konten sing direkam:

Encounter Video urip Video selfie Memorandum
Xiaomi Mix Fold 2 -25.3 LUFS -22.8 LUFS -19.7 LUFS -20.8 LUFS
Samsung Galaxy Z Melu4 -25.8 LUFS -21.6 LUFS -22.7 LUFS -21 LUFS
Apple iPhone 14 Pro Max -26 LUFS -22.9 LUFS -19.2 LUFS -19.6 LUFS

Skor Artefak ngukur tingkat swara sing direkam kena pengaruh macem-macem jinis distorsi. Sing luwih dhuwur skor, gangguan swara kurang katon. Distorsi bisa kedadeyan amarga pangolahan swara ing piranti lan kualitas mikropon, uga penanganan pangguna, kayata cara nyekeli telpon.

Ing perbandingan audio iki, sampeyan bisa krungu carane smartphone iki nangani swara angin dibandhingake saingan:

matriks(3) {
[“Xiaomi Mix Fold 2”] => string(64) “resources/Xiaomi/MixFold2/XiaomiMIXFold2_MicrophoneArtifacts.m4a”
[“Samsung Galaxy Z Fold4”] => string(69) “resources/Xiaomi/MixFold2/SamsungGalaxyZFold4_MicrophoneArtifacts.m4a”
[“Apple iPhone 14 Pro Max”]=> string(69) “resources/Xiaomi/MixFold2/AppleiPhone14ProMax_MicrophoneArtifacts.m4a” }

Rekaman sampel swara kanthi swara latar mburi sing rada sumilir, ngadhepi angin turbulen 5 m/s

Latar mburi ngevaluasi carane lancar macem-macem swara ing saubengé campuran swara menyang file rekaman video. Contone, nalika ngrekam pidato ing acara, latar mburi ngirim ora ngganggu vokal utama, nanging kudu nyedhiyakake konteks lingkungan sampeyan.

Ayo ngobrol babagan "test Xiaomi Mix Fold 2 Audio" karo komunitas kita!
Miwiti Utas anyar

Philip Owell

Blogger profesional, kene nggawa konten anyar lan menarik saben sampeyan ngunjungi blog kita.