The Announcement
Meccan · 40 verses · Revelation order 80 · Mushaf order 78
بِسْمِ ٱللَّهِ ٱلرَّحْمَٰنِ ٱلرَّحِيمِ
Bismi Allâhi alrraḥmâni alrraḥeemi
عَمَّ يَتَسَآءَلُونَ
ʿamma yatasâaloona
عَنِ ٱلنَّبَإِ ٱلْعَظِيمِ
ʿani alnnabai alʿaẓeemi
ٱلَّذِى هُمْ فِيهِ مُخْتَلِفُونَ
Allaẕee hum feehi mukhtalifoona
كَلَّا سَيَعْلَمُونَ
Kallâ sayaʿlamoona
ثُمَّ كَلَّا سَيَعْلَمُونَ
Thumma kallâ sayaʿlamoona
أَلَمْ نَجْعَلِ ٱلْأَرْضَ مِهَٰدًا
Alam najʿali alarḍa mihâdân
وَٱلْجِبَالَ أَوْتَادًا
Waaljibâla awtâdân
وَخَلَقْنَٰكُمْ أَزْوَٰجًا
Wakhalaqnâkum azwâjân
وَجَعَلْنَا نَوْمَكُمْ سُبَاتًا
Wajaʿalnâ nawmakum subâtân
وَجَعَلْنَا ٱلَّيْلَ لِبَاسًا
Wajaʿalnâ allayla libâsân
وَجَعَلْنَا ٱلنَّهَارَ مَعَاشًا
Wajaʿalnâ alnnahâra maʿâshân
وَبَنَيْنَا فَوْقَكُمْ سَبْعًا شِدَادًا
Wabanaynâ fawqakum sabʿan shidâdân
وَجَعَلْنَا سِرَاجًا وَهَّاجًا
Wajaʿalnâ sirâjan wahhâjân
وَأَنزَلْنَا مِنَ ٱلْمُعْصِرَٰتِ مَآءً ثَجَّاجًا
Waanzalnâ mina almuʿṣirâti mâan thajjâjân
لِّنُخْرِجَ بِهِۦ حَبًّا وَنَبَاتًا
Linukhrija bihi ḥabban wanabâtân
وَجَنَّٰتٍ أَلْفَافًا
Wajannâtin alfâfân
إِنَّ يَوْمَ ٱلْفَصْلِ كَانَ مِيقَٰتًا
Inna yawma alfaṣli kâna meeqâtân
يَوْمَ يُنفَخُ فِى ٱلصُّورِ فَتَأْتُونَ أَفْوَاجًا
Yawma yunfakhu fee alṣṣoori fatatoona afwâjân
وَفُتِحَتِ ٱلسَّمَآءُ فَكَانَتْ أَبْوَٰبًا
Wafutiḥati alssamâo fakânat abwâbân
وَسُيِّرَتِ ٱلْجِبَالُ فَكَانَتْ سَرَابًا
Wasuyyirati aljibâlu fakânat sarâbân
إِنَّ جَهَنَّمَ كَانَتْ مِرْصَادًا
Inna jahannama kânat mirṣâdân
لِّلطَّٰغِينَ مَـَٔابًا
Lilṭṭâgheena maâbân
لَّٰبِثِينَ فِيهَآ أَحْقَابًا
Lâbitheena feehâ aḥqâbân
لَّا يَذُوقُونَ فِيهَا بَرْدًا وَلَا شَرَابًا
Lâ yaẕooqoona feehâ bardan walâ sharâbân
إِلَّا حَمِيمًا وَغَسَّاقًا
Illâ ḥameeman waghassâqân
جَزَآءً وِفَاقًا
Jazâan wifâqân
إِنَّهُمْ كَانُوا۟ لَا يَرْجُونَ حِسَابًا
Innahum kânoo lâ yarjoona ḥisâbân
وَكَذَّبُوا۟ بِـَٔايَٰتِنَا كِذَّابًا
Wakaẕẕaboo biâyâtinâ kiẕẕâbân
وَكُلَّ شَىْءٍ أَحْصَيْنَٰهُ كِتَٰبًا
Wakulla shayin aḥṣaynâhu kitâbân
فَذُوقُوا۟ فَلَن نَّزِيدَكُمْ إِلَّا عَذَابًا
Faẕooqoo falan nazeedakum illâ ʿaẕâbân
إِنَّ لِلْمُتَّقِينَ مَفَازًا
Inna lilmuttaqeena mafâzân
حَدَآئِقَ وَأَعْنَٰبًا
Ḥadâiqa waaʿnâbân
وَكَوَاعِبَ أَتْرَابًا
Wakawâʿiba atrâbân
وَكَأْسًا دِهَاقًا
Wakasan dihâqân
لَّا يَسْمَعُونَ فِيهَا لَغْوًا وَلَا كِذَّٰبًا
Lâ yasmaʿoona feehâ laghwan walâ kiẕẕâbân
جَزَآءً مِّن رَّبِّكَ عَطَآءً حِسَابًا
Jazâan min rabbika ʿaṭâan ḥisâbân
رَّبِّ ٱلسَّمَٰوَٰتِ وَٱلْأَرْضِ وَمَا بَيْنَهُمَا ٱلرَّحْمَٰنِ لَا يَمْلِكُونَ مِنْهُ خِطَابًا
Rabbi alssamâwâti waalarḍi wamâ baynahumâ alrraḥmâni lâ yamlikoona minhu khiṭâbân
يَوْمَ يَقُومُ ٱلرُّوحُ وَٱلْمَلَٰٓئِكَةُ صَفًّا لَّا يَتَكَلَّمُونَ إِلَّا مَنْ أَذِنَ لَهُ ٱلرَّحْمَٰنُ وَقَالَ صَوَابًا
Yawma yaqoomu alrrooḥu waalmalâikatu ṣaffan lâ yatakallamoona illâ man aẕina lahu alrraḥmânu waqâla ṣawâbân
ذَٰلِكَ ٱلْيَوْمُ ٱلْحَقُّ فَمَن شَآءَ ٱتَّخَذَ إِلَىٰ رَبِّهِۦ مَـَٔابًا
Ẕâlika alyawmu alḥaqqu faman shâa ittakhaẕa ilâ rabbihi maâbân
إِنَّآ أَنذَرْنَٰكُمْ عَذَابًا قَرِيبًا يَوْمَ يَنظُرُ ٱلْمَرْءُ مَا قَدَّمَتْ يَدَاهُ وَيَقُولُ ٱلْكَافِرُ يَٰلَيْتَنِى كُنتُ تُرَٰبًۢا
Innâ anẕarnâkum ʿaẕâban qareeban yawma yanẓuru almaro mâ qaddamat yadâhu wayaqoolu alkâfiru yâ laytanee kuntu turâbân
Frequency
Sound generated from the letter values (abjad) of the text; independent of recitation.
Bar height = weight (count); position = frequency (logarithmic)
Options
Letter table
| Letter | Count | Hz | Band | Folded Hz |
|---|---|---|---|---|
| ا | 183 | 1 | Envelope | 1024 |
| ب | 39 | 2 | Envelope | 1024 |
| ج | 19 | 3 | Envelope | 768 |
| د | 11 | 4 | Envelope | 1024 |
| ه | 19 | 5 | Envelope | 640 |
| و | 61 | 6 | Envelope | 768 |
| ز | 6 | 7 | Envelope | 896 |
| ح | 12 | 8 | Envelope | 1024 |
| ط | 3 | 9 | Envelope | 1152 |
| ي | 45 | 10 | Envelope | 640 |
| ك | 26 | 20 | Envelope | 640 |
| ل | 70 | 30 | Envelope | 960 |
| م | 52 | 40 | Envelope | 640 |
| ن | 61 | 50 | Envelope | 800 |
| س | 16 | 60 | Envelope | 960 |
| ع | 19 | 70 | Envelope | 1120 |
| ف | 23 | 80 | Envelope | 640 |
| ص | 7 | 90 | Envelope | 720 |
| ق | 17 | 100 | Carrier | 800 |
| ر | 26 | 200 | Carrier | 800 |
| ش | 5 | 300 | Carrier | 600 |
| ت | 27 | 400 | Carrier | 800 |
| ث | 3 | 500 | Carrier | 1000 |
| خ | 6 | 600 | Carrier | 600 |
| ذ | 12 | 700 | Carrier | 700 |
| ض | 2 | 800 | Carrier | 800 |
| ظ | 2 | 900 | Carrier | 900 |
| غ | 3 | 1000 | Carrier | 1000 |
| Total abjad value of the verse | 53048 | |||
The total is shown as a number only; it is not part of the sound. The sound comes entirely from the letters.
Measurement charts
Charts fill while sound is playing.
Envelope spectrum — measured, 0.24 Hz resolution
Wave spectrum — measured (1–1200 Hz, logarithmic)
Variation spectrum — periodicities of the letter sequence
Position = period length (letters, logarithmic); height = power. Label: letters/period and its Hz at the chosen k.
How it works
Derived from letter values only, independent of recitation. Below 100 Hz: envelope modulation · 100 Hz and above: carrier tone; in a verse with no letter above 100 Hz the letters themselves carry, octave-folded. Sound is generated live in the browser; no file.
Sequential: in recitation order, each verse's own frequency profile (its carriers and envelope) plays one after another; verse duration is proportional to its letter count and the playing verse is marked in the list.
Flow: the letter sequence as one phase-continuous wave; each letter lasts k full periods of its own frequency (intrinsic duration = Σ 1/value). In the folded mode the per-letter tempo is fixed.
At surah level too the sound comes from letters only; in Sequential mode each verse plays with its own letters, in order.