The Ascending Stairways
Meccan · 44 verses · Revelation order 79 · Mushaf order 70
ٮسم الله الرحمں الرحىم
Bismi Allâhi alrraḥmâni alrraḥeemi
سال ساىل ٮعداٮ واٯع
Saala sâilun biʿaẕâbin wâqiʿin
للكڡرىں لىس له داڡع
Lilkâfireena laysa lahu dâfiʿun
مں الله دى المعارح
Mina Allâhi ẕee almaʿâriji
ٮعرح الملىكه والروح الىه ڡى ىوم كاں مٯداره حمسىں الڡ سںه
Taʿruju almalâikatu waalrrooḥu ilayhi fee yawmin kâna miqdâruhu khamseena alfa sanatin
ڡاصٮر صٮرا حمىلا
Faiṣbir ṣabran jameelân
اںهم ىروںه ٮعىدا
Innahum yarawnahu baʿeedân
وںرىه ٯرىٮا
Wanarâhu qareebân
ىوم ٮكوں السما كالمهل
Yawma takoonu alssamâo kaalmuhli
وٮكوں الحٮال كالعهں
Watakoonu aljibâlu kaalʿihni
ولا ىسل حمىم حمىما
Walâ yasalu ḥameemun ḥameemân
ىٮصروںهم ىود المحرم لو ىڡٮدى مں عداٮ ىومىد ٮٮںىه
Yubaṣṣaroonahum yawaddu almujrimu law yaftadee min ʿaẕâbi yawmiiẕin bibaneehi
وصحٮٮه واحىه
Waṣâḥibatihi waakheehi
وڡصىلٮه الٮى ٮوىه
Wafaṣeelatihi allatee tuweehi
ومں ڡى الارص حمىعا ٮم ىںحىه
Waman fee alarḍi jameeʿan thumma yunjeehi
كلا اںها لطى
Kallâ innahâ laẓâ
ںراعه للسوى
Nazzâʿatan lilshshawâ
ٮدعوا مں ادٮر وٮولى
Tadʿoo man adbara watawallâ
وحمع ڡاوعى
Wajamaʿa faawʿâ
اں الاںسں حلٯ هلوعا
Inna alinsâna khuliqa halooʿân
ادا مسه السر حروعا
Iẕâ massahu alshsharru jazooʿân
وادا مسه الحىر مںوعا
Waiẕâ massahu alkhayru manooʿân
الا المصلىں
Illâ almuṣalleena
الدىں هم على صلاٮهم داىموں
Allaẕeena hum ʿalâ ṣalâtihim dâimoona
والدىں ڡى امولهم حٯ معلوم
Waallaẕeena fee amwâlihim ḥaqqun maʿloomun
للساىل والمحروم
Lilssâili waalmaḥroomi
والدىں ىصدٯوں ٮىوم الدىں
Waallaẕeena yuṣaddiqoona biyawmi alddeeni
والدىں هم مں عداٮ رٮهم مسڡٯوں
Waallaẕeena hum min ʿaẕâbi rabbihim mushfiqoona
اں عداٮ رٮهم عىر ماموں
Inna ʿaẕâba rabbihim ghayru mamoonin
والدىں هم لڡروحهم حڡطوں
Waallaẕeena hum lifuroojihim ḥâfiẓoona
الا على اروحهم او ما ملكٮ اىمںهم ڡاںهم عىر ملومىں
Illâ ʿalâ azwâjihim aw mâ malakat aymânuhum fainnahum ghayru maloomeena
ڡمں اٮٮعى ورا دلك ڡاولىك هم العادوں
Famani ibtaghâ warâa ẕâlika faolâika humu alʿâdoona
والدىں هم لامںٮهم وعهدهم رعوں
Waallaẕeena hum liamânâtihim waʿahdihim râʿoona
والدىں هم ٮسهدٮهم ٯاىموں
Waallaẕeena hum bishahâdâtihim qâimoona
والدىں هم على صلاٮهم ىحاڡطوں
Waallaẕeena hum ʿalâ ṣalâtihim yuḥâfiẓoona
اولىك ڡى حںٮ مكرموں
Olâika fee jannâtin mukramoona
ڡمال الدىں كڡروا ٯٮلك مهطعىں
Famâli allaẕeena kafaroo qibalaka muhṭiʿeena
عں الىمىں وعں السمال عرىں
ʿani alyameeni waʿani alshshimâli ʿizeena
اىطمع كل امرى مںهم اں ىدحل حںه ںعىم
Ayaṭmaʿu kullu imriin minhum an yudkhala jannata naʿeemin
كلا اںا حلٯںهم مما ىعلموں
Kallâ innâ khalaqnâhum mimmâ yaʿlamoona
ڡلا اٯسم ٮرٮ المسرٯ والمعرٮ اںا لٯدروں
Falâ oqsimu birabbi almashâriqi waalmaghâribi innâ laqâdiroona
على اں ںٮدل حىرا مںهم وما ںحں ٮمسٮوٯىں
ʿalâ an nubaddila khayran minhum wamâ naḥnu bimasbooqeena
ڡدرهم ىحوصوا وىلعٮوا حٮى ىلٯوا ىومهم الدى ىوعدوں
Faẕarhum yakhooḍoo wayalʿaboo ḥattâ yulâqoo yawmahumu allaẕee yooʿadoona
ىوم ىحرحوں مں الاحداٮ سراعا كاںهم الى ںصٮ ىوڡصوں
Yawma yakhrujoona mina alajdâthi sirâʿan kaannahum ilâ nuṣubin yoofiḍoona
حسعه اٮصرهم ٮرهٯهم دله دلك الىوم الدى كاںوا ىوعدوں
Khâshiʿatan abṣâruhum tarhaquhum ẕillatun ẕâlika alyawmu allaẕee kânoo yooʿadoona
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 | 132 | 1 | Envelope | 1024 |
| ب | 30 | 2 | Envelope | 1024 |
| ج | 15 | 3 | Envelope | 768 |
| د | 19 | 4 | Envelope | 1024 |
| ه | 57 | 5 | Envelope | 640 |
| و | 83 | 6 | Envelope | 768 |
| ز | 4 | 7 | Envelope | 896 |
| ح | 10 | 8 | Envelope | 1024 |
| ط | 2 | 9 | Envelope | 1152 |
| ي | 93 | 10 | Envelope | 640 |
| ك | 20 | 20 | Envelope | 640 |
| ل | 96 | 30 | Envelope | 960 |
| م | 98 | 40 | Envelope | 640 |
| ن | 80 | 50 | Envelope | 800 |
| س | 14 | 60 | Envelope | 960 |
| ع | 38 | 70 | Envelope | 1120 |
| ف | 23 | 80 | Envelope | 640 |
| ص | 11 | 90 | Envelope | 720 |
| ق | 16 | 100 | Carrier | 800 |
| ر | 37 | 200 | Carrier | 800 |
| ش | 7 | 300 | Carrier | 600 |
| ت | 19 | 400 | Carrier | 800 |
| ث | 2 | 500 | Carrier | 1000 |
| خ | 10 | 600 | Carrier | 600 |
| ذ | 23 | 700 | Carrier | 700 |
| ض | 3 | 800 | Carrier | 800 |
| ظ | 3 | 900 | Carrier | 900 |
| غ | 4 | 1000 | Carrier | 1000 |
| Total abjad value of the verse | 70582 | |||
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.